{"pageNumber":"17","pageRowStart":"400","pageSize":"25","recordCount":165446,"records":[{"id":70273459,"text":"70273459 - 2026 - Tectonic implications of transitional melting regimes from petrological, geochronological, and compositional characterization of the ophiolitic Seventymile terrane, Alaska, USA","interactions":[],"lastModifiedDate":"2026-04-06T15:43:42.592143","indexId":"70273459","displayToPublicDate":"2026-01-06T08:06:52","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1820,"text":"Geosphere","active":true,"publicationSubtype":{"id":10}},"title":"Tectonic implications of transitional melting regimes from petrological, geochronological, and compositional characterization of the ophiolitic Seventymile terrane, Alaska, USA","docAbstract":"<p><span>New geochemical, U-Pb geochronology, and Sr-Nd-Hf isotope data provide evidence for the tectonic evolution of the Seventymile terrane in interior Alaska, USA. Ultramafic and mafic rocks of the Seventymile terrane are thought to represent components of a dismembered ophiolite and provide unique constraints on regional terrane evolution and accretion. The Seventymile ophiolite represents fragments of the Devonian to Permian Slide Mountain Ocean (SMO) that separated allochthonous and parautochthonous continental fragments of western North America. It now occurs as multiple thrust sheets containing Permian mafic and ultramafic rocks overlying and/or possibly imbricated with amphibolite-facies supracrustal rocks of allochthonous Yukon-Tanana terrane and parautochthonous North America. Seventymile klippen contain variably serpentinized peridotite, primarily harzburgite, low-grade meta-mafic rocks, and minor oceanic sedimentary rocks (argillite, chert, limestone, and metasandstone). Mafic rocks include gabbro to diabase, typically as dikes, veinlets, or rare massive stocks intruding peridotite. Mafic rocks also include greenstones of the Seventymile assemblage in klippen structurally underlying, and in shear zone contact with, ultramafic klippen.</span></p><p><span>New trace element and radiogenic isotope data from mafic magmatic rocks associated with the Seventymile ultramafic bodies show evidence for a weakly subduction-modified mantle source, like the mantle source of normal mid-ocean-ridge basalt (N-MORB) or back-arc basin basalt (BABB). Seventymile assemblage greenstones are more heterogeneous. They range from N-MORB to enriched mid-ocean-ridge basalt (E-MORB) and ocean-island basalt (OIB), with a subset of samples indicative of continental arc affinity. These geochemistry results indicate that distinct tectonic environments are represented by at least two, and possibly three, lithological and structural units comprising the Seventymile terrane. Hf-Nd isotope systematics are consistent with a depleted MORB mantle (DMM)−like component that overlaps with Pacific MORB. Primary zircon is rare, but new in situ U-Pb data for gabbro and greenstone indicate ca. 274−272 Ma peak zircon and titanite crystallization. Scattered younger zircons define a ca. 255 Ma zircon peak and correspond to secondary crystallization associated with baddeleyite reaction of high-Si fluids during low-grade metamorphism. If Seventymile suites are contemporaneous, obduction associated with the closure of the SMO resulted in the stacking of ophiolitic packages representing distinct tectonomagmatic settings across the transition from pericontinental, to epicontinental, to distal ocean back-arc. Intrusions hosted in klippe of ultramafic rocks, plus the least subduction-modified greenstones underlying them, geologically and compositionally resemble Slide Mountain rocks of the Campbell Range formation in eastern Yukon and may provide a new piercing point across the Tintina fault.</span></p>","language":"English","publisher":"GeoScienceWorld","doi":"10.1130/GES02837.1","usgsCitation":"Todd, E., Caine, J., Bizimis, M., Kylander-Clark, A.R., Hammond, R.R., and Wypych, A., 2026, Tectonic implications of transitional melting regimes from petrological, geochronological, and compositional characterization of the ophiolitic Seventymile terrane, Alaska, USA: Geosphere, v. 22, no. 2, p. 296-339, https://doi.org/10.1130/GES02837.1.","productDescription":"44 p.","startPage":"296","endPage":"339","ipdsId":"IP-170876","costCenters":[{"id":119,"text":"Alaska Science Center Geology Minerals","active":true,"usgs":true}],"links":[{"id":498608,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":498699,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1130/ges02837.1","text":"Publisher Index Page"}],"country":"Canada, United States","state":"Alaska, British Columbia","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -151.54814578278632,\n              64.49262655255515\n            ],\n            [\n              -151.54814578278632,\n              59.59805672240421\n            ],\n            [\n              -133.60437046462778,\n              59.59805672240421\n            ],\n            [\n              -133.60437046462778,\n              64.49262655255515\n            ],\n            [\n              -151.54814578278632,\n              64.49262655255515\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"22","issue":"2","noUsgsAuthors":false,"publicationDate":"2026-01-06","publicationStatus":"PW","contributors":{"authors":[{"text":"Todd, Erin 0000-0002-4871-9730 etodd@usgs.gov","orcid":"https://orcid.org/0000-0002-4871-9730","contributorId":202811,"corporation":false,"usgs":true,"family":"Todd","given":"Erin","email":"etodd@usgs.gov","affiliations":[{"id":119,"text":"Alaska Science Center Geology Minerals","active":true,"usgs":true}],"preferred":true,"id":953782,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Caine, Jonathan Saul 0000-0002-7269-6989 jscaine@usgs.gov","orcid":"https://orcid.org/0000-0002-7269-6989","contributorId":199295,"corporation":false,"usgs":true,"family":"Caine","given":"Jonathan Saul","email":"jscaine@usgs.gov","affiliations":[],"preferred":true,"id":953783,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bizimis, Michael","contributorId":192879,"corporation":false,"usgs":false,"family":"Bizimis","given":"Michael","email":"","affiliations":[],"preferred":false,"id":953784,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kylander-Clark, Andrew R.C. 0000-0002-4034-644X","orcid":"https://orcid.org/0000-0002-4034-644X","contributorId":302380,"corporation":false,"usgs":false,"family":"Kylander-Clark","given":"Andrew","middleInitial":"R.C.","affiliations":[{"id":36524,"text":"University of California, Santa Barbara","active":true,"usgs":false}],"preferred":false,"id":953785,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Hammond, Robert Reece","contributorId":365154,"corporation":false,"usgs":false,"family":"Hammond","given":"Robert","middleInitial":"Reece","affiliations":[{"id":37804,"text":"University of South Carolina","active":true,"usgs":false}],"preferred":false,"id":953786,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Wypych, Alicja","contributorId":216040,"corporation":false,"usgs":false,"family":"Wypych","given":"Alicja","email":"","affiliations":[{"id":39354,"text":"State of Alaska Department of Natural Resources DGGS Fairbanks","active":true,"usgs":false}],"preferred":false,"id":953787,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70273957,"text":"70273957 - 2026 - Selenium and mercury tissue partitioning and trophodynamics in the Lake Koocanusa (USA–Canada) fish community","interactions":[],"lastModifiedDate":"2026-02-19T15:44:10.021326","indexId":"70273957","displayToPublicDate":"2026-01-05T09:35:24","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1555,"text":"Environmental Pollution","active":true,"publicationSubtype":{"id":10}},"title":"Selenium and mercury tissue partitioning and trophodynamics in the Lake Koocanusa (USA–Canada) fish community","docAbstract":"<p><span>Mining-related contaminants such as selenium (Se) and mercury (Hg) accumulate in aquatic organisms and transfer through aquatic food webs, where they can exert toxic effect undermining the ecological health of aquatic resources. Yet, how Se and Hg co-distribute within food webs and within individual organisms remains poorly understood. We compiled muscle and ovary Se and Hg concentration data from fishes captured in Lake Koocanusa—a North American reservoir receiving elevated Se and Hg inputs from coal mining operations in the Elk River Valley, Canada—to provide insights into the co-processing of Se and Hg within fish and among fish species, including how ecological or seasonal factors shift these distribution patterns. Se and Hg concentrations (ranges: 0.21–38.7&nbsp;μg Se g</span><sup>−1</sup><span>&nbsp;dry weight and 0.01–0.84&nbsp;μg Hg g</span><sup>−1</sup><span>&nbsp;wet weight), as well as Se:Hg molar ratios, varied substantially between tissues and among species, reflecting biological and ecological differences. Our results suggest that the decoupling of Se or Hg deposition in fish muscle versus ovary may reflect different pathways of impairment, at the individual and population levels, and that interspecific and tissue-specific variability makes it challenging to set a universal Se:Hg threshold for the protection of aquatic organisms.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.envpol.2025.127623","usgsCitation":"Moldert, N., Dunnigan, J., Schmidt, T.S., Selch, T., Balmer, B., Moloney, M., and Brandt, J.E., 2026, Selenium and mercury tissue partitioning and trophodynamics in the Lake Koocanusa (USA–Canada) fish community: Environmental Pollution, v. 392, 127623, 12 p., https://doi.org/10.1016/j.envpol.2025.127623.","productDescription":"127623, 12 p.","ipdsId":"IP-172382","costCenters":[{"id":5050,"text":"WY-MT Water Science Center","active":true,"usgs":true}],"links":[{"id":501075,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.envpol.2025.127623","text":"Publisher Index Page"},{"id":500190,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Canada, United States","state":"British Columbia, Montana","otherGeospatial":"Lake Koocanusa","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -114.87342380887041,\n              49.64868164734935\n            ],\n            [\n              -115.6937097958162,\n              49.64868164734935\n            ],\n            [\n              -115.6937097958162,\n              48.26757981395437\n            ],\n            [\n              -114.87342380887041,\n              48.26757981395437\n            ],\n            [\n              -114.87342380887041,\n              49.64868164734935\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"392","noUsgsAuthors":false,"publicationDate":"2026-01-05","publicationStatus":"PW","contributors":{"authors":[{"text":"Moldert, Noelie","contributorId":366444,"corporation":false,"usgs":false,"family":"Moldert","given":"Noelie","affiliations":[{"id":36710,"text":"University of Connecticut","active":true,"usgs":false}],"preferred":false,"id":955917,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dunnigan, James L.","contributorId":336550,"corporation":false,"usgs":false,"family":"Dunnigan","given":"James L.","affiliations":[{"id":40948,"text":"Montana Fish Wildlife and Parks","active":true,"usgs":false}],"preferred":false,"id":955918,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Schmidt, Travis S. 0000-0003-1400-0637 tschmidt@usgs.gov","orcid":"https://orcid.org/0000-0003-1400-0637","contributorId":221742,"corporation":false,"usgs":true,"family":"Schmidt","given":"Travis","email":"tschmidt@usgs.gov","middleInitial":"S.","affiliations":[{"id":685,"text":"Wyoming-Montana Water Science Center","active":false,"usgs":true},{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":true,"id":955919,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Selch, Trevor M.","contributorId":270540,"corporation":false,"usgs":false,"family":"Selch","given":"Trevor M.","affiliations":[{"id":37431,"text":"Montana Fish, Wildlife and Parks","active":true,"usgs":false}],"preferred":false,"id":955920,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Balmer, Brian","contributorId":366450,"corporation":false,"usgs":false,"family":"Balmer","given":"Brian","affiliations":[{"id":6661,"text":"US Fish and Wildlife Service","active":true,"usgs":false}],"preferred":false,"id":955921,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Moloney, Molly A. 0000-0001-8241-8467","orcid":"https://orcid.org/0000-0001-8241-8467","contributorId":329672,"corporation":false,"usgs":true,"family":"Moloney","given":"Molly A.","affiliations":[{"id":685,"text":"Wyoming-Montana Water Science Center","active":false,"usgs":true}],"preferred":true,"id":955922,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Brandt, Jessica E.","contributorId":329987,"corporation":false,"usgs":false,"family":"Brandt","given":"Jessica","email":"","middleInitial":"E.","affiliations":[{"id":36710,"text":"University of Connecticut","active":true,"usgs":false}],"preferred":false,"id":955923,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70273762,"text":"70273762 - 2026 - Roadway runoff induced acute mortality in juvenile coho salmon during spring storm events","interactions":[],"lastModifiedDate":"2026-01-28T16:25:18.408468","indexId":"70273762","displayToPublicDate":"2026-01-05T09:17:42","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1565,"text":"Environmental Science & Technology","onlineIssn":"1520-5851","printIssn":"0013-936X","active":true,"publicationSubtype":{"id":10}},"title":"Roadway runoff induced acute mortality in juvenile coho salmon during spring storm events","docAbstract":"<p><span id=\"_mce_caret\" data-mce-bogus=\"1\" data-mce-type=\"format-caret\"><span>Extensive mortalities of adult coho salmon (</span><i>Oncorhynchus kisutch</i><span>), often called “Urban Runoff Mortality Syndrome” (URMS), have been documented during the fall in creeks where water quality has been degraded by roadway runoff. The primary cause of mortality is 6PPD-quinone (6PPDQ;&nbsp;</span><i>N</i><span>-(1,3-dimethylbutyl)-</span><i>N</i><span>′-phenyl-</span><i>p</i><span>-phenylenediamine quinone)–an ozone transformation product that forms on all vehicle tires. Laboratory studies have shown that juvenile coho salmon are highly sensitive to 6PPDQ exposure. Unlike adults, juveniles reside in impacted watersheds year-round, including during the spring when 6PPDQ concentrations can frequently exceed lethal thresholds during storms. To assess the potential incidence of URMS in springtime rearing habitats for juvenile coho salmon, we conducted a paired water quality and toxicology study at Miller Creek, a runoff-impacted watershed in Normandy Park, WA, USA. Using a small field facility, three naïve groups of juvenile coho salmon (</span><i>N</i><span>&nbsp;= 720) were exposed to either creek water or groundwater (</span><i>N</i><span>&nbsp;= 120 per treatment per storm), across three spring storms while comparing water quality and mortality end points. In creek water during exposures, peak 6PPDQ concentrations reached 73–110 ng/L, exceeding reported median lethal concentrations (LC</span><sub>50</sub><span>) for coho salmon. Over each 24–73 h storm exposure period, ∼80% of Miller Creek-exposed juvenile salmon died. No mortality occurred among control fish exposed to groundwater. These results indicate previously unidentified mortality risks for juvenile life stages of coho salmon during spring storms, suggesting substantial and year-round water quality impediments to coho salmon health and recovery across roadway runoff-impacted spawning, rearing, and migratory habitats.</span></span></p>","language":"English","publisher":"American Chemical Society","doi":"10.1021/acs.est.5c13992","usgsCitation":"Brown, M.L., Ivy, N., Gonzalez, M., Greer, J.B., Hansen, J.D., Kolodziej, E., and McIntyre, J.K., 2026, Roadway runoff induced acute mortality in juvenile coho salmon during spring storm events: Environmental Science & Technology, v. 60, no. 2, p. 1723-1732, https://doi.org/10.1021/acs.est.5c13992.","productDescription":"10 p.","startPage":"1723","endPage":"1732","ipdsId":"IP-183827","costCenters":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"links":[{"id":499328,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1021/acs.est.5c13992","text":"Publisher Index Page"},{"id":499177,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Washington","city":"Normandy Park","otherGeospatial":"Miller Creek","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -122.36249783623032,\n              47.448579913315115\n            ],\n            [\n              -122.36249783623032,\n              47.42927966039616\n            ],\n            [\n              -122.33175787382147,\n              47.42927966039616\n            ],\n            [\n              -122.33175787382147,\n              47.448579913315115\n            ],\n            [\n              -122.36249783623032,\n              47.448579913315115\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"60","issue":"2","noUsgsAuthors":false,"publicationDate":"2026-01-05","publicationStatus":"PW","contributors":{"authors":[{"text":"Brown, Marlee L.","contributorId":365693,"corporation":false,"usgs":false,"family":"Brown","given":"Marlee","middleInitial":"L.","affiliations":[{"id":87190,"text":"Center for Urban Waters, University of Washington Tacoma, University of Washington","active":true,"usgs":false}],"preferred":false,"id":954620,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ivy, Nathan","contributorId":365694,"corporation":false,"usgs":false,"family":"Ivy","given":"Nathan","affiliations":[{"id":87191,"text":"Puyallup Research and Extension Center, Washington State University, Puyallup, WA","active":true,"usgs":false}],"preferred":false,"id":954621,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Gonzalez, Melissa","contributorId":331459,"corporation":false,"usgs":false,"family":"Gonzalez","given":"Melissa","email":"","affiliations":[],"preferred":false,"id":954622,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Greer, Justin Blaine 0000-0001-6660-9976","orcid":"https://orcid.org/0000-0001-6660-9976","contributorId":265183,"corporation":false,"usgs":true,"family":"Greer","given":"Justin","email":"","middleInitial":"Blaine","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":954623,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Hansen, John D. 0000-0002-3006-2734","orcid":"https://orcid.org/0000-0002-3006-2734","contributorId":220725,"corporation":false,"usgs":true,"family":"Hansen","given":"John","middleInitial":"D.","affiliations":[{"id":654,"text":"Western Fisheries Research Center","active":true,"usgs":true}],"preferred":true,"id":954624,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Kolodziej, Edward","contributorId":146307,"corporation":false,"usgs":false,"family":"Kolodziej","given":"Edward","affiliations":[],"preferred":false,"id":954625,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"McIntyre, Jenifer K.","contributorId":365695,"corporation":false,"usgs":false,"family":"McIntyre","given":"Jenifer","middleInitial":"K.","affiliations":[{"id":87191,"text":"Puyallup Research and Extension Center, Washington State University, Puyallup, WA","active":true,"usgs":false}],"preferred":false,"id":954626,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70273434,"text":"70273434 - 2026 - Distinguishing natural from mining-related metal sources by including streambank groundwater data in a stream mass loading study","interactions":[],"lastModifiedDate":"2026-01-22T16:48:36.836817","indexId":"70273434","displayToPublicDate":"2026-01-05T09:12:17","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2233,"text":"Journal of Contaminant Hydrology","active":true,"publicationSubtype":{"id":10}},"title":"Distinguishing natural from mining-related metal sources by including streambank groundwater data in a stream mass loading study","docAbstract":"<p><span>Distinguishing stream metal loading caused by mine features from that caused by natural background sources remains challenging, yet this distinction is essential for making effective remedial decisions at many legacy mine sites. We combine a stream tracer injection and synoptic sampling study with data from shallow near-stream groundwater wells to estimate left-bank versus right-bank metal loading contributions at the 100-m spatial scale. The study was performed in the East Mancos River, a mountain headwater stream in Colorado, USA. The dominant source of elevated stream metal concentrations could be either groundwater infiltration through right-bank Doyle Mine waste piles or natural acid rock drainage from hydrothermally altered bedrock located mainly on the left bank. For the five metals of concern (Cu, Al, Zn, Cd, and Mn), we find that 15 % of the load contributed by diffuse groundwater inputs in the section potentially influenced by Doyle mine waste originates from the right bank. This right-bank potential mine contribution equates to only 3 % of the total watershed instream load for these metals. Furthermore, apparent&nbsp;</span><sup>3</sup><span>H/</span><sup>3</sup><span>He groundwater ages in segments contributing most of the right-bank metal loading are sufficiently old (9–12 yr) to suggest that infiltration through the waste piles, located only 140–180 m from the stream, is unlikely. Estimated potential Doyle mine loading contributions can therefore be considered maximum values. Study results thus indicate that Doyle mine waste piles are a minor source of metal loading under low-flow conditions, and streambank groundwater data can provide valuable additional information in stream mass loading studies.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.jconhyd.2026.104841","usgsCitation":"Manning, A.H., Runkel, R.L., Morrison, J.M., Warix, S., Wanty, R.B., Walton-Day, K., and Snook, M., 2026, Distinguishing natural from mining-related metal sources by including streambank groundwater data in a stream mass loading study: Journal of Contaminant Hydrology, v. 277, 104841, 15 p., https://doi.org/10.1016/j.jconhyd.2026.104841.","productDescription":"104841, 15 p.","ipdsId":"IP-180763","costCenters":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true},{"id":35995,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":true}],"links":[{"id":498582,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Colorado","otherGeospatial":"East Mancos River","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -108.095,\n              37.42811837014183\n            ],\n            [\n              -108.11,\n              37.42811837014183\n            ],\n            [\n              -108.11,\n              37.41818534993749\n            ],\n            [\n              -108.095,\n              37.41818534993749\n            ],\n            [\n              -108.095,\n              37.42811837014183\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"277","noUsgsAuthors":false,"publicationDate":"2026-01-05","publicationStatus":"PW","contributors":{"authors":[{"text":"Manning, Andrew H. 0000-0002-6404-1237 amanning@usgs.gov","orcid":"https://orcid.org/0000-0002-6404-1237","contributorId":1305,"corporation":false,"usgs":true,"family":"Manning","given":"Andrew","email":"amanning@usgs.gov","middleInitial":"H.","affiliations":[{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":953685,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Runkel, Robert L. 0000-0003-3220-481X runkel@usgs.gov","orcid":"https://orcid.org/0000-0003-3220-481X","contributorId":685,"corporation":false,"usgs":true,"family":"Runkel","given":"Robert","email":"runkel@usgs.gov","middleInitial":"L.","affiliations":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":true,"id":953686,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Morrison, Jean M. 0000-0002-6614-8783 jmorrison@usgs.gov","orcid":"https://orcid.org/0000-0002-6614-8783","contributorId":994,"corporation":false,"usgs":true,"family":"Morrison","given":"Jean","email":"jmorrison@usgs.gov","middleInitial":"M.","affiliations":[{"id":211,"text":"Crustal Geophysics and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":953687,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Warix, Sara","contributorId":355736,"corporation":false,"usgs":false,"family":"Warix","given":"Sara","affiliations":[{"id":13252,"text":"University of Utah","active":true,"usgs":false}],"preferred":false,"id":953688,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Wanty, Richard B.","contributorId":365089,"corporation":false,"usgs":false,"family":"Wanty","given":"Richard","middleInitial":"B.","affiliations":[{"id":6606,"text":"Colorado School of Mines","active":true,"usgs":false}],"preferred":false,"id":953689,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Walton-Day, Katherine 0000-0002-9146-6193","orcid":"https://orcid.org/0000-0002-9146-6193","contributorId":336569,"corporation":false,"usgs":true,"family":"Walton-Day","given":"Katherine","affiliations":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":true,"id":953690,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Snook, Michael 0009-0005-5660-086X","orcid":"https://orcid.org/0009-0005-5660-086X","contributorId":360715,"corporation":false,"usgs":false,"family":"Snook","given":"Michael","affiliations":[{"id":27526,"text":"Georgia Institute of Technology","active":true,"usgs":false}],"preferred":false,"id":953691,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70274253,"text":"70274253 - 2026 - Physiological impacts of sublethal Cyathocotyle bushiensis and Sphaeridiotrema pseudoglobulus infections in captive Lesser Scaup (Aythya affinis)","interactions":[],"lastModifiedDate":"2026-03-23T14:27:34.650749","indexId":"70274253","displayToPublicDate":"2026-01-05T09:11:38","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3784,"text":"Wilson Journal of Ornithology","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Physiological impacts of sublethal <i>Cyathocotyle bushiensis</i> and <i>Sphaeridiotrema pseudoglobulus</i> infections in captive Lesser Scaup (<i>Aythya affinis</i>)","title":"Physiological impacts of sublethal Cyathocotyle bushiensis and Sphaeridiotrema pseudoglobulus infections in captive Lesser Scaup (Aythya affinis)","docAbstract":"<p><span>Thousands of Lesser Scaup (</span><i>Aythya affinis</i><span>) die annually in the Upper Mississippi River System, USA, from intestinal infections after birds consume exotic faucet snails,&nbsp;</span><i>Bithynia tentaculata</i><span>, infected with introduced parasites,&nbsp;</span><i>Cyathocotyle bushiensis</i><span>&nbsp;and&nbsp;</span><i>Sphaeridiotrema pseudoglobulus</i><span>. To date, the low frequency (biannual) and magnitude of mortality events from intestinal infections likely prevents trematode mortalities from being a major contributor to Lesser Scaup population declines. However, questions remain regarding the role sublethal infections may have on Lesser Scaup fitness along with the potential for carryover effects in the following breeding season. We examined the impact of a single sublethal&nbsp;</span><i>C. bushiensis</i><span>&nbsp;and&nbsp;</span><i>S. pseudoglobulus</i><span>&nbsp;infection on select physiological parameters in Lesser Scaup over a 10-day period post inoculation through three trials, each involving three experimental groups: baseline control, trial control, and treatment (</span><i>n</i><span> = 96 scaup). We found that male Lesser Scaup that were in better body condition before the trial had fewer&nbsp;</span><i>C. bushiensis</i><span>&nbsp;and&nbsp;</span><i>Sphaeridiotrema pseudoglobulus</i><span>&nbsp;recovered from their intestines at necropsy. Individuals with the highest numbers of&nbsp;</span><i>C. bushiensis</i><span>&nbsp;and&nbsp;</span><i>S. pseudoglobulus</i><span>&nbsp;in their intestines lost the largest amounts of body mass during the trial. We found that blood urea nitrogen and triglycerides were lower when&nbsp;</span><i>C. bushiensis</i><span>&nbsp;and&nbsp;</span><i>S. pseudoglobulus</i><span>&nbsp;were present. Triglycerides and glucose declined from Day 0 to Day 5 but stabilized on Day 10 of the trial. Our results highlight changes in physiological metrics in Lesser Scaup from a sublethal infection with&nbsp;</span><i>C. bushiensis</i><span>&nbsp;and&nbsp;</span><i>S. pseudoglobulus</i><span>&nbsp;under experimental conditions. Changes in Lesser Scaup health parameters indicated that scaup surviving a single sublethal trematode infection may have reduced body condition, which could lead to negative health implications in the following breeding season.</span></p>","language":"English","publisher":"Taylor & Francis","doi":"10.1080/15594491.2025.2597098","usgsCitation":"Beach, C., Fournier, A., Lancaster, J.D., Osborne, D.C., Cole, R.A., Hagy, H.M., and Jacques, C., 2026, Physiological impacts of sublethal Cyathocotyle bushiensis and Sphaeridiotrema pseudoglobulus infections in captive Lesser Scaup (Aythya affinis): Wilson Journal of Ornithology, https://doi.org/10.1080/15594491.2025.2597098.","ipdsId":"IP-181469","costCenters":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"links":[{"id":501387,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"edition":"Online First","noUsgsAuthors":false,"publicationDate":"2026-01-05","publicationStatus":"PW","contributors":{"authors":[{"text":"Beach, C.R","contributorId":336886,"corporation":false,"usgs":false,"family":"Beach","given":"C.R","email":"","affiliations":[{"id":80893,"text":"Department of Biological Sciences, Western Illinois University,","active":true,"usgs":false}],"preferred":false,"id":957193,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Fournier, Auriel 0000-0002-8530-9968","orcid":"https://orcid.org/0000-0002-8530-9968","contributorId":261669,"corporation":false,"usgs":false,"family":"Fournier","given":"Auriel","email":"","affiliations":[{"id":36403,"text":"University of Illinois","active":true,"usgs":false}],"preferred":false,"id":957194,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Lancaster, Joseph D.","contributorId":360899,"corporation":false,"usgs":false,"family":"Lancaster","given":"Joseph","middleInitial":"D.","affiliations":[{"id":13723,"text":"Gulf Coast Joint Venture","active":true,"usgs":false}],"preferred":false,"id":957195,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Osborne, Douglas C.","contributorId":219861,"corporation":false,"usgs":false,"family":"Osborne","given":"Douglas","email":"","middleInitial":"C.","affiliations":[{"id":6623,"text":"University of Arkansas","active":true,"usgs":false}],"preferred":false,"id":957196,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Cole, Rebecca A. 0000-0003-2923-1622 rcole@usgs.gov","orcid":"https://orcid.org/0000-0003-2923-1622","contributorId":2873,"corporation":false,"usgs":true,"family":"Cole","given":"Rebecca","email":"rcole@usgs.gov","middleInitial":"A.","affiliations":[{"id":456,"text":"National Wildlife Health Center","active":true,"usgs":true}],"preferred":true,"id":957197,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Hagy, Heath M.","contributorId":172326,"corporation":false,"usgs":false,"family":"Hagy","given":"Heath","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":957198,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Jacques, Christopher N.","contributorId":348104,"corporation":false,"usgs":false,"family":"Jacques","given":"Christopher N.","affiliations":[{"id":49637,"text":"Western Illinois University","active":true,"usgs":false}],"preferred":false,"id":957199,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}}
,{"id":70273442,"text":"70273442 - 2026 - Is satellite-derived bathymetry vertical accuracy dependent on satellite mission and processing method?","interactions":[],"lastModifiedDate":"2026-01-14T15:23:53.929478","indexId":"70273442","displayToPublicDate":"2026-01-05T08:18:13","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3250,"text":"Remote Sensing","active":true,"publicationSubtype":{"id":10}},"title":"Is satellite-derived bathymetry vertical accuracy dependent on satellite mission and processing method?","docAbstract":"<p><span id=\"_mce_caret\" data-mce-bogus=\"1\" data-mce-type=\"format-caret\"><span>This research focusses on three satellite-derived bathymetry methods and optical satellite instruments: (1) a stereo photogrammetry bathymetry module (SaTSeaD) developed for the NASA Ames stereo pipeline open-source software (version 3.6.0) using stereo WorldView data; (2) physics-based radiative transfer equations (PBSDB) using Landsat data; and (3) a modified composite band-ratio method for Sentinel-2 (SatBathy) with an initial simplified calibration, followed by a more rigorous linear regression against in situ bathymetry data. All methods were tested in three different areas with different geological and environmental conditions, Cabo Rojo, Puerto Rico; Key West, Florida; and Cocos Lagoon and Achang Flat Reef Preserve, Guam. It is demonstrated that all satellite derived bathymetry (SDB) methods have increased accuracy when the results are aligned with higher-accuracy ICESat-2 ATL24 track bathymetry data using the iterative closest point (ICP). SDB vertical accuracy depends more on location characteristics than the method or optical satellite instrument used. All error metrics considered (mean absolute error, median absolute deviation, and root mean square error) can be less than 5% of the maximum bathymetry depth penetration for at least one method, although not necessarily for the same method for all sites. The SDB error distribution tends to be bimodal irrespective of method, satellite instrument, alignment, site, or maximum bathymetry depth, leading to the potential ineffectiveness of traditional error metrics, such as the root mean square error. However, our analysis demonstrates that performing detrending where possible can achieve an error distribution as close to normality as possible for which error metrics are more diagnostic.</span></span></p>","language":"English","publisher":"MDPI","doi":"10.3390/rs18020195","usgsCitation":"Palaseanu-Lovejoy, M., Danielson, J.J., Kim, M., Eder, B., Imahori, G., and Storlazzi, C.D., 2026, Is satellite-derived bathymetry vertical accuracy dependent on satellite mission and processing method?: Remote Sensing, v. 18, no. 2, 195, 30 p., https://doi.org/10.3390/rs18020195.","productDescription":"195, 30 p.","ipdsId":"IP-183102","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":498700,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.3390/rs18020195","text":"Publisher Index Page"},{"id":498609,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Florida","otherGeospatial":"Guam, Puerto Rico","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -88.29886149831057,\n              31.035877030602435\n            ],\n            [\n              -88.29886149831057,\n              24.818271329127427\n            ],\n            [\n              -79.18887863828726,\n              24.818271329127427\n            ],\n            [\n              -79.18887863828726,\n              31.035877030602435\n            ],\n            [\n              -88.29886149831057,\n              31.035877030602435\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    },\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -67.91979115320188,\n              18.80997482085145\n            ],\n            [\n              -67.91979115320188,\n              17.365111187758373\n            ],\n            [\n              -64.61443502140921,\n              17.365111187758373\n            ],\n            [\n              -64.61443502140921,\n              18.80997482085145\n            ],\n            [\n              -67.91979115320188,\n              18.80997482085145\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    },\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              144.5400287592969,\n              13.788590651628851\n            ],\n            [\n              144.5400287592969,\n              13.156374228238235\n            ],\n            [\n              145.08326832494907,\n              13.156374228238235\n            ],\n            [\n              145.08326832494907,\n              13.788590651628851\n            ],\n            [\n              144.5400287592969,\n              13.788590651628851\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"18","issue":"2","noUsgsAuthors":false,"publicationDate":"2026-01-06","publicationStatus":"PW","contributors":{"authors":[{"text":"Palaseanu-Lovejoy, Monica 0000-0002-3786-5118","orcid":"https://orcid.org/0000-0002-3786-5118","contributorId":305576,"corporation":false,"usgs":true,"family":"Palaseanu-Lovejoy","given":"Monica","affiliations":[],"preferred":true,"id":953719,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Danielson, Jeffrey J. 0000-0003-0907-034X daniels@usgs.gov","orcid":"https://orcid.org/0000-0003-0907-034X","contributorId":3996,"corporation":false,"usgs":true,"family":"Danielson","given":"Jeffrey","email":"daniels@usgs.gov","middleInitial":"J.","affiliations":[{"id":222,"text":"Earth Resources Observation and Science (EROS) Center","active":true,"usgs":true},{"id":223,"text":"Earth Resources Observation and Science (EROS) Center (Geography)","active":false,"usgs":true}],"preferred":true,"id":953720,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Kim, Minsu 0000-0003-4472-0926","orcid":"https://orcid.org/0000-0003-4472-0926","contributorId":297371,"corporation":false,"usgs":false,"family":"Kim","given":"Minsu","affiliations":[{"id":54490,"text":"KBR, Inc., under contract to USGS","active":true,"usgs":false}],"preferred":false,"id":953721,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Eder, Bryan","contributorId":365118,"corporation":false,"usgs":false,"family":"Eder","given":"Bryan","affiliations":[{"id":36803,"text":"NOAA","active":true,"usgs":false}],"preferred":false,"id":953722,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Imahori, Gretchen","contributorId":365119,"corporation":false,"usgs":false,"family":"Imahori","given":"Gretchen","affiliations":[{"id":36803,"text":"NOAA","active":true,"usgs":false}],"preferred":false,"id":953723,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Storlazzi, Curt D. 0000-0001-8057-4490","orcid":"https://orcid.org/0000-0001-8057-4490","contributorId":213610,"corporation":false,"usgs":true,"family":"Storlazzi","given":"Curt","middleInitial":"D.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":953724,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}}
,{"id":70274154,"text":"70274154 - 2026 - Bridging ecology and geosciences in riverscapes: Implications for process-based restoration","interactions":[],"lastModifiedDate":"2026-03-02T14:54:49.796661","indexId":"70274154","displayToPublicDate":"2026-01-04T08:51:29","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1461,"text":"Ecological Research","active":true,"publicationSubtype":{"id":10}},"title":"Bridging ecology and geosciences in riverscapes: Implications for process-based restoration","docAbstract":"<p><span>There has been a growing interest in integrating geological and ecological processes for sustainable river management and restoration. Lotic systems are shaped by diverse physical processes, including geology, geomorphology, hydrology, and interactions with terrestrial processes. However, restoration practices often prioritize specific habitats or river forms without fully considering the underlying physical processes that support biological communities and ecosystem functions. In this paper, we synthesize studies that integrally examine geological and ecological processes across different scales and components of riverscapes, including geohydrological processes, which have been less investigated in riverscape studies. We begin by examining processes at broader spatial scales, including river–watershed and river–riparian interactions, and gradually narrow our focus to the dynamics that occur among habitats within river channels, through which we highlight the significance of conceptualizing rivers as dynamic “networks” rather than linear features. Finally, we identify both scientific and practical challenges that can be addressed to bridge the gap between basic-science implications and their implementation in riverscape restorations.</span></p>","language":"English","publisher":"Wiley","doi":"10.1111/1440-1703.70028","usgsCitation":"Uno, H., Nakagawa, H., Ishiyama, N., Sakai, M., Mori, T., Terui, A., Scholl, E.A., Wohl, E., and Baxter, C.V., 2026, Bridging ecology and geosciences in riverscapes: Implications for process-based restoration: Ecological Research, v. 41, no. 1, e70028, 19 p., https://doi.org/10.1111/1440-1703.70028.","productDescription":"e70028, 19 p.","ipdsId":"IP-179877","costCenters":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"links":[{"id":500819,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/1440-1703.70028","text":"Publisher Index Page"},{"id":500669,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"41","issue":"1","noUsgsAuthors":false,"publicationDate":"2026-01-04","publicationStatus":"PW","contributors":{"authors":[{"text":"Uno, Hiromi","contributorId":367076,"corporation":false,"usgs":false,"family":"Uno","given":"Hiromi","affiliations":[{"id":87535,"text":"Graduate School of Life Sciences, Tohoku University; 6-3 Aoba, Aramaki, Aoba-ku, Sendai, Miyagi, Japan, 980-0845","active":true,"usgs":false}],"preferred":false,"id":956705,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Nakagawa, Hikaru","contributorId":367077,"corporation":false,"usgs":false,"family":"Nakagawa","given":"Hikaru","affiliations":[{"id":87536,"text":"Aqua Restoration Research Center, Public Works Research Institute; Kawashima-Kasada-machi, Kakamigahara, Gifu, Japan, 501-6021","active":true,"usgs":false}],"preferred":false,"id":956706,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ishiyama, Nobuo","contributorId":367078,"corporation":false,"usgs":false,"family":"Ishiyama","given":"Nobuo","affiliations":[{"id":87537,"text":"Graduate School of Agriculture, Hokkaido University; N9 W9 Sapporo, Hokkaido 060–8589, Japan, 060-8589","active":true,"usgs":false}],"preferred":false,"id":956707,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Sakai, Masaru","contributorId":367079,"corporation":false,"usgs":false,"family":"Sakai","given":"Masaru","affiliations":[{"id":87538,"text":"Fukushima Regional Collaborative Research Center, National Institute for Environmental Studies, 10-2 Fukasaku, Miharu, Tamura District, Fukushima 963-7700, Japan","active":true,"usgs":false}],"preferred":false,"id":956708,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Mori, Terutaka","contributorId":367080,"corporation":false,"usgs":false,"family":"Mori","given":"Terutaka","affiliations":[{"id":87537,"text":"Graduate School of Agriculture, Hokkaido University; N9 W9 Sapporo, Hokkaido 060–8589, Japan, 060-8589","active":true,"usgs":false}],"preferred":false,"id":956709,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Terui, Akira","contributorId":367081,"corporation":false,"usgs":false,"family":"Terui","given":"Akira","affiliations":[{"id":87539,"text":"Department of Biology, University of North Carolina Greensboro, NC","active":true,"usgs":false}],"preferred":false,"id":956710,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Scholl, Eric Arthur 0000-0003-3028-9979","orcid":"https://orcid.org/0000-0003-3028-9979","contributorId":329480,"corporation":false,"usgs":true,"family":"Scholl","given":"Eric","email":"","middleInitial":"Arthur","affiliations":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":true,"id":956711,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Wohl, Ellen","contributorId":313566,"corporation":false,"usgs":false,"family":"Wohl","given":"Ellen","affiliations":[{"id":6621,"text":"Colorado State University","active":true,"usgs":false}],"preferred":false,"id":956712,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Baxter, Colden V.","contributorId":367082,"corporation":false,"usgs":false,"family":"Baxter","given":"Colden","middleInitial":"V.","affiliations":[{"id":87542,"text":"Department of Biological Sciences, Idaho State University","active":true,"usgs":false}],"preferred":false,"id":956713,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}}
,{"id":70273485,"text":"70273485 - 2026 - Assessment of the fish tumors or other deformities beneficial use impairment and associated risks at two Lake Michigan Areas of Concern","interactions":[],"lastModifiedDate":"2026-01-22T16:51:02.63227","indexId":"70273485","displayToPublicDate":"2026-01-03T08:02:15","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1479,"text":"Ecotoxicology","active":true,"publicationSubtype":{"id":10}},"title":"Assessment of the fish tumors or other deformities beneficial use impairment and associated risks at two Lake Michigan Areas of Concern","docAbstract":"<p><span id=\"_mce_caret\" data-mce-bogus=\"1\" data-mce-type=\"format-caret\"><span>The U.S. Great Lakes Areas of Concern (AOCs) have been designated due to significant environmental degradation, with multiple Beneficial Use Impairments (BUIs) requiring remediation before delisting. The “fish tumors or other deformities” BUI remains at the Sheboygan River and the Lower Green Bay and Fox River AOCs, necessitating evaluation in white sucker (</span><i>Catostomus commersonii</i><span>), a sentinel species. This study documented the prevalence of skin and liver neoplastic and preneoplastic lesions at these AOCs, assessed temporal trends at the Sheboygan River AOC from 2012 to 2021, and investigated potential risk factors influencing liver neoplasm development using histological and molecular approaches. Histopathological analyses revealed that skin neoplasms were present in 15.5% of fish from the Green Bay AOC and 21.5% from the Sheboygan River AOC, while liver neoplasms were detected in 7.0% and 6.0% of fish, respectively. At the Sheboygan River AOC, the prevalence of skin tumors declined from 32.6% in 2012 to 21.5% in 2021, and liver tumor prevalence decreased from 8.3% in 2012 to 6.0% in 2021. Hepatic transcript analyses identified significant expression of genes associated with contaminant exposure, oxidative stress, and immune response, suggesting ongoing exposure to environmental stressors. The presence of white sucker hepatitis B-like virus (WSHBV) in hepatocytes was confirmed, though no direct correlation between viral transcript abundance and neoplastic lesions was found. Findings indicate tumor prevalence has declined over time, however rates remain elevated compared to previous reference site assessments. The study underscores the potential multifactorial nature of carcinogenesis in wild fish populations, involving both chemical and biological stressors.</span></span></p>","language":"English","publisher":"Springer Nature","doi":"10.1007/s10646-025-03001-8","usgsCitation":"Blazer, V., Smith, C., Walsh, H.L., Mazik, P., and Magee, M., 2026, Assessment of the fish tumors or other deformities beneficial use impairment and associated risks at two Lake Michigan Areas of Concern: Ecotoxicology, v. 35, 31, https://doi.org/10.1007/s10646-025-03001-8.","productDescription":"31","ipdsId":"IP-177768","costCenters":[{"id":50464,"text":"Eastern Ecological Science Center","active":true,"usgs":true}],"links":[{"id":498772,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"Lake Michigan","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -88.29048734241736,\n              45.11996146491421\n            ],\n            [\n              -87.87373230732034,\n              41.45038648750469\n            ],\n            [\n              -86.17190426741607,\n              41.678839342101355\n            ],\n            [\n              -85.87905188122703,\n              44.368052629083294\n            ],\n            [\n              -85.02411482267256,\n              45.18278321034072\n            ],\n            [\n              -84.71593367967397,\n              45.94920022855845\n            ],\n            [\n              -84.84776212832931,\n              46.32432984913021\n            ],\n            [\n              -87.07263583258985,\n              45.87812022709528\n            ],\n            [\n              -88.29048734241736,\n              45.11996146491421\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"35","noUsgsAuthors":false,"publicationDate":"2026-01-03","publicationStatus":"PW","contributors":{"authors":[{"text":"Blazer, Vicki S. 0000-0001-6647-9614","orcid":"https://orcid.org/0000-0001-6647-9614","contributorId":349694,"corporation":false,"usgs":true,"family":"Blazer","given":"Vicki S.","affiliations":[{"id":50464,"text":"Eastern Ecological Science Center","active":true,"usgs":true}],"preferred":true,"id":953905,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Smith, Cheyenne Rose 0000-0002-7226-1774","orcid":"https://orcid.org/0000-0002-7226-1774","contributorId":303309,"corporation":false,"usgs":true,"family":"Smith","given":"Cheyenne Rose","affiliations":[{"id":50464,"text":"Eastern Ecological Science Center","active":true,"usgs":true}],"preferred":true,"id":953906,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Walsh, Heather L. 0000-0001-6392-4604 hwalsh@usgs.gov","orcid":"https://orcid.org/0000-0001-6392-4604","contributorId":4696,"corporation":false,"usgs":true,"family":"Walsh","given":"Heather","email":"hwalsh@usgs.gov","middleInitial":"L.","affiliations":[{"id":365,"text":"Leetown Science Center","active":true,"usgs":true}],"preferred":true,"id":953907,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Mazik, P.M.","contributorId":365199,"corporation":false,"usgs":false,"family":"Mazik","given":"P.M.","affiliations":[{"id":12432,"text":"West Virginia University","active":true,"usgs":false}],"preferred":false,"id":953908,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Magee, M.R.","contributorId":365200,"corporation":false,"usgs":false,"family":"Magee","given":"M.R.","affiliations":[{"id":6913,"text":"Wisconsin Department of Natural Resources","active":true,"usgs":false}],"preferred":false,"id":953909,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70273333,"text":"70273333 - 2026 - Rapid characterization of the 2025 Mw  8.8 Kamchatka, Russia earthquake","interactions":[],"lastModifiedDate":"2026-01-07T15:03:07.193971","indexId":"70273333","displayToPublicDate":"2026-01-02T08:54:03","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":10542,"text":"The Seismic Record","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Rapid characterization of the 2025 <i>M</i><sub>w</sub>  8.8 Kamchatka, Russia earthquake","title":"Rapid characterization of the 2025 Mw  8.8 Kamchatka, Russia earthquake","docAbstract":"<p><span>The 29 July 2025 <i>M</i><sub>w</sub></span><span>&nbsp;8.8 Kamchatka, Russia, earthquake was the sixth largest instrumentally recorded earthquake. This event was seismically well observed at regional and teleseismic distances, but publicly available near‐source data were sparse at the time of the event, presenting unique challenges for rapid source and impact characterization. The U.S. Geological Survey (USGS) National Earthquake Information Center provides global real‐time monitoring for earthquakes, including rapid response information products that estimate source characteristics, shaking, and the resulting impacts. We describe the USGS rapid response earthquake information products following the Kamchatka event and discuss their implications for ongoing hazards in the region. We describe potential improvements to our response workflows motivated by this event, including more rapid constraints on source geometries and the automated selection of fault geometries for finite‐fault inversions. The rapid response products together support the interpretation of a unilateral southwestward rupture with significant slip on the southwestern end of the rupture extent. The <i>M</i><sub>w</sub></span><span>&nbsp;8.8–9.0 event in 1952, which ruptured a comparable extent of the Kuril–Kamchatka subduction interface, has many similarities to the 2025 rupture. This illustrates that slip deficits may remain following great earthquakes and highlights the usefulness of comparative studies between historic and modern events.</span></p>","language":"English","publisher":"Seismological Society of America","doi":"10.1785/0320250038","usgsCitation":"Yin, H.Z., Allstadt, K.E., Barnhart, W.D., Clapp, S.A., Earle, P.S., Goldberg, D.E., Grant, A.R., Matt Herman, Jaiswal, K.S., McBride, S., Ringler, A.T., Schneider, M., Thompson, E.M., van der Elst, N., Wald, D., Wang, D., Worden, C., and Yeck, W.L., 2026, Rapid characterization of the 2025 Mw  8.8 Kamchatka, Russia earthquake: The Seismic Record, v. 6, no. 1, p. 1-12, https://doi.org/10.1785/0320250038.","productDescription":"12 p.","startPage":"1","endPage":"12","ipdsId":"IP-183627","costCenters":[{"id":122,"text":"Albuquerque Seismological Laboratory","active":false,"usgs":true},{"id":234,"text":"Earthquake Hazards Program","active":true,"usgs":true},{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true},{"id":78686,"text":"Geologic Hazards Science Center - Seismology / Geomagnetism","active":true,"usgs":true}],"links":[{"id":498473,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1785/0320250038","text":"Publisher Index Page"},{"id":498374,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Russia","otherGeospatial":"Kuril-Kamchatka subduction zone","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              168,\n              56\n            ],\n            [\n              144,\n              56\n            ],\n            [\n              144,\n              41\n            ],\n            [\n              168,\n              41\n            ],\n            [\n              168,\n              56\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"6","issue":"1","noUsgsAuthors":false,"publicationDate":"2026-01-02","publicationStatus":"PW","contributors":{"authors":[{"text":"Yin, Harriet Zoe 0000-0002-0670-6579","orcid":"https://orcid.org/0000-0002-0670-6579","contributorId":364882,"corporation":false,"usgs":true,"family":"Yin","given":"Harriet","middleInitial":"Zoe","affiliations":[{"id":78686,"text":"Geologic Hazards Science Center - Seismology / Geomagnetism","active":true,"usgs":true}],"preferred":true,"id":953369,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Allstadt, Kate E. 0000-0003-4977-5248","orcid":"https://orcid.org/0000-0003-4977-5248","contributorId":138704,"corporation":false,"usgs":true,"family":"Allstadt","given":"Kate","email":"","middleInitial":"E.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":953370,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Barnhart, William D 0000-0002-6576-068X","orcid":"https://orcid.org/0000-0002-6576-068X","contributorId":364883,"corporation":false,"usgs":true,"family":"Barnhart","given":"William","middleInitial":"D","affiliations":[{"id":234,"text":"Earthquake Hazards Program","active":true,"usgs":true}],"preferred":true,"id":953371,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Clapp, Samantha Ann 0009-0005-4418-2824","orcid":"https://orcid.org/0009-0005-4418-2824","contributorId":364884,"corporation":false,"usgs":true,"family":"Clapp","given":"Samantha","middleInitial":"Ann","affiliations":[{"id":78686,"text":"Geologic Hazards Science Center - Seismology / Geomagnetism","active":true,"usgs":true}],"preferred":true,"id":953372,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Earle, Paul S. 0000-0002-3500-017X pearle@usgs.gov","orcid":"https://orcid.org/0000-0002-3500-017X","contributorId":173551,"corporation":false,"usgs":true,"family":"Earle","given":"Paul","email":"pearle@usgs.gov","middleInitial":"S.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":953373,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Goldberg, Dara Elyse 0000-0002-0923-3180","orcid":"https://orcid.org/0000-0002-0923-3180","contributorId":289891,"corporation":false,"usgs":true,"family":"Goldberg","given":"Dara","email":"","middleInitial":"Elyse","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":953374,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Grant, Alex R. 0000-0002-5096-4305","orcid":"https://orcid.org/0000-0002-5096-4305","contributorId":219066,"corporation":false,"usgs":true,"family":"Grant","given":"Alex","middleInitial":"R.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true},{"id":234,"text":"Earthquake Hazards Program","active":true,"usgs":true}],"preferred":true,"id":953375,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Matt Herman 0000-0003-4684-9459","orcid":"https://orcid.org/0000-0003-4684-9459","contributorId":302616,"corporation":false,"usgs":false,"family":"Matt Herman","affiliations":[{"id":56050,"text":"California State University-Bakersfield","active":true,"usgs":false}],"preferred":false,"id":953376,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Jaiswal, Kishor S. 0000-0002-5803-8007 kjaiswal@usgs.gov","orcid":"https://orcid.org/0000-0002-5803-8007","contributorId":149796,"corporation":false,"usgs":true,"family":"Jaiswal","given":"Kishor","email":"kjaiswal@usgs.gov","middleInitial":"S.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":953377,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"McBride, Sara K. 0000-0002-8062-6542","orcid":"https://orcid.org/0000-0002-8062-6542","contributorId":224626,"corporation":false,"usgs":false,"family":"McBride","given":"Sara K.","affiliations":[{"id":508,"text":"Office of the AD Hazards","active":true,"usgs":true}],"preferred":false,"id":953378,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Ringler, Adam T. 0000-0002-9839-4188 aringler@usgs.gov","orcid":"https://orcid.org/0000-0002-9839-4188","contributorId":3946,"corporation":false,"usgs":true,"family":"Ringler","given":"Adam","email":"aringler@usgs.gov","middleInitial":"T.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":953379,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Schneider, Max 0000-0003-2945-7904","orcid":"https://orcid.org/0000-0003-2945-7904","contributorId":340346,"corporation":false,"usgs":true,"family":"Schneider","given":"Max","email":"","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":953380,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Thompson, Eric M. 0000-0002-6943-4806 emthompson@usgs.gov","orcid":"https://orcid.org/0000-0002-6943-4806","contributorId":150897,"corporation":false,"usgs":true,"family":"Thompson","given":"Eric","email":"emthompson@usgs.gov","middleInitial":"M.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":953381,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"van der Elst, Nicholas 0000-0002-3812-1153 nvanderelst@usgs.gov","orcid":"https://orcid.org/0000-0002-3812-1153","contributorId":147858,"corporation":false,"usgs":true,"family":"van der Elst","given":"Nicholas","email":"nvanderelst@usgs.gov","affiliations":[{"id":234,"text":"Earthquake Hazards Program","active":true,"usgs":true},{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":953382,"contributorType":{"id":1,"text":"Authors"},"rank":14},{"text":"Wald, David 0000-0002-1454-4514 wald@usgs.gov","orcid":"https://orcid.org/0000-0002-1454-4514","contributorId":150898,"corporation":false,"usgs":true,"family":"Wald","given":"David","email":"wald@usgs.gov","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":953383,"contributorType":{"id":1,"text":"Authors"},"rank":15},{"text":"Wang, Dun 0000-0001-6435-9168","orcid":"https://orcid.org/0000-0001-6435-9168","contributorId":364891,"corporation":false,"usgs":false,"family":"Wang","given":"Dun","affiliations":[{"id":12433,"text":"China University of Geosciences","active":true,"usgs":false}],"preferred":false,"id":953384,"contributorType":{"id":1,"text":"Authors"},"rank":16},{"text":"Worden, Charles 0000-0003-1181-685X cbworden@usgs.gov","orcid":"https://orcid.org/0000-0003-1181-685X","contributorId":152042,"corporation":false,"usgs":true,"family":"Worden","given":"Charles","email":"cbworden@usgs.gov","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":953385,"contributorType":{"id":1,"text":"Authors"},"rank":17},{"text":"Yeck, William L. 0000-0002-2801-8873 wyeck@usgs.gov","orcid":"https://orcid.org/0000-0002-2801-8873","contributorId":147558,"corporation":false,"usgs":true,"family":"Yeck","given":"William","email":"wyeck@usgs.gov","middleInitial":"L.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true},{"id":309,"text":"Geology and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":953386,"contributorType":{"id":1,"text":"Authors"},"rank":18}]}}
,{"id":70274123,"text":"70274123 - 2026 - Helping California get ready for when the mud hits the fan","interactions":[],"lastModifiedDate":"2026-02-26T16:59:30.331793","indexId":"70274123","displayToPublicDate":"2026-01-01T10:58:41","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1154,"text":"California Geology","active":true,"publicationSubtype":{"id":10}},"title":"Helping California get ready for when the mud hits the fan","docAbstract":"With frequent wildfires, powerful rainstorms, steep terrain, and dense population, California is particularly vulnerable to postfire hazards like flooding and debris flow. Major postfire flooding and debris-flow events can be more costly than the fire itself, causing dozens of fatalities and widespread damage (Chawner, 1934; Lancaster et al., 2021). Smaller events occur nearly every year in California and can locally damage structures and roads, affect water quality and storage, and result in injury or loss of life (e.g., Dow et al., 2024; Rodriguez, 2025; Swanson et al., 2024; Figure 1). To mitigate these threats, the U.S. Geological Survey (USGS) has developed tools to assist local, state, and federal agencies in rapidly assessing postfire debris-flow risk across California’s diverse geology and geography. This article summarizes that effort and describes ongoing work by the USGS and partners to advance these methods and help California better prepare for future wildfires.","language":"English","publisher":"California Geological Survey","usgsCitation":"Kean, J.W., and Kostelnik, J., 2026, Helping California get ready for when the mud hits the fan: California Geology, v. 56, p. 24-29.","productDescription":"6 p.","startPage":"24","endPage":"29","ipdsId":"IP-180168","costCenters":[{"id":78686,"text":"Geologic Hazards Science Center - Seismology / Geomagnetism","active":true,"usgs":true}],"links":[{"id":500554,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":500540,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://www.conservation.ca.gov/cgs/documents/publications/california-geology-magazine/CG_2026-01.pdf"}],"country":"United States","state":"Caliornia","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"MultiPolygon\",\"coordinates\":[[[[-122.421439,37.869969],[-122.41847,37.852721],[-122.434403,37.852434],[-122.446316,37.861046],[-122.430958,37.872242],[-122.421439,37.869969]]],[[[-122.3785,37.826505],[-122.377879,37.830648],[-122.369941,37.832137],[-122.358779,37.814278],[-122.362661,37.807577],[-122.372422,37.811301],[-122.3785,37.826505]]],[[[-120.248484,33.999329],[-120.230001,34.010136],[-120.19578,34.004284],[-120.167306,34.008219],[-120.147647,34.024831],[-120.140362,34.025974],[-120.115058,34.019866],[-120.090182,34.019806],[-120.073609,34.024477],[-120.057637,34.03734],[-120.043259,34.035806],[-120.050382,34.013331],[-120.046575,34.000002],[-120.011123,33.979894],[-119.978876,33.983081],[-119.979913,33.969623],[-119.97026,33.944359],[-120.017715,33.936366],[-120.048611,33.915775],[-120.098601,33.907853],[-120.121817,33.895712],[-120.168974,33.91909],[-120.224461,33.989059],[-120.248484,33.999329]]],[[[-119.789798,34.05726],[-119.755521,34.056716],[-119.712576,34.043265],[-119.686507,34.019805],[-119.637742,34.013178],[-119.612226,34.021256],[-119.604287,34.031561],[-119.608798,34.035245],[-119.59324,34.049625],[-119.5667,34.053452],[-119.52064,34.034262],[-119.542449,34.021082],[-119.547072,34.005469],[-119.560464,33.99553],[-119.575636,33.996009],[-119.596877,33.988611],[-119.662825,33.985889],[-119.721206,33.959583],[-119.742966,33.963877],[-119.758141,33.959212],[-119.842748,33.97034],[-119.873358,33.980375],[-119.884896,34.008814],[-119.876329,34.032087],[-119.916216,34.058351],[-119.923337,34.069361],[-119.919155,34.07728],[-119.912857,34.077508],[-119.857304,34.071298],[-119.825865,34.059794],[-119.818742,34.052997],[-119.789798,34.05726]]],[[[-120.46258,34.042627],[-120.440248,34.036918],[-120.415287,34.05496],[-120.403613,34.050442],[-120.390906,34.051994],[-120.368813,34.06778],[-120.370176,34.074907],[-120.362251,34.073056],[-120.354982,34.059256],[-120.36029,34.05582],[-120.358608,34.050235],[-120.346946,34.046576],[-120.331161,34.049097],[-120.302122,34.023574],[-120.317052,34.018837],[-120.347706,34.020114],[-120.35793,34.015029],[-120.409368,34.032198],[-120.427408,34.025425],[-120.454134,34.028081],[-120.465329,34.038448],[-120.46258,34.042627]]],[[[-118.524531,32.895488],[-118.535823,32.90628],[-118.551134,32.945155],[-118.573522,32.969183],[-118.586928,33.008281],[-118.596037,33.015357],[-118.606559,33.01469],[-118.605534,33.030999],[-118.594033,33.035951],[-118.57516,33.033961],[-118.569013,33.029151],[-118.559171,33.006291],[-118.540069,32.980933],[-118.496811,32.933847],[-118.369984,32.839273],[-118.353504,32.821962],[-118.356541,32.817311],[-118.379968,32.824545],[-118.394565,32.823978],[-118.425634,32.800595],[-118.44492,32.820593],[-118.496298,32.851572],[-118.507193,32.876264],[-118.524531,32.895488]]],[[[-118.500212,33.449592],[-118.477646,33.448392],[-118.445812,33.428907],[-118.423576,33.427258],[-118.382037,33.409883],[-118.370323,33.409285],[-118.365094,33.388374],[-118.310213,33.335795],[-118.303174,33.320264],[-118.305084,33.310323],[-118.325244,33.299075],[-118.374768,33.320065],[-118.440047,33.318638],[-118.465368,33.326056],[-118.48877,33.356649],[-118.478465,33.38632],[-118.48875,33.419826],[-118.515914,33.422417],[-118.52323,33.430733],[-118.53738,33.434608],[-118.563442,33.434381],[-118.60403,33.47654],[-118.54453,33.474119],[-118.500212,33.449592]]],[[[-119.543842,33.280329],[-119.528141,33.284929],[-119.465717,33.259239],[-119.429559,33.228167],[-119.444269,33.21919],[-119.476029,33.21552],[-119.545872,33.233406],[-119.564971,33.24744],[-119.578942,33.278628],[-119.562042,33.271129],[-119.543842,33.280329]]],[[[-122.289533,42.007764],[-121.035195,41.993323],[-120.001058,41.995139],[-119.995926,40.499901],[-120.005743,39.228664],[-120.001014,38.999574],[-119.333423,38.538328],[-118.714312,38.102185],[-117.875927,37.497267],[-117.244917,37.030244],[-116.488233,36.459097],[-115.852908,35.96966],[-115.102881,35.379371],[-114.633013,35.002085],[-114.629015,34.986148],[-114.634953,34.958918],[-114.629753,34.938684],[-114.635176,34.875003],[-114.623939,34.859738],[-114.586842,34.835672],[-114.57101,34.794294],[-114.552682,34.766871],[-114.516619,34.736745],[-114.470477,34.711368],[-114.452628,34.668546],[-114.451753,34.654321],[-114.441465,34.64253],[-114.438739,34.621455],[-114.424202,34.610453],[-114.429747,34.591734],[-114.422382,34.580711],[-114.405228,34.569637],[-114.380838,34.529724],[-114.378124,34.507288],[-114.386699,34.457911],[-114.375789,34.447798],[-114.335372,34.450038],[-114.32613,34.437251],[-114.294836,34.421389],[-114.286802,34.40534],[-114.264317,34.401329],[-114.226107,34.365916],[-114.199482,34.361373],[-114.176909,34.349306],[-114.157206,34.317862],[-114.138282,34.30323],[-114.134768,34.268965],[-114.139055,34.259538],[-114.159697,34.258242],[-114.223384,34.205136],[-114.229715,34.186928],[-114.254141,34.173831],[-114.287294,34.170529],[-114.320777,34.138635],[-114.353031,34.133121],[-114.366521,34.118575],[-114.390565,34.110084],[-114.411681,34.110031],[-114.43338,34.088413],[-114.43934,34.057893],[-114.434949,34.037784],[-114.438266,34.022609],[-114.46283,34.008421],[-114.46117,33.994687],[-114.499883,33.961789],[-114.522002,33.955623],[-114.535478,33.934651],[-114.533679,33.926072],[-114.508558,33.906098],[-114.518555,33.889847],[-114.50434,33.876882],[-114.503017,33.867998],[-114.514673,33.858638],[-114.52453,33.858477],[-114.529597,33.848063],[-114.520465,33.827778],[-114.527161,33.816191],[-114.504863,33.760465],[-114.504483,33.750998],[-114.512348,33.734214],[-114.496565,33.719155],[-114.494197,33.707922],[-114.495719,33.698454],[-114.523959,33.685879],[-114.531523,33.675108],[-114.525201,33.661583],[-114.530244,33.65014],[-114.526947,33.637534],[-114.529662,33.622794],[-114.524813,33.611351],[-114.540617,33.591412],[-114.5403,33.580615],[-114.524391,33.553683],[-114.558898,33.531819],[-114.560552,33.518272],[-114.569533,33.509219],[-114.591554,33.499443],[-114.622918,33.456561],[-114.627125,33.433554],[-114.635183,33.422726],[-114.652828,33.412922],[-114.687953,33.417944],[-114.701732,33.408388],[-114.725535,33.404056],[-114.708408,33.384147],[-114.698035,33.352442],[-114.707962,33.323421],[-114.731223,33.302434],[-114.723259,33.288079],[-114.684363,33.276025],[-114.672401,33.26047],[-114.689421,33.24525],[-114.674479,33.225504],[-114.678749,33.203448],[-114.675831,33.18152],[-114.679359,33.159519],[-114.703682,33.113769],[-114.706488,33.08816],[-114.68902,33.084036],[-114.686991,33.070969],[-114.674296,33.057171],[-114.673659,33.041897],[-114.662317,33.032671],[-114.64598,33.048903],[-114.618788,33.027202],[-114.589778,33.026228],[-114.575161,33.036542],[-114.52013,33.029984],[-114.502871,33.011153],[-114.492938,32.971781],[-114.476156,32.975168],[-114.467664,32.966861],[-114.469113,32.952673],[-114.48074,32.937027],[-114.47664,32.923628],[-114.462929,32.907944],[-114.468971,32.845155],[-114.494116,32.823288],[-114.510217,32.816417],[-114.530755,32.793485],[-114.532432,32.776923],[-114.526856,32.757094],[-114.539093,32.756949],[-114.539224,32.749812],[-114.564447,32.749554],[-114.564508,32.742298],[-114.581736,32.742321],[-114.581784,32.734946],[-114.612697,32.734516],[-114.618373,32.728245],[-114.688779,32.737675],[-114.701918,32.745548],[-114.719633,32.718763],[-116.04662,32.623353],[-117.124862,32.534156],[-117.136664,32.618754],[-117.168866,32.671952],[-117.196767,32.688851],[-117.213068,32.687751],[-117.236239,32.671353],[-117.246069,32.669352],[-117.25757,32.72605],[-117.25257,32.752949],[-117.25497,32.786948],[-117.26107,32.803148],[-117.280971,32.822247],[-117.28217,32.839547],[-117.27387,32.851447],[-117.26497,32.848947],[-117.25617,32.859447],[-117.25167,32.874346],[-117.25447,32.900146],[-117.28077,33.012343],[-117.315278,33.093504],[-117.328359,33.121842],[-117.362572,33.168437],[-117.469794,33.296417],[-117.50565,33.334063],[-117.547693,33.365491],[-117.59588,33.386629],[-117.607905,33.406317],[-117.645582,33.440728],[-117.684584,33.461927],[-117.691984,33.456627],[-117.715349,33.460556],[-117.726486,33.483427],[-117.784888,33.541525],[-117.814188,33.552224],[-117.840289,33.573523],[-117.87679,33.592322],[-117.927091,33.605521],[-117.940591,33.620021],[-118.000593,33.654319],[-118.029694,33.676418],[-118.088896,33.729817],[-118.132698,33.753217],[-118.180831,33.763072],[-118.187701,33.749218],[-118.181367,33.717367],[-118.207476,33.716905],[-118.258687,33.703741],[-118.317205,33.712818],[-118.360505,33.736817],[-118.385006,33.741417],[-118.396606,33.735917],[-118.411211,33.741985],[-118.428407,33.774715],[-118.405007,33.800215],[-118.394376,33.804289],[-118.392107,33.840915],[-118.460611,33.969111],[-118.482729,33.995912],[-118.519514,34.027509],[-118.543115,34.038508],[-118.569235,34.04164],[-118.609652,34.036424],[-118.668358,34.038887],[-118.706215,34.029383],[-118.744952,34.032103],[-118.783433,34.021543],[-118.805114,34.001239],[-118.854653,34.034215],[-118.928048,34.045847],[-118.938081,34.043383],[-119.004644,34.066231],[-119.037494,34.083111],[-119.088536,34.09831],[-119.109784,34.094566],[-119.130169,34.100102],[-119.18864,34.139005],[-119.216441,34.146105],[-119.257043,34.213304],[-119.278644,34.266902],[-119.290945,34.274902],[-119.313034,34.275689],[-119.337475,34.290576],[-119.370356,34.319486],[-119.388249,34.317398],[-119.42777,34.353016],[-119.461036,34.374064],[-119.536957,34.395495],[-119.559459,34.413395],[-119.616862,34.420995],[-119.638864,34.415696],[-119.671866,34.416096],[-119.688167,34.412497],[-119.684666,34.408297],[-119.709067,34.395397],[-119.729369,34.395897],[-119.794771,34.417597],[-119.835771,34.415796],[-119.853771,34.407996],[-119.873971,34.408795],[-119.925227,34.433931],[-119.956433,34.435288],[-120.008077,34.460447],[-120.038828,34.463434],[-120.088591,34.460208],[-120.141165,34.473405],[-120.25777,34.467451],[-120.295051,34.470623],[-120.341369,34.458789],[-120.471376,34.447846],[-120.47661,34.475131],[-120.511421,34.522953],[-120.581293,34.556959],[-120.622575,34.554017],[-120.637805,34.56622],[-120.645739,34.581035],[-120.640244,34.604406],[-120.60197,34.692095],[-120.60045,34.70464],[-120.614852,34.730709],[-120.62632,34.738072],[-120.637415,34.755895],[-120.616296,34.816308],[-120.610266,34.85818],[-120.616325,34.866739],[-120.639283,34.880413],[-120.647328,34.901133],[-120.670835,34.904115],[-120.63999,35.002963],[-120.629931,35.061515],[-120.630957,35.101941],[-120.644311,35.139616],[-120.651134,35.147768],[-120.662475,35.153357],[-120.675074,35.153061],[-120.698906,35.171192],[-120.714185,35.175998],[-120.74887,35.177795],[-120.754823,35.174701],[-120.756086,35.160459],[-120.760492,35.15971],[-120.778998,35.168897],[-120.786076,35.177666],[-120.856047,35.206487],[-120.89679,35.247877],[-120.862684,35.346776],[-120.866099,35.393045],[-120.884757,35.430196],[-120.907937,35.449069],[-120.946546,35.446715],[-120.969436,35.460197],[-121.003359,35.46071],[-121.101595,35.548814],[-121.126027,35.593058],[-121.143561,35.606046],[-121.166712,35.635399],[-121.251034,35.656641],[-121.284973,35.674109],[-121.289794,35.689428],[-121.314632,35.71331],[-121.315786,35.75252],[-121.332449,35.783106],[-121.388053,35.823483],[-121.413146,35.855316],[-121.439584,35.86695],[-121.462264,35.885618],[-121.461227,35.896906],[-121.472435,35.91989],[-121.4862,35.970348],[-121.503112,36.000299],[-121.531876,36.014368],[-121.574602,36.025156],[-121.590395,36.050363],[-121.592853,36.065062],[-121.606845,36.072065],[-121.618672,36.087767],[-121.629634,36.114452],[-121.680145,36.165818],[-121.717176,36.195146],[-121.779851,36.227407],[-121.797059,36.234211],[-121.813734,36.234235],[-121.826425,36.24186],[-121.851967,36.277831],[-121.874797,36.289064],[-121.888491,36.30281],[-121.894714,36.317806],[-121.892917,36.340428],[-121.905446,36.358269],[-121.903195,36.393603],[-121.914378,36.404344],[-121.91474,36.42589],[-121.9416,36.485602],[-121.938763,36.506423],[-121.944666,36.521861],[-121.925937,36.525173],[-121.932508,36.559935],[-121.942533,36.566435],[-121.957335,36.564482],[-121.978592,36.580488],[-121.970427,36.582754],[-121.941666,36.618059],[-121.93643,36.636746],[-121.923866,36.634559],[-121.890164,36.609259],[-121.889064,36.601759],[-121.860604,36.611136],[-121.831995,36.644856],[-121.814462,36.682858],[-121.807062,36.714157],[-121.805643,36.750239],[-121.788278,36.803994],[-121.809363,36.848654],[-121.862266,36.931552],[-121.894667,36.961851],[-121.930069,36.97815],[-121.95167,36.97145],[-121.972771,36.954151],[-122.012373,36.96455],[-122.023373,36.96215],[-122.027174,36.95115],[-122.050122,36.948523],[-122.105976,36.955951],[-122.155078,36.98085],[-122.20618,37.013949],[-122.252181,37.059448],[-122.284882,37.101747],[-122.306139,37.116383],[-122.337071,37.117382],[-122.337833,37.135936],[-122.359791,37.155574],[-122.367085,37.172817],[-122.390599,37.182988],[-122.405073,37.195791],[-122.407181,37.219465],[-122.419113,37.24147],[-122.411686,37.265844],[-122.40085,37.359225],[-122.423286,37.392542],[-122.443687,37.435941],[-122.452087,37.48054],[-122.472388,37.50054],[-122.493789,37.492341],[-122.499289,37.495341],[-122.516689,37.52134],[-122.519533,37.537302],[-122.513688,37.552239],[-122.517187,37.590637],[-122.501386,37.599637],[-122.494085,37.644035],[-122.496784,37.686433],[-122.514483,37.780829],[-122.50531,37.788312],[-122.485783,37.790629],[-122.478083,37.810828],[-122.463793,37.804653],[-122.407452,37.811441],[-122.398139,37.80563],[-122.385323,37.790724],[-122.375854,37.734979],[-122.356784,37.729505],[-122.361749,37.71501],[-122.370411,37.717572],[-122.391374,37.708331],[-122.387626,37.67906],[-122.374291,37.662206],[-122.3756,37.652389],[-122.387381,37.648462],[-122.386072,37.637662],[-122.35531,37.615736],[-122.358583,37.611155],[-122.373309,37.613773],[-122.378545,37.605592],[-122.360219,37.592501],[-122.317676,37.590865],[-122.305895,37.575484],[-122.262698,37.572866],[-122.214264,37.538505],[-122.196593,37.537196],[-122.194957,37.522469],[-122.168449,37.504143],[-122.155686,37.501198],[-122.140142,37.507907],[-122.127706,37.500053],[-122.111344,37.50758],[-122.111998,37.528851],[-122.147014,37.588411],[-122.145378,37.600846],[-122.152905,37.640771],[-122.163049,37.667933],[-122.246826,37.72193],[-122.257953,37.739601],[-122.257134,37.745001],[-122.242638,37.753744],[-122.253753,37.761218],[-122.293996,37.770416],[-122.330963,37.786035],[-122.33555,37.799538],[-122.333711,37.809797],[-122.323567,37.823214],[-122.303931,37.830087],[-122.301313,37.847758],[-122.310477,37.873938],[-122.309986,37.892755],[-122.32373,37.905845],[-122.33453,37.908791],[-122.35711,37.908791],[-122.367582,37.903882],[-122.385908,37.908136],[-122.39049,37.922535],[-122.413725,37.937262],[-122.430087,37.963115],[-122.415361,37.963115],[-122.399832,37.956009],[-122.367582,37.978168],[-122.361905,37.989991],[-122.367909,38.01253],[-122.340093,38.003694],[-122.321112,38.012857],[-122.300823,38.010893],[-122.283478,38.022674],[-122.262861,38.0446],[-122.273006,38.07438],[-122.314567,38.115287],[-122.366273,38.141467],[-122.39638,38.149976],[-122.403514,38.150624],[-122.409798,38.136231],[-122.439577,38.116923],[-122.454958,38.118887],[-122.489974,38.112014],[-122.483757,38.071762],[-122.499465,38.032165],[-122.497828,38.019402],[-122.481466,38.007621],[-122.462812,38.003367],[-122.452995,37.996167],[-122.448413,37.984713],[-122.456595,37.978823],[-122.471975,37.981768],[-122.488665,37.966714],[-122.487684,37.948716],[-122.479175,37.941516],[-122.48572,37.937589],[-122.499465,37.939225],[-122.503064,37.928753],[-122.478193,37.918608],[-122.471975,37.910427],[-122.472303,37.902573],[-122.458558,37.894064],[-122.448413,37.89341],[-122.438268,37.880974],[-122.45005,37.871157],[-122.462158,37.868866],[-122.480811,37.873448],[-122.479151,37.825428],[-122.505383,37.822128],[-122.548986,37.836227],[-122.561487,37.851827],[-122.584289,37.859227],[-122.60129,37.875126],[-122.656519,37.904519],[-122.682171,37.90645],[-122.70264,37.89382],[-122.727297,37.904626],[-122.736898,37.925825],[-122.766138,37.938004],[-122.783244,37.951334],[-122.797405,37.976657],[-122.821383,37.996735],[-122.856573,38.016717],[-122.882114,38.025273],[-122.939711,38.031908],[-122.956811,38.02872],[-122.981776,38.009119],[-122.97439,37.992429],[-123.024066,37.994878],[-123.011533,38.003438],[-122.99242,38.041758],[-122.960889,38.112962],[-122.949074,38.15406],[-122.953629,38.17567],[-122.965408,38.187113],[-122.968112,38.202428],[-122.993959,38.237602],[-122.968569,38.242879],[-122.967203,38.250691],[-122.977082,38.267902],[-122.986319,38.273164],[-123.002911,38.295708],[-123.024333,38.310573],[-123.038742,38.313576],[-123.051061,38.310693],[-123.053504,38.299385],[-123.063671,38.302178],[-123.074684,38.322574],[-123.068437,38.33521],[-123.068265,38.359865],[-123.128825,38.450418],[-123.202277,38.494314],[-123.249797,38.511045],[-123.287156,38.540223],[-123.331899,38.565542],[-123.343338,38.590008],[-123.371876,38.607235],[-123.398166,38.647044],[-123.441774,38.699744],[-123.461291,38.717001],[-123.514784,38.741966],[-123.541837,38.776764],[-123.579856,38.802835],[-123.58638,38.802857],[-123.605317,38.822765],[-123.647387,38.845472],[-123.659846,38.872529],[-123.71054,38.91323],[-123.725367,38.917438],[-123.726315,38.936367],[-123.738886,38.95412],[-123.729053,38.956667],[-123.711149,38.977316],[-123.6969,39.004401],[-123.690095,39.031157],[-123.693969,39.057363],[-123.713392,39.108422],[-123.721505,39.125327],[-123.737913,39.143442],[-123.742221,39.164885],[-123.765891,39.193657],[-123.774998,39.212083],[-123.777368,39.237214],[-123.787893,39.264327],[-123.803848,39.278771],[-123.803081,39.291747],[-123.811387,39.312825],[-123.808772,39.324368],[-123.822085,39.343857],[-123.826306,39.36871],[-123.81469,39.446538],[-123.766475,39.552803],[-123.787417,39.604552],[-123.782322,39.621486],[-123.792659,39.684122],[-123.808208,39.710715],[-123.829545,39.723071],[-123.838089,39.752409],[-123.839797,39.795637],[-123.851714,39.832041],[-123.907664,39.863028],[-123.930047,39.909697],[-123.954952,39.922373],[-123.980031,39.962458],[-124.035904,40.013319],[-124.056408,40.024305],[-124.068908,40.021307],[-124.079983,40.029773],[-124.080709,40.06611],[-124.110549,40.103765],[-124.187874,40.130542],[-124.214895,40.160902],[-124.296497,40.208816],[-124.320912,40.226617],[-124.327691,40.23737],[-124.34307,40.243979],[-124.363414,40.260974],[-124.363634,40.276212],[-124.347853,40.314634],[-124.362796,40.350046],[-124.365357,40.374855],[-124.373599,40.392923],[-124.391496,40.407047],[-124.409591,40.438076],[-124.38494,40.48982],[-124.383224,40.499852],[-124.387023,40.504954],[-124.382816,40.519],[-124.329404,40.61643],[-124.158322,40.876069],[-124.137066,40.925732],[-124.118147,40.989263],[-124.112165,41.028173],[-124.125448,41.048504],[-124.138217,41.054342],[-124.153622,41.05355],[-124.154513,41.087159],[-124.160556,41.099011],[-124.159065,41.121957],[-124.165414,41.129822],[-124.158539,41.143021],[-124.149674,41.140845],[-124.1438,41.144686],[-124.106986,41.229678],[-124.072294,41.374844],[-124.063076,41.439579],[-124.066057,41.470258],[-124.081427,41.511228],[-124.081987,41.547761],[-124.092404,41.553615],[-124.101123,41.569192],[-124.097385,41.585251],[-124.100961,41.602499],[-124.114413,41.616768],[-124.120225,41.640354],[-124.135552,41.657307],[-124.147412,41.717955],[-124.164716,41.740126],[-124.17739,41.745756],[-124.194953,41.736778],[-124.23972,41.7708],[-124.248704,41.771459],[-124.255994,41.783014],[-124.245027,41.7923],[-124.230678,41.818681],[-124.208439,41.888192],[-124.203402,41.940964],[-124.204948,41.983441],[-124.211605,41.99846],[-123.656998,41.995137],[-123.624554,41.999837],[-123.347562,41.999108],[-123.145959,42.009247],[-123.045254,42.003049],[-122.893961,42.002605],[-122.289533,42.007764]]]]},\"properties\":{\"name\":\"California\",\"nation\":\"USA  \"}}]}","volume":"56","noUsgsAuthors":false,"publicationDate":"2026-01-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Kean, Jason W. 0000-0003-3089-0369 jwkean@usgs.gov","orcid":"https://orcid.org/0000-0003-3089-0369","contributorId":1654,"corporation":false,"usgs":true,"family":"Kean","given":"Jason","email":"jwkean@usgs.gov","middleInitial":"W.","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":956597,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kostelnik, Jaime 0000-0002-1817-5461","orcid":"https://orcid.org/0000-0002-1817-5461","contributorId":300717,"corporation":false,"usgs":true,"family":"Kostelnik","given":"Jaime","email":"","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":956598,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70274077,"text":"70274077 - 2026 - Population densities and trends of landbirds in the National Park of American Samoa","interactions":[],"lastModifiedDate":"2026-02-23T16:05:35.510459","indexId":"70274077","displayToPublicDate":"2026-01-01T09:57:30","publicationYear":"2026","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesTitle":{"id":18517,"text":"Science Report","active":true,"publicationSubtype":{"id":1}},"seriesNumber":"NPS/SR-2026/377","title":"Population densities and trends of landbirds in the National Park of American Samoa","docAbstract":"<p>The National Park of American Samoa (NPSA), which protects some of the most intact tropical rainforest in the South Pacific, is exposed to recurring, intense tropical cyclones, including Tropical Cyclone Gita in 2018. In combination with other anthropogenic pressures, cyclones represent a potential source of disturbance to landbird populations, particularly native frugivorous and seed-dispersing species. Long-term monitoring provides a means to evaluate population trajectories following disturbance events and to identify potential management gaps. Landbird surveys were conducted in the Tutuila and Taʻū units of NPSA in 2011, 2018, and 2023 using point-transect distance sampling, with vegetation composition and structure quantified at each sampling station. Species-specific detection functions were fitted to count data to estimate densities by unit, with variance estimated using bootstrap procedures. Comparisons of 2018 and 2023 density estimates using two-sample z-tests indicated that changes in most landbird populations were inconclusive. Since 2018, increases in density were observed for the Pacific Imperial Pigeon (<i>Ducula pacifica</i>) and Crimson-crowned Fruit Dove (<i>Ptilinopus porphyraceus</i>) on Tutuila, while decreases were observed for the Pacific Kingfisher (<i>Todiramphus sacer</i>) on Tutuila, and for the Polynesian Wattled Honeyeater (<i>Foulehaio carunculatus</i>), Polynesian Starling (<i>Aplonis tabuensis</i>), and Samoan Starling (<i>Aplonis atrifusca</i>) on Taʻū. The Many-colored Fruit Dove (<i>Ptilinopus perousii</i>) remained rare in both units, and the Manuʻa Shrikebill (Clytorhynchus vitiensis powelli) was narrowly distributed on Taʻū, with insufficient detections of either species to estimate density. The cryptic Spotless Crake (<i>Zapornia tabuensis</i>) was detected only in 2018. Changes in tree canopy cover and height did not exhibit patterns clearly associated with a major disturbance event and likely reflected differences in sampling frames among surveys. Invasive non-native plants, most notably <i>Miconia crenata</i>, were widespread in both units. Although many landbird populations in NPSA remain abundant, inference from current monitoring is constrained by limited information on vital rates and species-specific responses to invasive species, disease, habitat change, and extreme weather. As climate change is projected to increase tropical cyclone intensity in the South Pacific, sustained monitoring and targeted management will be important for understanding and conserving landbird populations in American Samoa.&nbsp;</p>","language":"English","publisher":"National Park Service","doi":"10.36967/2316674","usgsCitation":"Hunt, N., Judge, S., Camp, R.J., 2026, Population densities and trends of landbirds in the National Park of American Samoa: Science Report NPS/SR-2026/377, xi, 79 p., https://doi.org/10.36967/2316674.","productDescription":"xi, 79 p.","ipdsId":"IP-174526","costCenters":[{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true}],"links":[{"id":500412,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"National Park of American Samoa, Ta'u, Tutuila","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -170.89596699989136,\n              -14.17346219088654\n            ],\n            [\n              -170.89596699989136,\n              -14.400947786592383\n            ],\n            [\n              -170.47894716767155,\n              -14.400947786592383\n            ],\n            [\n              -170.47894716767155,\n              -14.17346219088654\n            ],\n            [\n              -170.89596699989136,\n              -14.17346219088654\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    },\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -169.39051734301117,\n              -14.192613255926261\n            ],\n            [\n              -169.5245407615402,\n              -14.192613255926261\n            ],\n            [\n              -169.5245407615402,\n              -14.286383192427323\n            ],\n            [\n              -169.39051734301117,\n              -14.286383192427323\n            ],\n            [\n              -169.39051734301117,\n              -14.192613255926261\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Hunt, Noah J. 0009-0008-9859-7007","orcid":"https://orcid.org/0009-0008-9859-7007","contributorId":357746,"corporation":false,"usgs":false,"family":"Hunt","given":"Noah J.","affiliations":[{"id":13341,"text":"Hawai‘i Cooperative Studies Unit, University of Hawai‘i at Hilo","active":true,"usgs":false}],"preferred":false,"id":956451,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Judge, Seth 0000-0003-3832-3246","orcid":"https://orcid.org/0000-0003-3832-3246","contributorId":189965,"corporation":false,"usgs":false,"family":"Judge","given":"Seth","email":"","affiliations":[],"preferred":false,"id":956452,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Camp, Richard J. 0000-0001-7008-923X rick_camp@usgs.gov","orcid":"https://orcid.org/0000-0001-7008-923X","contributorId":189964,"corporation":false,"usgs":true,"family":"Camp","given":"Richard","email":"rick_camp@usgs.gov","middleInitial":"J.","affiliations":[{"id":5049,"text":"Pacific Islands Ecosys Research Center","active":true,"usgs":true},{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true}],"preferred":true,"id":956453,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70273960,"text":"70273960 - 2026 - Inventory of bat activity at Pearl Harbor National Memorial to inform historic preservation and compliance","interactions":[],"lastModifiedDate":"2026-02-19T15:55:47.256822","indexId":"70273960","displayToPublicDate":"2026-01-01T09:46:28","publicationYear":"2026","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":1,"text":"Federal Government Series"},"seriesTitle":{"id":18517,"text":"Science Report","active":true,"publicationSubtype":{"id":1}},"seriesNumber":"NPS/SR—2026/372","title":"Inventory of bat activity at Pearl Harbor National Memorial to inform historic preservation and compliance","docAbstract":"<p>We examined ‘ōpe‘ape‘a, or Hawaiian hoary bat (<i>Lasiurus semotus</i>; Chiroptera: Vespertilionidae), acoustic activity and surveyed potential roost trees at the Ford Island Chief Petty Officer’s (CPO) Bungalows Neighborhood of Pearl Harbor National Memorial (PERL) on the island of O‘ahu. We established four acoustic monitoring stations (PERL1–PERL4) that operated nightly to survey for ‘ōpe‘ape‘a echolocation activity from June to December 2024. Tree physiognomy data were collected at 12 potential roost trees and included tree species, tree height, diameter at breast height (DBH), percent canopy cover, distance to nearest tree, elevation, and canopy geometry. We collected 357,802 acoustic files over 672 station-nights across the four acoustic monitoring stations. ‘Ōpe‘ape‘a echolocation activity was detected over a total of 26 (4%) station-nights and during each month of the survey period except June. Echolocation activity peaked in September and October 2024, which is during the post-lactation and fledging period. These results represent a baseline for assessing ‘ōpe‘ape‘a acoustic activity and potential roosting resources in PERL.</p>","language":"English","publisher":"National Park Service","doi":"10.36967/2315870","usgsCitation":"Montoya-Aiona, K., and Courtot, K., 2026, Inventory of bat activity at Pearl Harbor National Memorial to inform historic preservation and compliance: Science Report NPS/SR—2026/372, vii, 15 p., https://doi.org/10.36967/2315870.","productDescription":"vii, 15 p.","ipdsId":"IP-180417","costCenters":[{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true}],"links":[{"id":500192,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Hawaii","otherGeospatial":"Ford Island, Oahu, Pearl Harbor National Memorial","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -157.94928573902297,\n              21.36946364709381\n            ],\n            [\n              -157.95797973585766,\n              21.372455995420424\n            ],\n            [\n              -157.96593473321434,\n              21.370101636011114\n            ],\n            [\n              -157.96985736216502,\n              21.36008134582263\n            ],\n            [\n              -157.96756993748758,\n              21.354279390445413\n            ],\n            [\n              -157.96142938298075,\n              21.35552956739673\n            ],\n            [\n              -157.95258348619797,\n              21.360177099234846\n            ],\n            [\n              -157.94928573902297,\n              21.36946364709381\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","noUsgsAuthors":false,"publicationDate":"2026-01-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Montoya-Aiona, Kristina 0000-0002-1776-5443 kmontoya-aiona@usgs.gov","orcid":"https://orcid.org/0000-0002-1776-5443","contributorId":5899,"corporation":false,"usgs":true,"family":"Montoya-Aiona","given":"Kristina","email":"kmontoya-aiona@usgs.gov","affiliations":[{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true},{"id":5049,"text":"Pacific Islands Ecosys Research Center","active":true,"usgs":true}],"preferred":true,"id":955926,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Courtot, Karen 0000-0002-8849-4054 kcourtot@usgs.gov","orcid":"https://orcid.org/0000-0002-8849-4054","contributorId":140002,"corporation":false,"usgs":true,"family":"Courtot","given":"Karen","email":"kcourtot@usgs.gov","affiliations":[{"id":5049,"text":"Pacific Islands Ecosys Research Center","active":true,"usgs":true},{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true}],"preferred":true,"id":955927,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70273935,"text":"70273935 - 2026 - Characterization and modeling approach for planning restoration strategies in a complex basin affected by acid mine drainage","interactions":[],"lastModifiedDate":"2026-02-18T14:55:47.849711","indexId":"70273935","displayToPublicDate":"2026-01-01T07:42:51","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2258,"text":"Journal of Environmental Management","active":true,"publicationSubtype":{"id":10}},"title":"Characterization and modeling approach for planning restoration strategies in a complex basin affected by acid mine drainage","docAbstract":"<p><span id=\"_mce_caret\" data-mce-bogus=\"1\" data-mce-type=\"format-caret\"><span>The management of acid mine drainage (AMD) impacted catchments, such as the Odiel River basin, in southwestern Spain, prioritizes reclamation to meet water resources needs. Assessing water composition across its watercourses is needed to identify major AMD contributors and potentially guide remediation efforts. An equilibrium-based mixing model was developed to simulate AMD pollutant load reductions and estimate the impact of selective restorations on water quality in the Odiel River, particularly at the planned Alcolea Reservoir near its outlet. Sampling under varying flow conditions (average vs. high flow) showed a reduction in acidity transport (from 54.0 to 42.5 ton/day), attributed to greater neutralization effects during high flows. Over 90&nbsp;% of metal-fluxes originate alone from the Riotinto (73.6&nbsp;%), Tharsis (14.5&nbsp;%), and San Telmo (5.00&nbsp;%) mining districts, among many other mines. While geochemical model estimates fit well with observed data (R</span><sup>2</sup><span>&nbsp;=&nbsp;0.99), some deviations in non-conservative constituents (i.e. pH, Fe and Al) were observed (R</span><sup>2</sup><span>&nbsp;=&nbsp;0.73–0.99), likely due to uncertainties in solubility constants and redox/Fe speciation. After evaluating model reliability, two reduction scenarios (50&nbsp;% and 100&nbsp;%) were applied to the three primary sources. Full removal of contamination could subtantially improve impounded reservoir water quality, with pH values of 4.93 and 7.64, and a net acidity between 8.75 and 4.63&nbsp;mg/L eq. CaCO</span><sub>3</sub><span>&nbsp;in both average and high flows, respectively. Such differences may be related to flow regime effects on water quality. However, a 50&nbsp;% reduction is insufficient to meet drinking or irrigation standards, highlighting the need for full and appropriate reclamation. The model offers a management tool for decision-making in the restoration of the Odiel River basin and could be transferable to similar AMD-affected basins worldwide.</span></span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.jenvman.2025.127486","usgsCitation":"Romero-Matos, J., Sánchez-López, L., León, R., Runkel, R.L., Nordstrom, D.K., Cánovas, C.R., Macías, F., and Nieto, J.M., 2026, Characterization and modeling approach for planning restoration strategies in a complex basin affected by acid mine drainage: Journal of Environmental Management, v. 397, 127486, 16 p., https://doi.org/10.1016/j.jenvman.2025.127486.","productDescription":"127486, 16 p.","ipdsId":"IP-178223","costCenters":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"links":[{"id":500250,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.jenvman.2025.127486","text":"Publisher Index Page"},{"id":500136,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Spain","otherGeospatial":"Odiel River basin, southwestern Spain","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -8.184000319431135,\n              37.77675639447594\n            ],\n            [\n              -8.184000319431135,\n              37.181601306712864\n            ],\n            [\n              -6.784070704852212,\n              37.181601306712864\n            ],\n            [\n              -6.784070704852212,\n              37.77675639447594\n            ],\n            [\n              -8.184000319431135,\n              37.77675639447594\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"397","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Romero-Matos, Jonatan","contributorId":366397,"corporation":false,"usgs":false,"family":"Romero-Matos","given":"Jonatan","affiliations":[{"id":87470,"text":"University of Huelva","active":true,"usgs":false}],"preferred":false,"id":955812,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Sánchez-López, Laura","contributorId":366398,"corporation":false,"usgs":false,"family":"Sánchez-López","given":"Laura","affiliations":[{"id":87470,"text":"University of Huelva","active":true,"usgs":false}],"preferred":false,"id":955813,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"León, Rafael","contributorId":366399,"corporation":false,"usgs":false,"family":"León","given":"Rafael","affiliations":[{"id":87470,"text":"University of Huelva","active":true,"usgs":false}],"preferred":false,"id":955814,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Runkel, Robert L. 0000-0003-3220-481X runkel@usgs.gov","orcid":"https://orcid.org/0000-0003-3220-481X","contributorId":685,"corporation":false,"usgs":true,"family":"Runkel","given":"Robert","email":"runkel@usgs.gov","middleInitial":"L.","affiliations":[{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":true,"id":955815,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Nordstrom, D. Kirk","contributorId":366400,"corporation":false,"usgs":false,"family":"Nordstrom","given":"D.","middleInitial":"Kirk","affiliations":[{"id":37374,"text":"Retired USGS","active":true,"usgs":false}],"preferred":false,"id":955816,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Cánovas, Carlos R.","contributorId":366401,"corporation":false,"usgs":false,"family":"Cánovas","given":"Carlos","middleInitial":"R.","affiliations":[{"id":87470,"text":"University of Huelva","active":true,"usgs":false}],"preferred":false,"id":955817,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Macías, Francisco","contributorId":366402,"corporation":false,"usgs":false,"family":"Macías","given":"Francisco","affiliations":[{"id":87470,"text":"University of Huelva","active":true,"usgs":false}],"preferred":false,"id":955818,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Nieto, José Miguel","contributorId":366403,"corporation":false,"usgs":false,"family":"Nieto","given":"José","middleInitial":"Miguel","affiliations":[{"id":87470,"text":"University of Huelva","active":true,"usgs":false}],"preferred":false,"id":955819,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":70273345,"text":"70273345 - 2026 - Capturing the uncertainty of seismicity observations in earthquake rate estimates: Implications for probabilistic seismic hazard analysis and the USGS National Seismic Hazard Model","interactions":[],"lastModifiedDate":"2026-04-06T15:42:10.531652","indexId":"70273345","displayToPublicDate":"2025-12-31T10:45:28","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1135,"text":"Bulletin of the Seismological Society of America","onlineIssn":"1943-3573","printIssn":"0037-1106","active":true,"publicationSubtype":{"id":10}},"title":"Capturing the uncertainty of seismicity observations in earthquake rate estimates: Implications for probabilistic seismic hazard analysis and the USGS National Seismic Hazard Model","docAbstract":"<p><span>The rate of earthquakes in a region is a fundamental input to Probabilistic Seismic Hazard Analysis. We present a Monte Carlo method for computing that rate from seismicity catalogs while including a range of data and analysis uncertainties. This method is applied to regions for which the&nbsp;</span><i>b</i><span>&nbsp;value is assumed to be spatially invariant. Each region is broken down into epochs for which each epoch is estimated to have a uniform magnitude of completeness (</span><span class=\"inline-formula no-formula-id\">⁠⁠<i>M</i><sub>c</sub></span><span>). The distribution of earthquake rates for <i>M</i> ≥ <span class=\"inline-formula no-formula-id\"><i>M</i><sub>c</sub></span></span><span>&nbsp;is determined for each epoch by considering the Poisson likelihood of rates given the number of observed earthquakes with <i>M</i> ≥ <span class=\"inline-formula no-formula-id\"><i>M</i><sub>c</sub></span></span><span class=\"inline-formula no-formula-id\">⁠</span><span>. We use a Monte Carlo process to include the uncertainty in&nbsp;</span><i>b</i><span>,&nbsp;</span><span class=\"inline-formula no-formula-id\">⁠<i>M</i><sub>c</sub></span><span>, and individual event magnitudes. The result for each epoch is the joint distribution of the Poisson rate of earthquakes with magnitudes larger than the minimum value used to calculate hazard (</span><span class=\"inline-formula no-formula-id\">⁠⁠<i>M</i><sub>1</sub></span><span>) and the Gutenberg–Richter&nbsp;</span><i>b</i><span>&nbsp;values, which control the extrapolation to other magnitudes. The rate for each region is either the duration‐weighted average over the epochs or, to better capture temporal variations, we also consider mixture models. The mixture models also provide an avenue to allow temporal variations in&nbsp;</span><i>b</i><span>&nbsp;values. To implement this joint distribution in a logic tree, we use the mean and 95% confidence branches, each of which is parameterized with an <i>M</i> ≥ <span class=\"inline-formula no-formula-id\"><i>M</i><sub>1</sub></span></span><span>&nbsp;rate and&nbsp;</span><i>b</i><span>&nbsp;value. We explore different ways of defining those branches, as well as non‐Gutenberg–Richter branches, and their impact on hazard estimates. The mean hazard, but not the fractiles, is robust with respect to these choices. To illustrate these new methods, we use synthetic data and catalogs from recent U.S. Geological Survey National Seismic Hazard Models for the Central and Eastern United States and for Puerto Rico and the U.S. Virgin Islands.</span></p>","language":"English","publisher":"Seismological Society of America","doi":"10.1785/0120240245","usgsCitation":"Michael, A.J., and Llenos, A.L., 2026, Capturing the uncertainty of seismicity observations in earthquake rate estimates: Implications for probabilistic seismic hazard analysis and the USGS National Seismic Hazard Model: Bulletin of the Seismological Society of America, v. 116, no. 2, p. 786-809, https://doi.org/10.1785/0120240245.","productDescription":"24 p.","startPage":"786","endPage":"809","ipdsId":"IP-171147","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":498394,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":498476,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1785/0120240245","text":"Publisher Index Page"}],"country":"United States","otherGeospatial":"central and eastern United States, Puerto Rico, U.S. Virgin Islands","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -67.78074090569169,\n              18.563253258174967\n            ],\n            [\n              -68.0988965908456,\n              17.877923675754772\n            ],\n            [\n              -65.79027508404809,\n              17.94024820912165\n            ],\n            [\n              -64.91802672378982,\n              17.61876483723642\n            ],\n            [\n              -64.54841087453303,\n              17.674241141684107\n            ],\n            [\n              -64.67276844737347,\n              18.36505205279029\n            ],\n            [\n              -64.85854582812973,\n              18.494803755055287\n            ],\n            [\n              -67.78074090569169,\n              18.563253258174967\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    },\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -103,\n              50\n            ],\n            [\n              -103,\n              24\n            ],\n            [\n              -60,\n              24\n            ],\n            [\n              -60,\n              50\n            ],\n            [\n              -103,\n              50\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"116","issue":"2","noUsgsAuthors":false,"publicationDate":"2025-12-31","publicationStatus":"PW","contributors":{"authors":[{"text":"Michael, Andrew J. 0000-0002-2403-5019 michael@usgs.gov","orcid":"https://orcid.org/0000-0002-2403-5019","contributorId":1280,"corporation":false,"usgs":true,"family":"Michael","given":"Andrew","email":"michael@usgs.gov","middleInitial":"J.","affiliations":[{"id":234,"text":"Earthquake Hazards Program","active":true,"usgs":true},{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":953399,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Llenos, Andrea L. 0000-0002-4088-6737 allenos@usgs.gov","orcid":"https://orcid.org/0000-0002-4088-6737","contributorId":4455,"corporation":false,"usgs":true,"family":"Llenos","given":"Andrea","email":"allenos@usgs.gov","middleInitial":"L.","affiliations":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"preferred":true,"id":953400,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70273310,"text":"70273310 - 2026 - Natural source zone depletion of crude oil in the subsurface: Processes controlling mass losses of individual compounds","interactions":[],"lastModifiedDate":"2026-01-06T15:55:04.61116","indexId":"70273310","displayToPublicDate":"2025-12-30T09:46:03","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3722,"text":"Water Resources Research","onlineIssn":"1944-7973","printIssn":"0043-1397","active":true,"publicationSubtype":{"id":10}},"title":"Natural source zone depletion of crude oil in the subsurface: Processes controlling mass losses of individual compounds","docAbstract":"<p><span>At many petroleum hydrocarbon spill sites, residual spilled product forms a long-term source of groundwater contamination. The phrase source zone natural depletion is used to refer to the mass loss rates. Overall mass lost under environmental conditions was analyzed using conservative biomarker concentrations for a 1979 oil spill in northern Minnesota, USA. After 40–41&nbsp;years, an average of 50% of the mass was lost with values ranging from 22% to 57% depending on location. It is also important to understand the composition changes in the source. To understand controls on the losses of individual compounds, concentrations of volatile hydrocarbons in oil samples were compared with aqueous solubilities, and pore-space oil saturations. The results of the comparison show that losses of the oil compounds were controlled by pore-space oil saturations, solubility, and susceptibility to degradation under methanogenic conditions. Compounds that degrade under methanogenic conditions, including toluene,&nbsp;</span><i>o</i><span>-xylene, and&nbsp;</span><i>n</i><span>-alkanes are more depleted compared to benzene, ethylbenzene, and&nbsp;</span><i>m</i><span>- and&nbsp;</span><i>p</i><span>-xylene for which losses are dominated by dissolution. These rates and compound-specific behaviors form a foundation for improved modeling approaches and risk analyses.</span></p>","language":"English","publisher":"American Geophysical Union","doi":"10.1029/2025WR041964","usgsCitation":"Bekins, B., and Herkelrath, W., 2026, Natural source zone depletion of crude oil in the subsurface: Processes controlling mass losses of individual compounds: Water Resources Research, v. 62, no. 1, e2025WR041964, 19 p., https://doi.org/10.1029/2025WR041964.","productDescription":"e2025WR041964, 19 p.","ipdsId":"IP-139177","costCenters":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true}],"links":[{"id":498472,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1029/2025wr041964","text":"Publisher Index Page"},{"id":498361,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Minnesota","otherGeospatial":"Bemidji crude oil site","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -95.0916,\n              47.5742\n            ],\n            [\n              -95.0916,\n              47.5733\n            ],\n            [\n              -95.0895,\n              47.5733\n            ],\n            [\n              -95.0895,\n              47.5742\n            ],\n            [\n              -95.0916,\n              47.5742\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"62","issue":"1","noUsgsAuthors":false,"publicationDate":"2025-12-30","publicationStatus":"PW","contributors":{"authors":[{"text":"Bekins, Barbara 0000-0002-1411-6018 babekins@usgs.gov","orcid":"https://orcid.org/0000-0002-1411-6018","contributorId":139407,"corporation":false,"usgs":true,"family":"Bekins","given":"Barbara","email":"babekins@usgs.gov","affiliations":[{"id":451,"text":"National Water Quality Assessment Program","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":953297,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Herkelrath, William 0000-0002-6149-5524","orcid":"https://orcid.org/0000-0002-6149-5524","contributorId":210576,"corporation":false,"usgs":true,"family":"Herkelrath","given":"William","affiliations":[{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":953298,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70273323,"text":"70273323 - 2026 - Effect of passive integrated transponder tag size on survival, tag loss, and growth of Santa Ana Sucker","interactions":[],"lastModifiedDate":"2026-02-09T16:20:17.765608","indexId":"70273323","displayToPublicDate":"2025-12-30T09:41:33","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2886,"text":"North American Journal of Fisheries Management","active":true,"publicationSubtype":{"id":10}},"title":"Effect of passive integrated transponder tag size on survival, tag loss, and growth of Santa Ana Sucker","docAbstract":"<div class=\" sec\"><div class=\"title\">Objective</div><p class=\"chapter-para\">The Santa Ana Sucker<span>&nbsp;</span><i>Pantosteus santaanae</i><span>&nbsp;</span>is endemic to southern California and is listed as threatened under the U.S. Endangered Species Act. Seasonal limitations on conventional sampling and inconsistencies in survey methodologies have led to an incomplete understanding of population dynamics. Alternative sampling methods have the potential to fill important knowledge gaps in biology and life history. One option is to use passive integrated transponder (PIT) tags to identify individuals and track their movements. The objective of this study was to test the effect of PIT tag size on survival, tag loss, and growth of Santa Ana Suckers.</p></div><div class=\" sec\"><div class=\"title\">Methods</div><p class=\"chapter-para\">Sixty-one Santa Ana Suckers were randomly assigned to one of three treatments (control:<span>&nbsp;</span><i>N</i><span>&nbsp;</span>= 20; 8-mm PIT tag:<span>&nbsp;</span><i>N</i><span>&nbsp;</span>= 21; or 12-mm PIT tag:<span>&nbsp;</span><i>N</i><span>&nbsp;</span>= 20). A full-duplex PIT tag was injected into each fish, and lengths (standard, fork, and total length) and weight were recorded. Fish remained in raceways for 36 d, after which they were retrieved, scanned, and remeasured.</p></div><div class=\" sec\"><div class=\"title\">Results</div><p class=\"chapter-para\">There were five fish mortalities within 48 h of tagging, resulting in an 87.8% overall survival rate. There were two fish mortalities from the 8-mm tag treatment and three mortalities from the 12-mm tag treatment. One fish from each tagging treatment lost their tag, resulting in a 5.6% overall tag loss rate. The Fisher’s exact test indicated no statistically significant difference in survival or tag loss between treatments. The ordinary least squares regression detected no effect of tag size on growth for Santa Ana Suckers.</p></div><div class=\" sec\"><div class=\"title\">Conclusions</div><p class=\"chapter-para\">Results suggest that 8- and 12-mm PIT tags are suitable options for tagging Santa Ana Suckers measuring at least 62 and 70 mm fork length, respectively. Supplementing the current sampling strategy with PIT tags could help monitoring efforts to expand spatially and temporally while providing expanded population data to inform adaptive management actions for the Santa Ana Sucker.</p></div>","language":"English","publisher":"Oxford Academic","doi":"10.1093/najfmt/vqaf109","usgsCitation":"Buxton, J., Wulff, M.L., Huntsman, B., Palenscar, K., Mills, B., Russell, K., Ruan, A., and Bui, T., 2026, Effect of passive integrated transponder tag size on survival, tag loss, and growth of Santa Ana Sucker: North American Journal of Fisheries Management, v. 46, no. 1, p. 369-375, https://doi.org/10.1093/najfmt/vqaf109.","productDescription":"7 p.","startPage":"369","endPage":"375","ipdsId":"IP-177703","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":498358,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":498471,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1093/najfmt/vqaf109","text":"Publisher Index Page"}],"volume":"46","issue":"1","noUsgsAuthors":false,"publicationDate":"2025-12-30","publicationStatus":"PW","contributors":{"authors":[{"text":"Buxton, Jordan Mae-Jean 0000-0002-7233-0944","orcid":"https://orcid.org/0000-0002-7233-0944","contributorId":316288,"corporation":false,"usgs":true,"family":"Buxton","given":"Jordan Mae-Jean","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":953330,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wulff, Marissa L. 0000-0003-0121-9066","orcid":"https://orcid.org/0000-0003-0121-9066","contributorId":229534,"corporation":false,"usgs":true,"family":"Wulff","given":"Marissa","email":"","middleInitial":"L.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":953331,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Huntsman, Brock 0000-0003-4090-1949","orcid":"https://orcid.org/0000-0003-4090-1949","contributorId":223101,"corporation":false,"usgs":true,"family":"Huntsman","given":"Brock","email":"","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":953332,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Palenscar, Kai","contributorId":297131,"corporation":false,"usgs":false,"family":"Palenscar","given":"Kai","email":"","affiliations":[{"id":64298,"text":"San Bernardino Valley Municipal Water District","active":true,"usgs":false}],"preferred":false,"id":953333,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Mills, Brett","contributorId":297135,"corporation":false,"usgs":false,"family":"Mills","given":"Brett","email":"","affiliations":[{"id":64299,"text":"Riverside-Corona Resource Conservation District","active":true,"usgs":false}],"preferred":false,"id":953334,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Russell, Kerwin","contributorId":297133,"corporation":false,"usgs":false,"family":"Russell","given":"Kerwin","email":"","affiliations":[{"id":64299,"text":"Riverside-Corona Resource Conservation District","active":true,"usgs":false}],"preferred":false,"id":953335,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Ruan, Alicia","contributorId":364856,"corporation":false,"usgs":false,"family":"Ruan","given":"Alicia","affiliations":[{"id":64299,"text":"Riverside-Corona Resource Conservation District","active":true,"usgs":false}],"preferred":false,"id":953336,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Bui, Tevin","contributorId":364858,"corporation":false,"usgs":false,"family":"Bui","given":"Tevin","affiliations":[{"id":64299,"text":"Riverside-Corona Resource Conservation District","active":true,"usgs":false}],"preferred":false,"id":953337,"contributorType":{"id":1,"text":"Authors"},"rank":8}]}}
,{"id":70273665,"text":"70273665 - 2026 - Landowners' cognitions and motivations coupled with practice durability influence persistence in grazing agricultural conservation practices in southwest Virginia","interactions":[],"lastModifiedDate":"2026-02-24T16:43:05.483909","indexId":"70273665","displayToPublicDate":"2025-12-29T08:52:29","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5803,"text":"Conservation Science and Practice","active":true,"publicationSubtype":{"id":10}},"title":"Landowners' cognitions and motivations coupled with practice durability influence persistence in grazing agricultural conservation practices in southwest Virginia","docAbstract":"<p><span id=\"_mce_caret\" data-mce-bogus=\"1\" data-mce-type=\"format-caret\"><span>Agricultural conservation practices are often used to protect stream health while continuing food production. However, recovery of stream health is often not as rapid or extensive as planned. The efficacy of practices may be improved by promoting their continued use by landowners (i.e., persistence) after cost-share contracts with government agencies end. Persistence rates and their drivers are typically unknown. Therefore, we mail-surveyed 889 landowners to understand persistence in grazing practices in southwest Virginia. Survey responses were analyzed quantitatively using logistic regression and qualitatively via coding. We found that persistence rates for vegetative practices, cattle-exclusion fencing, off-stream watering structures, and pasture management were 74%, 84%, 94%, and 94%, respectively. Both the quantitative and qualitative analyses indicated that landowner cognitions (i.e., attitudes toward practices, environment, and agencies), environmental motivations, and practice durability influence persistence. Our results highlight that persistence could be encouraged by: (1) providing targeted messaging that demonstrates persistence benefits and aligns with landowners' motivations, (2) ensuring that responsibility to maintain practices is transferred during land-tenure changes, and (3) allocating more agency funding to practice maintenance.</span></span></p>","language":"English","publisher":"Society for Conservation Biology","doi":"10.1111/csp2.70201","usgsCitation":"Mouser, J.B., Dayer, A.A., Ciparis, S., Bottenfield, S., and Angermeier, P., 2025, Landowners' cognitions and motivations coupled with practice durability influence persistence in grazing agricultural conservation practices in southwest Virginia: Conservation Science and Practice, e70201, 15 p., https://doi.org/10.1111/csp2.70201.","productDescription":"e70201, 15 p.","ipdsId":"IP-165843","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":498844,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":498939,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/csp2.70201","text":"Publisher Index Page"}],"country":"United States","state":"Virginia","otherGeospatial":"southwest Virginia","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -82.90759974813469,\n              36.538485100358656\n            ],\n            [\n              -81.74021235758092,\n              36.86345360817941\n            ],\n            [\n              -81.86094324712056,\n              37.15010067210214\n            ],\n            [\n              -83.04433182206326,\n              36.866145988606135\n            ],\n            [\n              -82.90759974813469,\n              36.538485100358656\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"8","issue":"2","noUsgsAuthors":false,"publicationDate":"2025-12-29","publicationStatus":"PW","contributors":{"authors":[{"text":"Mouser, Joshua B.","contributorId":365374,"corporation":false,"usgs":false,"family":"Mouser","given":"Joshua","middleInitial":"B.","affiliations":[{"id":12694,"text":"Virginia Tech","active":true,"usgs":false}],"preferred":false,"id":954234,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Dayer, Ashley A.","contributorId":365375,"corporation":false,"usgs":false,"family":"Dayer","given":"Ashley","middleInitial":"A.","affiliations":[{"id":12694,"text":"Virginia Tech","active":true,"usgs":false}],"preferred":false,"id":954235,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ciparis, Serena","contributorId":203242,"corporation":false,"usgs":false,"family":"Ciparis","given":"Serena","affiliations":[{"id":16956,"text":"US Fish & Wildlife Service","active":true,"usgs":false}],"preferred":false,"id":954236,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bottenfield, Sara","contributorId":365376,"corporation":false,"usgs":false,"family":"Bottenfield","given":"Sara","affiliations":[{"id":87133,"text":"Department of Conservation and Recreation","active":true,"usgs":false}],"preferred":false,"id":954237,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Angermeier, Paul L. 0000-0003-2864-170X","orcid":"https://orcid.org/0000-0003-2864-170X","contributorId":204519,"corporation":false,"usgs":true,"family":"Angermeier","given":"Paul L.","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":true,"id":954238,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70273351,"text":"70273351 - 2026 - Toward an efficient framework for remote sensing of river bathymetry: Comparing sensors and algorithms on an inaccessible proglacial river in Alaska","interactions":[],"lastModifiedDate":"2026-01-09T17:12:25.941374","indexId":"70273351","displayToPublicDate":"2025-12-27T11:01:08","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1801,"text":"Geomorphology","active":true,"publicationSubtype":{"id":10}},"title":"Toward an efficient framework for remote sensing of river bathymetry: Comparing sensors and algorithms on an inaccessible proglacial river in Alaska","docAbstract":"<p><span>Remote sensing can provide reliable information on river depths and this approach might be particularly valuable in areas that are difficult to survey via conventional field methods. In this study, we assessed the potential to map the bathymetry of an inaccessible proglacial river in Alaska from both aerial orthophotos and a multispectral satellite image. In addition, we evaluated a variety of depth retrieval algorithms with different input data requirements, including some methods that require field measurements of water depth for calibration and other techniques that can be applied even when such field data are not available. These approaches might enable more efficient use of remote sensing methods by resource management agencies. Our results suggest that bathymetric mapping along the turquoise-colored river we examined was not only feasible but highly accurate (</span><span class=\"math\"><span id=\"MathJax-Element-1-Frame\" class=\"MathJax_SVG\" data-mathml=\"&lt;math xmlns=&quot;http://www.w3.org/1998/Math/MathML&quot;&gt;&lt;msup is=&quot;true&quot;&gt;&lt;mrow is=&quot;true&quot;&gt;&lt;mi is=&quot;true&quot;&gt;R&lt;/mi&gt;&lt;/mrow&gt;&lt;mrow is=&quot;true&quot;&gt;&lt;mn is=&quot;true&quot;&gt;2&lt;/mn&gt;&lt;/mrow&gt;&lt;/msup&gt;&lt;/math&gt;\"></span></span><span> <i>R</i><sup>2 </sup>up to 0.94) for both types of image data. Algorithms that use paired observations of depth and reflectance to train depth retrieval models were the most accurate, with errors on the order of 15%–20% and little or no bias. Alternative techniques based on hydraulic and statistical concepts also led to strong agreement between predicted and observed depths but were more susceptible to systematic biases toward under- or over-estimation of depth. In contrast to clear-flowing streams, bathymetric mapping in this environment was enabled by a direct relationship between the depth and brightness of the water due to scattering by suspended sediment. In selecting an appropriate depth retrieval method, a compromise might need to be reached between the level of field effort invested and the accuracy of the resulting image-derived bathymetry. Standalone software for implementing these techniques is freely available.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.geomorph.2025.110140","usgsCitation":"Legleiter, C.J., Leonard, C.M., Burger, P.A., Pletcher, A.G., and Kinzel, P.J., 2026, Toward an efficient framework for remote sensing of river bathymetry: Comparing sensors and algorithms on an inaccessible proglacial river in Alaska: Geomorphology, v. 495, 110140, 24 p., https://doi.org/10.1016/j.geomorph.2025.110140.","productDescription":"110140, 24 p.","ipdsId":"IP-179757","costCenters":[{"id":37786,"text":"WMA - Observing Systems Division","active":true,"usgs":true}],"links":[{"id":498513,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United states","state":"Alaska","otherGeospatial":"Mulchatna River","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -154.00824680332022,\n              60.789825438561536\n            ],\n            [\n              -154.09788058802903,\n              60.789825438561536\n            ],\n            [\n              -154.09788058802903,\n              60.770469283939605\n            ],\n            [\n              -154.00824680332022,\n              60.770469283939605\n            ],\n            [\n              -154.00824680332022,\n              60.789825438561536\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"495","noUsgsAuthors":false,"publicationDate":"2025-12-27","publicationStatus":"PW","contributors":{"authors":[{"text":"Legleiter, Carl J. 0000-0003-0940-8013 cjl@usgs.gov","orcid":"https://orcid.org/0000-0003-0940-8013","contributorId":169002,"corporation":false,"usgs":true,"family":"Legleiter","given":"Carl","email":"cjl@usgs.gov","middleInitial":"J.","affiliations":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true},{"id":37778,"text":"WMA - Integrated Modeling and Prediction Division","active":true,"usgs":true}],"preferred":true,"id":953420,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Leonard, Christina M. 0000-0002-5096-8103","orcid":"https://orcid.org/0000-0002-5096-8103","contributorId":360578,"corporation":false,"usgs":false,"family":"Leonard","given":"Christina","middleInitial":"M.","affiliations":[{"id":36189,"text":"National Park Service","active":true,"usgs":false}],"preferred":false,"id":953421,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Burger, Paul A. 0009-0005-7135-8290","orcid":"https://orcid.org/0009-0005-7135-8290","contributorId":360579,"corporation":false,"usgs":false,"family":"Burger","given":"Paul","middleInitial":"A.","affiliations":[{"id":36189,"text":"National Park Service","active":true,"usgs":false}],"preferred":false,"id":953422,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Pletcher, Addison G. 0009-0002-3775-0852","orcid":"https://orcid.org/0009-0002-3775-0852","contributorId":360580,"corporation":false,"usgs":false,"family":"Pletcher","given":"Addison","middleInitial":"G.","affiliations":[{"id":36189,"text":"National Park Service","active":true,"usgs":false}],"preferred":false,"id":953423,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Kinzel, Paul J. 0000-0002-6076-9730 pjkinzel@usgs.gov","orcid":"https://orcid.org/0000-0002-6076-9730","contributorId":743,"corporation":false,"usgs":true,"family":"Kinzel","given":"Paul","email":"pjkinzel@usgs.gov","middleInitial":"J.","affiliations":[{"id":5044,"text":"National Research Program - Central Branch","active":true,"usgs":true},{"id":37778,"text":"WMA - Integrated Modeling and Prediction Division","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true},{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true}],"preferred":true,"id":953424,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70273358,"text":"70273358 - 2026 - Ecovoltaic solar energy development effects to microclimate, temperature, and soil moisture in panel array interspaces in a warm desert","interactions":[],"lastModifiedDate":"2026-01-09T16:31:01.019143","indexId":"70273358","displayToPublicDate":"2025-12-24T10:26:02","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2258,"text":"Journal of Environmental Management","active":true,"publicationSubtype":{"id":10}},"title":"Ecovoltaic solar energy development effects to microclimate, temperature, and soil moisture in panel array interspaces in a warm desert","docAbstract":"<p><span>Solar energy development is increasing in warm deserts of the southwestern United States, and ecovoltaics has emerged as an approach to maintain ecosystem function within solar facilities while meeting increasing regional energy demands. The Solar Gemini Project, located in the northeastern Mojave Desert, USA, is one of largest photovoltaic facilities incorporating an ecovoltaics approach, including novel installation practices to reduce disturbance to soil and vegetation and solar tracking bifacial photovoltaic panels to maximize energy generation. To further understand the influence of the facility on environmental conditions, we compared microclimate, temperature, and soil moisture in bare soil interspaces between panel arrays inside the facility to undisturbed desert in nearby areas outside the facility from June 2023–February 2025. Our comparisons included different seasons (summer versus winter), soil depth (shallow versus deep), and facility operation (inactive versus active panels with solar-tracking). We found lower solar radiation, wind speed, and evaporative demand inside the facility compared to outside the facility, with greater differences when panels were actively tracking. When panels were active, air temperature inside and outside the facility was similar on average, but was higher inside the facility during the day and lower at night. Soil surface temperature was lower inside the facility due to panel shading in the morning and evening, whereas soil temperature (0–15&nbsp;cm) was consistently higher inside the facility. Soil moisture was higher inside the facility and did not drop to the low levels observed outside the facility. In total, we found lower evaporative demand, less heat loading, and higher soil moisture inside the Gemini facility, potentially benefitting flora and fauna in the harsh desert landscape. Yet, we also found daytime increases in air and soil surface temperature inside the facility, and persistent increases to soil temperature. These findings highlight the potentially positive and negative environmental changes associated with ecovoltaics solar energy development in warm deserts and provide evidence that can inform the optimization of solar photovoltaics design and management.</span></p>","language":"English","publisher":"Elsevier","doi":"10.1016/j.jenvman.2025.128436","usgsCitation":"Pinos, J., Munson, S.M., Karban, C.C., and Petrie, M.D., 2026, Ecovoltaic solar energy development effects to microclimate, temperature, and soil moisture in panel array interspaces in a warm desert: Journal of Environmental Management, v. 398, 128436, 13 p., https://doi.org/10.1016/j.jenvman.2025.128436.","productDescription":"128436, 13 p.","ipdsId":"IP-180614","costCenters":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"links":[{"id":498510,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Nevada","otherGeospatial":"Gemini Solar Project facilty","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -114.80278104138198,\n              36.49946370519997\n            ],\n            [\n              -114.80278104138198,\n              36.399575927541804\n            ],\n            [\n              -114.71715812361246,\n              36.399575927541804\n            ],\n            [\n              -114.71715812361246,\n              36.49946370519997\n            ],\n            [\n              -114.80278104138198,\n              36.49946370519997\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"398","noUsgsAuthors":false,"publicationDate":"2025-12-24","publicationStatus":"PW","contributors":{"authors":[{"text":"Pinos, Juan","contributorId":357729,"corporation":false,"usgs":false,"family":"Pinos","given":"Juan","affiliations":[{"id":85544,"text":"School of Life Sciences, University of Nevada Las Vegas, Las Vegas, Nevada 89154, USA","active":true,"usgs":false}],"preferred":false,"id":953429,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Munson, Seth M. 0000-0002-2736-6374 smunson@usgs.gov","orcid":"https://orcid.org/0000-0002-2736-6374","contributorId":220026,"corporation":false,"usgs":true,"family":"Munson","given":"Seth","email":"smunson@usgs.gov","middleInitial":"M.","affiliations":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":true,"id":953430,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Karban, Claire C 0000-0002-6157-031X","orcid":"https://orcid.org/0000-0002-6157-031X","contributorId":344987,"corporation":false,"usgs":true,"family":"Karban","given":"Claire","email":"","middleInitial":"C","affiliations":[{"id":568,"text":"Southwest Biological Science Center","active":true,"usgs":true}],"preferred":true,"id":953431,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Petrie, Matthew D.","contributorId":364911,"corporation":false,"usgs":false,"family":"Petrie","given":"Matthew","middleInitial":"D.","affiliations":[{"id":87009,"text":"School of Life Sciences, University of Nevada Las Vegas, Las Vegas, NV, USA","active":true,"usgs":false}],"preferred":false,"id":953432,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70274529,"text":"70274529 - 2026 - Using a BACI design to assess stream ecology and chemistry response after wildfire","interactions":[],"lastModifiedDate":"2026-03-31T20:35:52.784577","indexId":"70274529","displayToPublicDate":"2025-12-23T15:33:16","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1699,"text":"Freshwater Science","active":true,"publicationSubtype":{"id":10}},"title":"Using a BACI design to assess stream ecology and chemistry response after wildfire","docAbstract":"<p><span>Wildfires can have complex effects on aquatic communities, which can be either beneficial or adverse depending on the setting. In California, USA, the size, frequency, and severity of wildfires has greatly increased over the last few decades. Understanding the effects of fire on aquatic ecosystem health and human land use has become increasingly important in managing the interface of the natural and urban landscape. In this study, we used a before–after control–impact (BACI) study design to test for differences in bed sediment chemistry, water chemistry, benthic algal biomass, and benthic macroinvertebrate communities between burned and unburned (control) watersheds, pre- and post-fire, using data collected before and after California’s 2017 Atlas, Nuns, and Tubbs wildfires. We found a treatment effect (burned vs control) on water chemistry, sediment trace-metal concentrations, algae, and community structure of benthic macroinvertebrates, but we found no evidence of an interaction between time period (pre- vs post-fire) and treatment. Both the difference in environmental factors between our control and burned sample sites and the proximity and degree of wildfire burn severity may have contributed to the results of this BACI study. Our results also highlight the importance of including control sites when assessing the effects of discrete disturbances, such as wildfire, to avoid spurious conclusions of disturbance effects that may be attributable to innate ecological variability.</span></p>","language":"English","publisher":"University of Chicago Press Journals","doi":"10.1086/738617","usgsCitation":"Wulff, M.L., May, J.T., Huntsman, B., Waite, I.R., and Brown, L.M., 2026, Using a BACI design to assess stream ecology and chemistry response after wildfire: Freshwater Science, v. 45, no. 1, p. 1-17, https://doi.org/10.1086/738617.","productDescription":"17 p.","startPage":"1","endPage":"17","ipdsId":"IP-120766","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":501881,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"45","issue":"1","noUsgsAuthors":false,"publicationDate":"2025-12-23","publicationStatus":"PW","contributors":{"authors":[{"text":"Wulff, Marissa L. 0000-0003-0121-9066","orcid":"https://orcid.org/0000-0003-0121-9066","contributorId":229534,"corporation":false,"usgs":true,"family":"Wulff","given":"Marissa","email":"","middleInitial":"L.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":958089,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"May, Jason T.","contributorId":368915,"corporation":false,"usgs":false,"family":"May","given":"Jason","middleInitial":"T.","affiliations":[{"id":34135,"text":"USGS (deceased)","active":true,"usgs":false}],"preferred":false,"id":958090,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Huntsman, Brock 0000-0003-4090-1949","orcid":"https://orcid.org/0000-0003-4090-1949","contributorId":223101,"corporation":false,"usgs":true,"family":"Huntsman","given":"Brock","email":"","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":958091,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Waite, Ian R. 0000-0003-1681-6955 iwaite@usgs.gov","orcid":"https://orcid.org/0000-0003-1681-6955","contributorId":616,"corporation":false,"usgs":true,"family":"Waite","given":"Ian","email":"iwaite@usgs.gov","middleInitial":"R.","affiliations":[{"id":518,"text":"Oregon Water Science Center","active":true,"usgs":true}],"preferred":true,"id":958092,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Brown, Larry M.","contributorId":184044,"corporation":false,"usgs":false,"family":"Brown","given":"Larry","email":"","middleInitial":"M.","affiliations":[],"preferred":false,"id":958093,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}}
,{"id":70273344,"text":"70273344 - 2026 - Between a rock and a hard place: Experiences of the chronic wasting disease management community","interactions":[],"lastModifiedDate":"2026-04-20T15:48:42.019373","indexId":"70273344","displayToPublicDate":"2025-12-23T10:20:06","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":23122,"text":"Journal of Society and Natural Resources","active":true,"publicationSubtype":{"id":10}},"title":"Between a rock and a hard place: Experiences of the chronic wasting disease management community","docAbstract":"<p><span>Chronic wasting disease (CWD) is a widespread and incurable cervid disease. Despite continuing investments, the logistical challenges of CWD have required wildlife managers and researchers to navigate changing priorities with conflicting public perceptions. When overcoming difficult management problems, leveraging exploratory methods may identify previously unrecognized hypotheses. In this study, we interviewed wildlife managers and researchers to describe the diverse experiences of experts in the CWD management community. Our study asked about common management strategies used, challenges experienced, and attempted to understand how decision-making in CWD management is shaped and constrained. Our study participants experienced a wide range of constraining factors, primarily related to external influences. We also identified connections between these constraints and a common concern for staff and public burnout. The results of this study provide insight on constraints limiting CWD management success and possible explanations for some commonly recognized challenges resulting from social and ecological interactions.</span></p>","language":"English","publisher":"Taylor & Francis","doi":"10.1080/08941920.2025.2562402","usgsCitation":"Roan, P., Milley, B., and Cole, N.W., 2026, Between a rock and a hard place: Experiences of the chronic wasting disease management community: Journal of Society and Natural Resources, v. 39, no. 4, p. 557-576, https://doi.org/10.1080/08941920.2025.2562402.","productDescription":"20 p.","startPage":"557","endPage":"576","ipdsId":"IP-168553","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":498385,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":498474,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1080/08941920.2025.2562402","text":"Publisher Index Page"}],"volume":"39","issue":"4","noUsgsAuthors":false,"publicationDate":"2025-12-23","publicationStatus":"PW","contributors":{"authors":[{"text":"Roan, Patrick 0009-0003-0873-5060","orcid":"https://orcid.org/0009-0003-0873-5060","contributorId":364899,"corporation":false,"usgs":false,"family":"Roan","given":"Patrick","affiliations":[{"id":87000,"text":"Contracted by the US Geological Survey","active":true,"usgs":false}],"preferred":false,"id":953396,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Milley, Brad","contributorId":364900,"corporation":false,"usgs":false,"family":"Milley","given":"Brad","affiliations":[{"id":6661,"text":"US Fish and Wildlife Service","active":true,"usgs":false}],"preferred":false,"id":953397,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cole, Nicholas W. 0000-0003-1204-971X","orcid":"https://orcid.org/0000-0003-1204-971X","contributorId":278636,"corporation":false,"usgs":true,"family":"Cole","given":"Nicholas","email":"","middleInitial":"W.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":953398,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}}
,{"id":70273255,"text":"70273255 - 2026 - A 10-year continuous daily simulation of chloride flux from a suburban watershed in Fairfax County, Virginia, USA","interactions":[],"lastModifiedDate":"2025-12-29T15:17:40.106052","indexId":"70273255","displayToPublicDate":"2025-12-23T09:14:45","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3709,"text":"Water","active":true,"publicationSubtype":{"id":10}},"title":"A 10-year continuous daily simulation of chloride flux from a suburban watershed in Fairfax County, Virginia, USA","docAbstract":"<p><span>Increasing levels of chloride in surface water are associated with detrimental effects on water quality, aquatic ecosystems, infrastructure, and human health. Numerous mass-balance studies have inferred watershed transport processes by interpreting chloride inputs and outputs, but few represent internal dynamics explicitly. We constructed a coupled water/chloride mass balance model to gain insights into storage, residence time, and transport processes in a 10-km</span><sup>2</sup><span>&nbsp;urban watershed. The model, which operates over a 10-year period at a daily time scale, represents storage in a dynamic soil-moisture reservoir, quick-flow runoff from storm events, and slow-flow runoff that sustains streamflow in dry weather. The calibrated model accurately represented (a)the observed transition from a streamflow enrichment regime in cold months to a dilution regime in warmer months, (b) the observed tendency for late-summer concentrations to be higher after winters with heavy snowfall, and (c) a period-of-record downward trend in chloride concentration likely associated with a downward trend in annual snowfall. Estimated chloride inputs averaged 195 metric tons per year, while the average output was 270 metric tons per year. In contrast, estimated storage was only 107 metric tons. The estimated mean residence time in groundwater was 1.27 years. This short residence time indicates that efforts to reduce inputs will manifest as decreased concentrations in streamflow on a management-relevant time scale of several years. The coupled mass balance model yielded insights into internal watershed dynamics that would not be possible from simple input/output analysis; such models can be useful tools for gaining insight into small watershed hydrology and pollutant transport.</span></p>","language":"English","publisher":"MDPI","doi":"10.3390/w18010043","usgsCitation":"Chanat, J.G., and Custer, C.A., 2026, A 10-year continuous daily simulation of chloride flux from a suburban watershed in Fairfax County, Virginia, USA: Water, v. 18, no. 1, 43, 25 p., https://doi.org/10.3390/w18010043.","productDescription":"43, 25 p.","ipdsId":"IP-184027","costCenters":[{"id":37759,"text":"VA/WV Water Science Center","active":true,"usgs":true}],"links":[{"id":498300,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.3390/w18010043","text":"Publisher Index Page"},{"id":498099,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Virginia","county":"Fairfax County","geographicExtents":"{\"type\":\"FeatureCollection\",\"features\":[{\"type\":\"Feature\",\"geometry\":{\"type\":\"Polygon\",\"coordinates\":[[[-77.1702,38.9682],[-77.1624,38.9678],[-77.16,38.9678],[-77.1553,38.9674],[-77.1548,38.9674],[-77.1488,38.9646],[-77.1472,38.9636],[-77.1455,38.9622],[-77.1413,38.9584],[-77.1409,38.958],[-77.1361,38.9523],[-77.1352,38.9507],[-77.1343,38.9488],[-77.1341,38.9482],[-77.1323,38.9455],[-77.1308,38.9438],[-77.1294,38.9423],[-77.1279,38.9411],[-77.1258,38.9391],[-77.1234,38.9365],[-77.1229,38.936],[-77.1253,38.9296],[-77.1277,38.9279],[-77.1611,38.9018],[-77.172,38.8934],[-77.1891,38.896],[-77.1916,38.891],[-77.1941,38.8861],[-77.1896,38.8783],[-77.1878,38.8787],[-77.1807,38.8795],[-77.1778,38.8794],[-77.1736,38.8789],[-77.1631,38.8751],[-77.1579,38.8731],[-77.1549,38.8726],[-77.1537,38.8731],[-77.1531,38.8731],[-77.1519,38.8735],[-77.1502,38.8735],[-77.1496,38.8739],[-77.1495,38.8757],[-77.1104,38.8437],[-77.1277,38.8372],[-77.1416,38.827],[-77.1423,38.8239],[-77.1432,38.8148],[-77.1445,38.8103],[-77.139,38.798],[-77.1153,38.8021],[-77.084,38.801],[-77.0723,38.7971],[-77.0618,38.7947],[-77.0554,38.7921],[-77.0556,38.792],[-77.0523,38.7886],[-77.0523,38.7876],[-77.0529,38.787],[-77.0535,38.7862],[-77.0537,38.7837],[-77.0533,38.7827],[-77.0503,38.7797],[-77.0495,38.7787],[-77.049,38.7784],[-77.0479,38.7766],[-77.0482,38.7763],[-77.0492,38.7714],[-77.0489,38.7717],[-77.0486,38.7717],[-77.0481,38.7711],[-77.0481,38.7717],[-77.0478,38.7725],[-77.0478,38.7728],[-77.0481,38.7731],[-77.0475,38.7733],[-77.0461,38.7733],[-77.0444,38.7717],[-77.0444,38.7711],[-77.0453,38.7703],[-77.0456,38.7703],[-77.0458,38.77],[-77.0461,38.77],[-77.0467,38.7694],[-77.0472,38.7694],[-77.0475,38.7692],[-77.0481,38.7692],[-77.0483,38.7694],[-77.0486,38.7692],[-77.0492,38.7689],[-77.0489,38.7686],[-77.0486,38.7687],[-77.0481,38.7683],[-77.0471,38.7668],[-77.0471,38.7655],[-77.0475,38.7625],[-77.0469,38.7619],[-77.0469,38.7617],[-77.0467,38.7608],[-77.0469,38.7606],[-77.0469,38.76],[-77.0472,38.7597],[-77.0475,38.7597],[-77.0481,38.7592],[-77.0483,38.7592],[-77.0467,38.7579],[-77.0464,38.7571],[-77.0474,38.7549],[-77.0472,38.7544],[-77.0459,38.7526],[-77.0461,38.7521],[-77.0466,38.7517],[-77.0476,38.7508],[-77.0475,38.7504],[-77.0472,38.7494],[-77.0434,38.7444],[-77.0423,38.741],[-77.0431,38.7388],[-77.0428,38.7384],[-77.042,38.7368],[-77.0414,38.7304],[-77.0416,38.7274],[-77.0416,38.7267],[-77.0417,38.725],[-77.0426,38.7206],[-77.0445,38.7168],[-77.0459,38.7149],[-77.0526,38.7105],[-77.064,38.7099],[-77.0646,38.71],[-77.0657,38.7102],[-77.0669,38.71],[-77.0675,38.71],[-77.0692,38.7099],[-77.0728,38.7106],[-77.0733,38.7106],[-77.0742,38.7114],[-77.0739,38.7117],[-77.0747,38.7125],[-77.075,38.7125],[-77.0753,38.7128],[-77.0764,38.7128],[-77.0767,38.7129],[-77.0792,38.7125],[-77.0803,38.7087],[-77.0807,38.7084],[-77.0851,38.7066],[-77.0993,38.6985],[-77.1015,38.6981],[-77.1041,38.6976],[-77.107,38.6975],[-77.109,38.6976],[-77.1097,38.6977],[-77.111,38.6981],[-77.117,38.6995],[-77.1177,38.6997],[-77.1191,38.7001],[-77.1197,38.7005],[-77.12,38.7011],[-77.121,38.7029],[-77.1215,38.7033],[-77.1221,38.7036],[-77.1231,38.7043],[-77.1238,38.7051],[-77.1244,38.7053],[-77.1251,38.7053],[-77.129,38.7052],[-77.1296,38.7048],[-77.1299,38.7043],[-77.1299,38.7038],[-77.1297,38.7033],[-77.1289,38.7025],[-77.1275,38.7014],[-77.1273,38.7008],[-77.1269,38.6995],[-77.126,38.6985],[-77.125,38.6974],[-77.1232,38.6936],[-77.1228,38.6915],[-77.1224,38.6901],[-77.1222,38.687],[-77.1222,38.6864],[-77.1329,38.6739],[-77.135,38.6734],[-77.1365,38.6731],[-77.1369,38.6732],[-77.1382,38.6737],[-77.1391,38.6736],[-77.1398,38.6724],[-77.1441,38.6753],[-77.1452,38.676],[-77.1481,38.6776],[-77.1487,38.6778],[-77.153,38.6791],[-77.1536,38.6794],[-77.1538,38.6798],[-77.1535,38.6802],[-77.1532,38.6816],[-77.1537,38.6819],[-77.1545,38.6818],[-77.1551,38.6816],[-77.1557,38.6816],[-77.1562,38.6819],[-77.1568,38.6839],[-77.1566,38.6844],[-77.1552,38.6857],[-77.1536,38.6883],[-77.1553,38.6908],[-77.156,38.6915],[-77.1594,38.6917],[-77.16,38.6911],[-77.16,38.6906],[-77.1611,38.6894],[-77.1614,38.6894],[-77.1622,38.6892],[-77.1628,38.6886],[-77.1631,38.6886],[-77.1633,38.688],[-77.1636,38.6867],[-77.1638,38.6853],[-77.1641,38.6848],[-77.1649,38.6841],[-77.1655,38.6843],[-77.1656,38.6845],[-77.1671,38.6856],[-77.1677,38.6855],[-77.169,38.685],[-77.1697,38.6848],[-77.1712,38.6844],[-77.1732,38.6842],[-77.1764,38.6847],[-77.1779,38.6849],[-77.1795,38.6841],[-77.1822,38.6842],[-77.1831,38.6842],[-77.1833,38.6839],[-77.1836,38.6839],[-77.1842,38.6844],[-77.185,38.6844],[-77.1853,38.6842],[-77.1858,38.6839],[-77.1861,38.6839],[-77.1864,38.6836],[-77.1883,38.6831],[-77.1889,38.6825],[-77.1889,38.6822],[-77.1878,38.6811],[-77.1872,38.6811],[-77.1869,38.6808],[-77.1864,38.6808],[-77.1861,38.6806],[-77.1853,38.6806],[-77.185,38.6803],[-77.1847,38.6803],[-77.1844,38.68],[-77.1828,38.6803],[-77.1825,38.68],[-77.1822,38.68],[-77.1819,38.6803],[-77.1811,38.68],[-77.1772,38.6788],[-77.1763,38.6787],[-77.1737,38.6794],[-77.1674,38.6758],[-77.1624,38.6712],[-77.1582,38.6702],[-77.1578,38.6698],[-77.1571,38.6689],[-77.1566,38.6686],[-77.1555,38.6681],[-77.1515,38.6664],[-77.1509,38.6662],[-77.15,38.6653],[-77.1498,38.6647],[-77.1497,38.664],[-77.149,38.6572],[-77.1485,38.657],[-77.1478,38.6569],[-77.1465,38.6567],[-77.1459,38.6564],[-77.1452,38.6563],[-77.1446,38.656],[-77.1431,38.6549],[-77.1406,38.6523],[-77.1395,38.6518],[-77.1372,38.6506],[-77.1362,38.6489],[-77.1358,38.647],[-77.1354,38.6465],[-77.1349,38.6461],[-77.1343,38.6458],[-77.1334,38.6452],[-77.133,38.6423],[-77.1313,38.6384],[-77.1308,38.6369],[-77.1307,38.6359],[-77.1311,38.6354],[-77.1318,38.6351],[-77.1348,38.6351],[-77.137,38.6353],[-77.1389,38.6351],[-77.1413,38.6355],[-77.143,38.6357],[-77.1497,38.6352],[-77.1519,38.6355],[-77.1541,38.6358],[-77.1572,38.6367],[-77.1575,38.6369],[-77.1581,38.6372],[-77.1583,38.6369],[-77.1586,38.6369],[-77.1594,38.6361],[-77.1597,38.6361],[-77.1608,38.635],[-77.1611,38.635],[-77.1617,38.6344],[-77.1619,38.6344],[-77.1625,38.6331],[-77.1628,38.6331],[-77.1636,38.6322],[-77.1636,38.6308],[-77.1633,38.6306],[-77.1636,38.6303],[-77.1639,38.6303],[-77.1639,38.63],[-77.1661,38.6278],[-77.1665,38.6278],[-77.1665,38.6275],[-77.1764,38.6239],[-77.1808,38.6226],[-77.1813,38.6223],[-77.1824,38.6219],[-77.1837,38.6217],[-77.1857,38.6214],[-77.1864,38.6213],[-77.187,38.6211],[-77.1901,38.6198],[-77.1908,38.6195],[-77.1915,38.6194],[-77.193,38.6194],[-77.1986,38.6192],[-77.2005,38.6186],[-77.2021,38.6177],[-77.2027,38.6178],[-77.2038,38.6184],[-77.2048,38.6199],[-77.2049,38.6212],[-77.2043,38.6239],[-77.2047,38.6243],[-77.205,38.6248],[-77.2062,38.6267],[-77.208,38.628],[-77.2108,38.6302],[-77.213,38.6328],[-77.2139,38.6356],[-77.2139,38.6361],[-77.2144,38.6367],[-77.2147,38.6367],[-77.2151,38.637],[-77.215,38.6375],[-77.2147,38.6375],[-77.2144,38.6378],[-77.2128,38.6375],[-77.2117,38.6375],[-77.211,38.6374],[-77.2009,38.6418],[-77.1935,38.649],[-77.1905,38.6487],[-77.1894,38.6493],[-77.1888,38.6496],[-77.1882,38.6497],[-77.1875,38.6496],[-77.1844,38.6494],[-77.1814,38.6491],[-77.181,38.6506],[-77.1838,38.6511],[-77.1877,38.6514],[-77.1889,38.6516],[-77.1894,38.6514],[-77.192,38.6506],[-77.193,38.6508],[-77.1934,38.6512],[-77.1937,38.6517],[-77.1938,38.6522],[-77.1945,38.6537],[-77.1954,38.6544],[-77.1963,38.6551],[-77.199,38.657],[-77.2029,38.6586],[-77.2125,38.6567],[-77.2128,38.6564],[-77.2139,38.6564],[-77.2142,38.6567],[-77.2144,38.6564],[-77.2147,38.6564],[-77.215,38.6567],[-77.2156,38.6567],[-77.2169,38.6569],[-77.2172,38.6572],[-77.2175,38.6572],[-77.2209,38.6578],[-77.2214,38.6578],[-77.2235,38.658],[-77.224,38.6587],[-77.2238,38.659],[-77.2215,38.6612],[-77.2214,38.6618],[-77.2211,38.6624],[-77.221,38.663],[-77.2198,38.6666],[-77.2203,38.667],[-77.221,38.6671],[-77.2215,38.6668],[-77.2219,38.6662],[-77.224,38.6626],[-77.2254,38.6611],[-77.226,38.6608],[-77.2273,38.6607],[-77.2279,38.6609],[-77.2284,38.6613],[-77.229,38.6615],[-77.231,38.662],[-77.2316,38.6624],[-77.2322,38.6626],[-77.2333,38.6631],[-77.2339,38.6632],[-77.2358,38.6636],[-77.2362,38.664],[-77.2364,38.6645],[-77.2369,38.6654],[-77.2383,38.6665],[-77.2391,38.6671],[-77.2406,38.6689],[-77.2406,38.6692],[-77.2414,38.67],[-77.2446,38.6724],[-77.2489,38.6747],[-77.2492,38.6747],[-77.2494,38.675],[-77.2522,38.6792],[-77.2522,38.6794],[-77.2533,38.6806],[-77.2536,38.6806],[-77.2542,38.6811],[-77.2542,38.6814],[-77.2569,38.6842],[-77.2572,38.6839],[-77.2575,38.6839],[-77.2578,38.6836],[-77.2578,38.6833],[-77.2581,38.6831],[-77.2581,38.6828],[-77.2578,38.6828],[-77.2564,38.6814],[-77.2564,38.6811],[-77.2553,38.68],[-77.2547,38.68],[-77.2544,38.6797],[-77.252,38.676],[-77.2508,38.6744],[-77.2508,38.6742],[-77.2503,38.6733],[-77.2494,38.6728],[-77.2481,38.6731],[-77.2478,38.6728],[-77.2478,38.6722],[-77.2475,38.6719],[-77.245,38.6708],[-77.2447,38.6706],[-77.2436,38.6697],[-77.2433,38.6697],[-77.2431,38.6694],[-77.2428,38.6694],[-77.2417,38.6683],[-77.24,38.6664],[-77.24,38.6661],[-77.2397,38.6658],[-77.2394,38.665],[-77.2396,38.6643],[-77.2398,38.6638],[-77.244,38.6689],[-77.2498,38.6717],[-77.2527,38.6745],[-77.2549,38.6786],[-77.2659,38.6847],[-77.2728,38.6903],[-77.2786,38.6931],[-77.3018,38.7058],[-77.3077,38.7059],[-77.3137,38.7024],[-77.3256,38.7003],[-77.3291,38.7031],[-77.3242,38.7089],[-77.3247,38.7112],[-77.3323,38.7131],[-77.3316,38.7158],[-77.341,38.7183],[-77.355,38.723],[-77.3597,38.7236],[-77.3641,38.7164],[-77.3678,38.7106],[-77.373,38.7111],[-77.3777,38.7144],[-77.3828,38.7212],[-77.3796,38.7294],[-77.3801,38.7343],[-77.3853,38.7376],[-77.391,38.744],[-77.3944,38.7491],[-77.3985,38.751],[-77.4037,38.7524],[-77.4067,38.7507],[-77.4062,38.7484],[-77.4081,38.7453],[-77.411,38.7439],[-77.4128,38.7458],[-77.4126,38.7503],[-77.4101,38.7553],[-77.4147,38.7594],[-77.4176,38.7626],[-77.4134,38.7653],[-77.4162,38.7685],[-77.4173,38.7735],[-77.4219,38.7772],[-77.4271,38.7796],[-77.4307,38.7805],[-77.4341,38.7856],[-77.4357,38.7897],[-77.4379,38.7952],[-77.4402,38.7997],[-77.4442,38.8021],[-77.4495,38.8017],[-77.455,38.7986],[-77.4645,38.7956],[-77.4651,38.7956],[-77.4781,38.7963],[-77.484,38.7941],[-77.4887,38.7946],[-77.4922,38.797],[-77.4927,38.8015],[-77.4896,38.8046],[-77.4895,38.8083],[-77.4912,38.8101],[-77.4924,38.8115],[-77.5018,38.8143],[-77.5046,38.8171],[-77.5039,38.8248],[-77.5055,38.8271],[-77.5084,38.8317],[-77.5083,38.8344],[-77.5064,38.8385],[-77.5081,38.8407],[-77.52,38.8378],[-77.5271,38.8379],[-77.5324,38.8389],[-77.5347,38.8416],[-77.5358,38.8457],[-77.5369,38.8475],[-77.4747,38.9155],[-77.4705,38.9204],[-77.4291,38.9609],[-77.3273,39.0611],[-77.3267,39.061],[-77.3202,39.0593],[-77.3114,39.0564],[-77.3064,39.055],[-77.3048,39.0546],[-77.2989,39.0524],[-77.2944,39.0502],[-77.2891,39.0467],[-77.2829,39.0424],[-77.2787,39.0397],[-77.2746,39.037],[-77.2741,39.0367],[-77.2706,39.0348],[-77.2676,39.0342],[-77.2635,39.0333],[-77.2598,39.0324],[-77.2551,39.031],[-77.2508,39.0295],[-77.2483,39.0281],[-77.2457,39.026],[-77.2433,39.0233],[-77.2426,39.0198],[-77.2427,39.0175],[-77.2433,39.0148],[-77.245,39.0124],[-77.2463,39.0093],[-77.2471,39.0067],[-77.2478,39.0058],[-77.2485,39.0027],[-77.2489,39.0007],[-77.2493,38.9966],[-77.2482,38.9918],[-77.2447,38.9868],[-77.2401,38.9839],[-77.2345,38.9798],[-77.2271,38.9767],[-77.2257,38.9761],[-77.2235,38.9757],[-77.2203,38.9754],[-77.2161,38.9753],[-77.2114,38.9748],[-77.2073,38.9738],[-77.205,38.9729],[-77.2008,38.9711],[-77.1949,38.9692],[-77.192,38.9688],[-77.1902,38.9685],[-77.1885,38.9685],[-77.1731,38.9682],[-77.1702,38.9682]]]},\"properties\":{\"name\":\"Fairfax\",\"state\":\"VA\"}}]}","volume":"18","issue":"1","noUsgsAuthors":false,"publicationDate":"2025-12-23","publicationStatus":"PW","contributors":{"authors":[{"text":"Chanat, Jeffrey G. 0000-0002-3629-7307 jchanat@usgs.gov","orcid":"https://orcid.org/0000-0002-3629-7307","contributorId":5062,"corporation":false,"usgs":true,"family":"Chanat","given":"Jeffrey","email":"jchanat@usgs.gov","middleInitial":"G.","affiliations":[{"id":614,"text":"Virginia Water Science Center","active":true,"usgs":true}],"preferred":true,"id":952891,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Custer, Christopher Allan 0000-0003-2072-1414","orcid":"https://orcid.org/0000-0003-2072-1414","contributorId":364564,"corporation":false,"usgs":true,"family":"Custer","given":"Christopher","middleInitial":"Allan","affiliations":[{"id":37759,"text":"VA/WV Water Science Center","active":true,"usgs":true}],"preferred":true,"id":952892,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}}
,{"id":70273476,"text":"70273476 - 2026 - Potential interactions between birds and floating photovoltaic solar energy: Spatially informed species vulnerabilities, techno-ecological risks, and sustainability trade-offs","interactions":[],"lastModifiedDate":"2026-01-20T15:30:26.944609","indexId":"70273476","displayToPublicDate":"2025-12-23T08:46:17","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5925,"text":"Environmental Science and Technology","active":true,"publicationSubtype":{"id":10}},"title":"Potential interactions between birds and floating photovoltaic solar energy: Spatially informed species vulnerabilities, techno-ecological risks, and sustainability trade-offs","docAbstract":"<p><span>Floating photovoltaics (floating solar panels; FPV) can reduce the negative impacts of solar energy development in terrestrial environments, but their effects on freshwater ecosystems remain poorly understood. We examined potential FPV interactions with avian biodiversity, using previously modeled technical potential of FPV in the northeastern United States. We developed a vulnerability index based on avian species’: (i) morphological traits, (ii) level of conservation concern, and (iii) habitat requirements. Using eBird participatory science data, we assessed the risk of FPV to 291 species of birds occurring at FPV-suitable waterbodies based on their vulnerability index and estimated relative abundance at each location. The greatest risk of FPVs to birds was associated with waterbodies near the Atlantic coast and Great Lakes, and most (80%) of these high-risk waterbodies were smaller waterbodies. Because the avian risk at FPV-suitable waterbodies was not correlated with estimated energy generation, reducing risk to birds might not require energy trade-offs. Moreover, avoiding FPV installations at waterbodies predicted to pose high risk to birds is likely to return social and recreational benefits while minimizing risk of biofouling. Our analysis provides a framework for proactively evaluating risk, reducing potential adverse impacts of FPV to birds, and identifying cobenefits of sustainable FPV siting across waterscapes.</span></p>","language":"English","publisher":"ACS Publications","doi":"10.1021/acs.est.5c09819","usgsCitation":"Binley, A.D., Gallaher, A., Rodewald, A.D., and Grodsky, S.M., 2026, Potential interactions between birds and floating photovoltaic solar energy: Spatially informed species vulnerabilities, techno-ecological risks, and sustainability trade-offs: Environmental Science and Technology, v. 60, no. 1, p. 510-621, https://doi.org/10.1021/acs.est.5c09819.","productDescription":"12 p.","startPage":"510","endPage":"621","ipdsId":"IP-181372","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":498920,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1021/acs.est.5c09819","text":"Publisher Index Page"},{"id":498737,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Connecticut, Delaware, Maine, Maryland, Massachusetts, New Hampshire, New Jersey, New York, Pennsylvania, Rhode Island, Vermont, Virginia, Washington DC, West Virginia","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -66.65501641197895,\n              44.74152548184259\n            ],\n            [\n              -67.6968245772661,\n              45.73794783309825\n            ],\n            [\n              -67.95270949892765,\n              47.379125614743884\n            ],\n            [\n              -69.3915223409562,\n              47.4278826893804\n            ],\n            [\n              -70.99089733033615,\n              45.39194803042125\n            ],\n            [\n              -71.59816120202068,\n              45.0249102712188\n            ],\n            [\n              -74.93724052894156,\n              44.993515254035685\n            ],\n            [\n              -76.75034686370854,\n              43.91376278161334\n            ],\n            [\n              -78.97980279465791,\n              43.429291703689586\n            ],\n            [\n              -78.86279954021416,\n              42.897702704595986\n            ],\n            [\n              -79.54055781839557,\n              42.48834669405045\n            ],\n            [\n              -80.5152362296271,\n              42.22648847140036\n            ],\n            [\n              -80.5372853679192,\n              40.61342359980179\n            ],\n            [\n              -81.46839017947205,\n              39.28753079607813\n            ],\n            [\n              -82.12840686018721,\n              39.08491548516051\n            ],\n            [\n              -82.69161741334696,\n              38.02531835066708\n            ],\n            [\n              -82.02995782117321,\n              37.54106137435666\n            ],\n            [\n              -83.64361903153913,\n              36.60472689492755\n            ],\n            [\n              -75.61198709812805,\n              36.516353887422284\n            ],\n            [\n              -74.66765042081843,\n              38.89523397600536\n            ],\n            [\n              -73.50324716106653,\n              40.2520538786232\n            ],\n            [\n              -71.66037271059179,\n              41.01739604846372\n            ],\n            [\n              -70.84438505823752,\n              41.23839424240364\n            ],\n            [\n              -69.7808356241324,\n              41.14180012249446\n            ],\n            [\n              -69.93670062740647,\n              42.203277879766915\n            ],\n            [\n              -70.3951271076242,\n              42.825025843792105\n            ],\n            [\n              -69.30407208470645,\n              43.759282507474296\n            ],\n            [\n              -66.65501641197895,\n              44.74152548184259\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"60","issue":"1","noUsgsAuthors":false,"publicationDate":"2025-12-23","publicationStatus":"PW","contributors":{"authors":[{"text":"Binley, Allison D.","contributorId":365181,"corporation":false,"usgs":false,"family":"Binley","given":"Allison","middleInitial":"D.","affiliations":[{"id":36682,"text":"Cornell Lab of Ornithology","active":true,"usgs":false}],"preferred":false,"id":953873,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gallaher, Adam","contributorId":348210,"corporation":false,"usgs":false,"family":"Gallaher","given":"Adam","affiliations":[{"id":12722,"text":"Cornell University","active":true,"usgs":false}],"preferred":false,"id":953874,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rodewald, Amanda D.","contributorId":365183,"corporation":false,"usgs":false,"family":"Rodewald","given":"Amanda","middleInitial":"D.","affiliations":[{"id":36682,"text":"Cornell Lab of Ornithology","active":true,"usgs":false}],"preferred":false,"id":953875,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Grodsky, Steven Mark 0000-0003-0846-7230","orcid":"https://orcid.org/0000-0003-0846-7230","contributorId":328517,"corporation":false,"usgs":true,"family":"Grodsky","given":"Steven","email":"","middleInitial":"Mark","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":true,"id":953876,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70273463,"text":"70273463 - 2026 - The value of reducing uncertainties to support the management of a high‐elevation endemic salamander","interactions":[],"lastModifiedDate":"2026-01-15T15:11:14.770192","indexId":"70273463","displayToPublicDate":"2025-12-23T08:06:02","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1475,"text":"Ecosphere","active":true,"publicationSubtype":{"id":10}},"title":"The value of reducing uncertainties to support the management of a high‐elevation endemic salamander","docAbstract":"<p><span id=\"_mce_caret\" data-mce-bogus=\"1\" data-mce-type=\"format-caret\"><span>Many salamander populations are declining, and methods to determine how best to allocate limited resources to slow or reverse these declines could support land managers in their decision‐making processes. Multiple types of uncertainty may delay management decisions, including when (1) knowledge of a species' ecology is incomplete, (2) climate change effects on environmental covariates are uncertain, and (3) the efficacy of management alternatives is unknown. For management decisions, a value‐of‐information analysis can identify which uncertainties are critical to reduce in order to identify an optimal strategy from a set of possible management actions. If the same management action is optimal across the full range of uncertainties, then resources for research can be redirected toward active management. Using value‐of‐information analyses, we examine the effect of uncertainty on identifying optimal management to maximize the future expected occupancy of&nbsp;</span><i>Plethodon shenandoah</i><span>&nbsp;, a Federally Endangered high‐elevation endemic salamander that is threatened by climate change. Out of 11 management actions proposed by National Park Service managers, those that increase environmental moisture are expected to maximize occupancy, and we find that the selection of this action is robust to all the identified uncertainties. We show that, even in systems with multiple sources of large uncertainty, value of information analyses discriminate among investments in species management.</span></span></p>","language":"English","publisher":"CoLab","doi":"10.1002/ecs2.70434","usgsCitation":"Campbell Grant, E.H., Werba, J.A., Mummah, R.O., and Brand, A., 2026, The value of reducing uncertainties to support the management of a high‐elevation endemic salamander: Ecosphere, v. 16, no. 12, e70434, 10 p., https://doi.org/10.1002/ecs2.70434.","productDescription":"e70434, 10 p.","ipdsId":"IP-154029","costCenters":[{"id":50464,"text":"Eastern Ecological Science Center","active":true,"usgs":true}],"links":[{"id":498715,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/ecs2.70434","text":"Publisher Index Page"},{"id":498651,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"geometry\": {\n        \"type\": \"MultiPolygon\",\n        \"coordinates\": [\n          [\n            [\n              [\n                -94.81758,\n                49.38905\n              ],\n              [\n                -94.64,\n                48.84\n              ],\n              [\n                -94.32914,\n                48.67074\n              ],\n              [\n                -93.63087,\n                48.60926\n              ],\n              [\n                -92.61,\n                48.45\n              ],\n              [\n                -91.64,\n                48.14\n              ],\n              [\n                -90.83,\n                48.27\n              ],\n              [\n                -89.6,\n                48.01\n              ],\n              [\n                -89.27292,\n                48.01981\n              ],\n              [\n                -88.37811,\n                48.30292\n              ],\n              [\n                -87.43979,\n                47.94\n              ],\n              [\n                -86.46199,\n                47.55334\n              ],\n              [\n                -85.65236,\n                47.22022\n              ],\n              [\n                -84.87608,\n                46.90008\n              ],\n              [\n                -84.77924,\n                46.6371\n              ],\n              [\n                -84.54375,\n                46.53868\n              ],\n              [\n                -84.6049,\n                46.4396\n              ],\n              [\n                -84.3367,\n                46.40877\n              ],\n              [\n                -84.14212,\n                46.51223\n              ],\n              [\n                -84.09185,\n                46.27542\n              ],\n              [\n                -83.89077,\n                46.11693\n              ],\n              [\n                -83.61613,\n                46.11693\n              ],\n              [\n                -83.46955,\n                45.99469\n              ],\n              [\n                -83.59285,\n                45.81689\n              ],\n              [\n                -82.55092,\n                45.34752\n              ],\n              [\n                -82.33776,\n                44.44\n              ],\n              [\n                -82.13764,\n                43.57109\n              ],\n              [\n                -82.43,\n                42.98\n              ],\n              [\n                -82.9,\n                42.43\n              ],\n              [\n                -83.12,\n                42.08\n              ],\n              [\n                -83.142,\n                41.97568\n              ],\n              [\n                -83.02981,\n                41.8328\n              ],\n              [\n                -82.69009,\n                41.67511\n              ],\n              [\n                -82.43928,\n                41.67511\n              ],\n              [\n                -81.27775,\n                42.20903\n              ],\n              [\n                -80.24745,\n                42.3662\n              ],\n              [\n                -78.93936,\n                42.86361\n              ],\n              [\n                -78.92,\n                42.965\n              ],\n              [\n                -79.01,\n                43.27\n              ],\n              [\n                -79.17167,\n                43.46634\n              ],\n              [\n                -78.72028,\n                43.62509\n              ],\n              [\n                -77.73789,\n                43.62906\n              ],\n              [\n                -76.82003,\n                43.62878\n              ],\n              [\n                -76.5,\n                44.01846\n              ],\n              [\n                -76.375,\n                44.09631\n              ],\n              [\n                -75.31821,\n                44.81645\n              ],\n              [\n                -74.867,\n                45.00048\n              ],\n              [\n                -73.34783,\n                45.00738\n              ],\n              [\n                -71.50506,\n                45.0082\n              ],\n              [\n                -71.405,\n                45.255\n              ],\n              [\n                -71.08482,\n                45.30524\n              ],\n              [\n                -70.66,\n                45.46\n              ],\n              [\n                -70.305,\n                45.915\n              ],\n              [\n                -69.99997,\n                46.69307\n              ],\n              [\n                -69.23722,\n                47.44778\n              ],\n              [\n                -68.905,\n                47.185\n              ],\n              [\n                -68.23444,\n                47.35486\n              ],\n              [\n                -67.79046,\n                47.06636\n              ],\n              [\n                -67.79134,\n                45.70281\n              ],\n              [\n                -67.13741,\n                45.13753\n              ],\n              [\n                -66.96466,\n                44.8097\n              ],\n              [\n                -68.03252,\n                44.3252\n              ],\n              [\n                -69.06,\n                43.98\n              ],\n              [\n                -70.11617,\n                43.68405\n              ],\n              [\n                -70.64548,\n                43.09024\n              ],\n              [\n                -70.81489,\n                42.8653\n              ],\n              [\n                -70.825,\n                42.335\n              ],\n              [\n                -70.495,\n                41.805\n              ],\n              [\n                -70.08,\n                41.78\n              ],\n              [\n                -70.185,\n                42.145\n              ],\n              [\n                -69.88497,\n                41.92283\n              ],\n              [\n                -69.96503,\n                41.63717\n              ],\n              [\n                -70.64,\n                41.475\n              ],\n              [\n                -71.12039,\n                41.49445\n              ],\n              [\n                -71.86,\n                41.32\n              ],\n              [\n                -72.295,\n                41.27\n              ],\n              [\n                -72.87643,\n                41.22065\n              ],\n              [\n                -73.71,\n                40.9311\n              ],\n              [\n                -72.24126,\n                41.11948\n              ],\n              [\n                -71.945,\n                40.93\n              ],\n              [\n                -73.345,\n                40.63\n              ],\n              [\n                -73.982,\n                40.628\n              ],\n              [\n                -73.95232,\n                40.75075\n              ],\n              [\n                -74.25671,\n                40.47351\n              ],\n              [\n                -73.96244,\n                40.42763\n              ],\n              [\n                -74.17838,\n                39.70926\n              ],\n              [\n                -74.90604,\n                38.93954\n              ],\n              [\n                -74.98041,\n                39.1964\n              ],\n              [\n                -75.20002,\n                39.24845\n              ],\n              [\n                -75.52805,\n                39.4985\n              ],\n              [\n                -75.32,\n                38.96\n              ],\n              [\n                -75.07183,\n                38.78203\n              ],\n              [\n                -75.05673,\n                38.40412\n              ],\n              [\n                -75.37747,\n                38.01551\n              ],\n              [\n                -75.94023,\n                37.21689\n              ],\n              [\n                -76.03127,\n                37.2566\n              ],\n              [\n                -75.72205,\n                37.93705\n              ],\n              [\n                -76.23287,\n                38.31921\n              ],\n              [\n                -76.35,\n                39.15\n              ],\n              [\n                -76.54272,\n                38.71762\n              ],\n              [\n                -76.32933,\n                38.08326\n              ],\n              [\n                -76.99,\n                38.23999\n              ],\n              [\n                -76.30162,\n                37.91794\n              ],\n              [\n                -76.25874,\n                36.9664\n              ],\n              [\n                -75.9718,\n                36.89726\n              ],\n              [\n                -75.86804,\n                36.55125\n              ],\n              [\n                -75.72749,\n                35.55074\n              ],\n              [\n                -76.36318,\n                34.80854\n              ],\n              [\n                -77.39763,\n                34.51201\n              ],\n              [\n                -78.05496,\n                33.92547\n              ],\n              [\n                -78.55435,\n                33.86133\n              ],\n              [\n                -79.06067,\n                33.49395\n              ],\n              [\n                -79.20357,\n                33.15839\n              ],\n              [\n                -80.30132,\n                32.50935\n              ],\n              [\n                -80.86498,\n                32.0333\n              ],\n              [\n                -81.33629,\n                31.44049\n              ],\n              [\n                -81.49042,\n                30.72999\n              ],\n              [\n                -81.31371,\n                30.03552\n              ],\n              [\n                -80.98,\n                29.18\n              ],\n              [\n                -80.53558,\n                28.47213\n              ],\n              [\n                -80.53,\n                28.04\n              ],\n              [\n                -80.05654,\n                26.88\n              ],\n              [\n                -80.08801,\n                26.20576\n              ],\n              [\n                -80.13156,\n                25.81677\n              ],\n              [\n                -80.38103,\n                25.20616\n              ],\n              [\n                -80.68,\n                25.08\n              ],\n              [\n                -81.17213,\n                25.20126\n              ],\n              [\n                -81.33,\n                25.64\n              ],\n              [\n                -81.71,\n                25.87\n              ],\n              [\n                -82.24,\n                26.73\n              ],\n              [\n                -82.70515,\n                27.49504\n              ],\n              [\n                -82.85526,\n                27.88624\n              ],\n              [\n                -82.65,\n                28.55\n              ],\n              [\n                -82.93,\n                29.1\n              ],\n              [\n                -83.70959,\n                29.93656\n              ],\n              [\n                -84.1,\n                30.09\n              ],\n              [\n                -85.10882,\n                29.63615\n              ],\n              [\n                -85.28784,\n                29.68612\n              ],\n              [\n                -85.7731,\n                30.15261\n              ],\n              [\n                -86.4,\n                30.4\n              ],\n              [\n                -87.53036,\n                30.27433\n              ],\n              [\n                -88.41782,\n                30.3849\n              ],\n              [\n                -89.18049,\n                30.31598\n              ],\n              [\n                -89.59383,\n                30.15999\n              ],\n              [\n                -89.41373,\n                29.89419\n              ],\n              [\n                -89.43,\n                29.48864\n              ],\n              [\n                -89.21767,\n                29.29108\n              ],\n              [\n                -89.40823,\n                29.15961\n              ],\n              [\n                -89.77928,\n                29.30714\n              ],\n              [\n                -90.15463,\n                29.11743\n              ],\n              [\n                -90.88022,\n                29.14854\n              ],\n              [\n                -91.62678,\n                29.677\n              ],\n              [\n                -92.49906,\n                29.5523\n              ],\n              [\n                -93.22637,\n                29.78375\n              ],\n              [\n                -93.84842,\n                29.71363\n              ],\n              [\n                -94.69,\n                29.48\n              ],\n              [\n                -95.60026,\n                28.73863\n              ],\n              [\n                -96.59404,\n                28.30748\n              ],\n              [\n                -97.14,\n                27.83\n              ],\n              [\n                -97.37,\n                27.38\n              ],\n              [\n                -97.38,\n                26.69\n              ],\n              [\n                -97.33,\n                26.21\n              ],\n              [\n                -97.14,\n                25.87\n              ],\n              [\n                -97.53,\n                25.84\n              ],\n              [\n                -98.24,\n                26.06\n              ],\n              [\n                -99.02,\n                26.37\n              ],\n              [\n                -99.3,\n                26.84\n              ],\n              [\n                -99.52,\n                27.54\n              ],\n              [\n                -100.11,\n                28.11\n              ],\n              [\n                -100.45584,\n                28.69612\n              ],\n              [\n                -100.9576,\n                29.38071\n              ],\n              [\n                -101.6624,\n                29.7793\n              ],\n              [\n                -102.48,\n                29.76\n              ],\n              [\n                -103.11,\n                28.97\n              ],\n              [\n                -103.94,\n                29.27\n              ],\n              [\n                -104.45697,\n                29.57196\n              ],\n              [\n                -104.70575,\n                30.12173\n              ],\n              [\n                -105.03737,\n                30.64402\n              ],\n              [\n                -105.63159,\n                31.08383\n              ],\n              [\n                -106.1429,\n                31.39995\n              ],\n              [\n                -106.50759,\n                31.75452\n              ],\n              [\n                -108.24,\n                31.75485\n              ],\n              [\n                -108.24194,\n                31.34222\n              ],\n              [\n                -109.035,\n                31.34194\n              ],\n              [\n                -111.02361,\n                31.33472\n              ],\n              [\n                -113.30498,\n                32.03914\n              ],\n              [\n                -114.815,\n                32.52528\n              ],\n              [\n                -114.72139,\n                32.72083\n              ],\n              [\n                -115.99135,\n                32.61239\n              ],\n              [\n                -117.12776,\n                32.53534\n              ],\n              [\n                -117.29594,\n                33.04622\n              ],\n              [\n                -117.944,\n                33.62124\n              ],\n              [\n                -118.4106,\n                33.74091\n              ],\n              [\n                -118.51989,\n                34.02778\n              ],\n              [\n                -119.081,\n                34.078\n              ],\n              [\n                -119.43884,\n                34.34848\n              ],\n              [\n                -120.36778,\n                34.44711\n              ],\n              [\n                -120.62286,\n                34.60855\n              ],\n              [\n                -120.74433,\n                35.15686\n              ],\n              [\n                -121.71457,\n                36.16153\n              ],\n              [\n                -122.54747,\n                37.55176\n              ],\n              [\n                -122.51201,\n                37.78339\n              ],\n              [\n                -122.95319,\n                38.11371\n              ],\n              [\n                -123.7272,\n                38.95166\n              ],\n              [\n                -123.86517,\n                39.76699\n              ],\n              [\n                -124.39807,\n                40.3132\n              ],\n              [\n                -124.17886,\n                41.14202\n              ],\n              [\n                -124.2137,\n                41.99964\n              ],\n              [\n                -124.53284,\n                42.76599\n              ],\n              [\n                -124.14214,\n                43.70838\n              ],\n              [\n                -124.02053,\n                44.6159\n              ],\n              [\n                -123.89893,\n                45.52341\n              ],\n              [\n                -124.07963,\n                46.86475\n              ],\n              [\n                -124.39567,\n                47.72017\n              ],\n              [\n                -124.68721,\n                48.18443\n              ],\n              [\n                -124.5661,\n                48.37971\n              ],\n              [\n                -123.12,\n                48.04\n              ],\n              [\n                -122.58736,\n                47.096\n              ],\n              [\n                -122.34,\n                47.36\n              ],\n              [\n                -122.5,\n                48.18\n              ],\n              [\n                -122.84,\n                49\n              ],\n              [\n                -120,\n                49\n              ],\n              [\n                -117.03121,\n                49\n              ],\n              [\n                -116.04818,\n                49\n              ],\n              [\n                -113,\n                49\n              ],\n              [\n                -110.05,\n                49\n              ],\n              [\n                -107.05,\n                49\n              ],\n              [\n                -104.04826,\n                48.99986\n              ],\n              [\n                -100.65,\n                49\n              ],\n              [\n                -97.22872,\n                49.0007\n              ],\n              [\n                -95.15907,\n                49\n              ],\n              [\n                -95.15609,\n                49.38425\n              ],\n              [\n                -94.81758,\n                49.38905\n              ]\n            ]\n          ]\n        ]\n      },\n      \"properties\": {\n        \"name\": \"United States\"\n      }\n    }\n  ]\n}","volume":"16","issue":"12","noUsgsAuthors":false,"publicationDate":"2025-12-22","publicationStatus":"PW","contributors":{"authors":[{"text":"Campbell Grant, Evan H. 0000-0003-4401-6496 ehgrant@usgs.gov","orcid":"https://orcid.org/0000-0003-4401-6496","contributorId":150443,"corporation":false,"usgs":true,"family":"Campbell Grant","given":"Evan","email":"ehgrant@usgs.gov","middleInitial":"H.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":953819,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Werba, Jo A.","contributorId":365160,"corporation":false,"usgs":false,"family":"Werba","given":"Jo","middleInitial":"A.","affiliations":[{"id":36985,"text":"Penn State University","active":true,"usgs":false}],"preferred":false,"id":953820,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mummah, Riley Olivia 0000-0002-4542-3483","orcid":"https://orcid.org/0000-0002-4542-3483","contributorId":342242,"corporation":false,"usgs":true,"family":"Mummah","given":"Riley","email":"","middleInitial":"Olivia","affiliations":[{"id":50464,"text":"Eastern Ecological Science Center","active":true,"usgs":true}],"preferred":true,"id":953821,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Brand, Adrianne 0000-0003-2664-0041","orcid":"https://orcid.org/0000-0003-2664-0041","contributorId":295466,"corporation":false,"usgs":true,"family":"Brand","given":"Adrianne","affiliations":[{"id":50464,"text":"Eastern Ecological Science Center","active":true,"usgs":true}],"preferred":true,"id":953822,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}}
,{"id":70273277,"text":"70273277 - 2026 - Assessing environmental drivers and protist community dynamics that shaped the historic August 2022 Heterosigma akashiwo bloom in San Francisco Bay, California","interactions":[],"lastModifiedDate":"2025-12-30T17:19:51.61749","indexId":"70273277","displayToPublicDate":"2025-12-22T11:14:26","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1584,"text":"Estuaries and Coasts","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Assessing environmental drivers and protist community dynamics that shaped the historic August 2022 <i>Heterosigma akashiwo</i> bloom in San Francisco Bay, California","title":"Assessing environmental drivers and protist community dynamics that shaped the historic August 2022 Heterosigma akashiwo bloom in San Francisco Bay, California","docAbstract":"<p><span>San Francisco Bay, California, typically has chlorophyll&nbsp;</span><i>a</i><span>&nbsp;(chl-</span><i>a</i><span>) concentrations below 10&nbsp;µg L</span><sup>−1</sup><span>, despite nutrient loadings exceeding those in many estuaries with recurring harmful algal blooms (HABs). However, in August 2022 there was a&nbsp;</span><i>Heterosigma akashiwo</i><span>&nbsp;(raphidophyte) bloom with chl-</span><i>a</i><span>&nbsp;concentrations exceeding 450&nbsp;µg L</span><sup>−1</sup><span>, resulting in widespread hypoxia and fish die-off. We used protist community (18S ribosomal ribonucleic acid gene metabarcoding) and environmental data collected 2–3 times per month from 2015–2023 to assess differences between 2022 and other years, and capture dynamics pre-, during, and post-bloom. The 2022 protist community clustered separately from other years in non-metric multidimensional scaling and hierarchical cluster analyses. A diatom bloom in June generated the highest&nbsp;median June chl-</span><i>a</i><span>&nbsp;concentration (15&nbsp;µg L</span><sup>−1</sup><span>) recorded between 1977–2023 and drew down nutrients (nitrogen, silicate), leading to the establishment of a heterotrophic community in July with low dinoflagellate abundance (0.9% of protists versus 5.9% average in other years). The absence of dinoflagellates, potentially including&nbsp;</span><i>H. akashiwo</i><span>&nbsp;predators</span><i>,</i><span>&nbsp;plus suitable habitat (13–14 daylight hours, temperatures 17–21˚C, nitrate concentrations 17–24&nbsp;µmol L</span><sup>−1</sup><span>, neap tides) likely provided opportunity for&nbsp;</span><i>H. akashiwo</i><span>&nbsp;to proliferate from 0.03% to 48% of protists between July 20 and August 25. As the bloom collapsed, the genus&nbsp;</span><i>Gyrodinium</i><span>&nbsp;(dinoflagellate predator of&nbsp;</span><i>H. akashiwo</i><span>) increased from 3.0% to 52% of protists between August 25 and August 31, likely exerting grazing pressure. Results show that antecedent protist community dynamics play important roles in shaping HABs, and interactions between biotic and abiotic factors govern the development of blooms.</span></p>","language":"English","publisher":"Springer","doi":"10.1007/s12237-025-01629-7","usgsCitation":"Nardelli, S.C., Bouma-Gregson, K., Senn, D., Killam, D., Chelsky, A., Kress, E.S., Richardson, E.T., Otten, T., Kraus, T.E., and Bergamaschi, B.A., 2026, Assessing environmental drivers and protist community dynamics that shaped the historic August 2022 Heterosigma akashiwo bloom in San Francisco Bay, California: Estuaries and Coasts, v. 49, 39, 21 p., https://doi.org/10.1007/s12237-025-01629-7.","productDescription":"39, 21 p.","ipdsId":"IP-176080","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":498276,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1007/s12237-025-01629-7","text":"Publisher Index Page"},{"id":498161,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"San Francisco Bay","geographicExtents":"{\n  \"type\": \"FeatureCollection\",\n  \"features\": [\n    {\n      \"type\": \"Feature\",\n      \"properties\": {},\n      \"geometry\": {\n        \"coordinates\": [\n          [\n            [\n              -122.64535245048378,\n              38.189646145715784\n            ],\n            [\n              -122.64535245048378,\n              37.371586670346176\n            ],\n            [\n              -121.58067551793042,\n              37.371586670346176\n            ],\n            [\n              -121.58067551793042,\n              38.189646145715784\n            ],\n            [\n              -122.64535245048378,\n              38.189646145715784\n            ]\n          ]\n        ],\n        \"type\": \"Polygon\"\n      }\n    }\n  ]\n}","volume":"49","noUsgsAuthors":false,"publicationDate":"2025-12-22","publicationStatus":"PW","contributors":{"authors":[{"text":"Nardelli, Schuyler Crain 0000-0001-7926-9018","orcid":"https://orcid.org/0000-0001-7926-9018","contributorId":364651,"corporation":false,"usgs":true,"family":"Nardelli","given":"Schuyler","middleInitial":"Crain","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":953003,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Bouma-Gregson, Keith 0000-0002-0304-6034","orcid":"https://orcid.org/0000-0002-0304-6034","contributorId":311235,"corporation":false,"usgs":true,"family":"Bouma-Gregson","given":"Keith","email":"","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":953004,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Senn, David 0000-0002-4869-3550","orcid":"https://orcid.org/0000-0002-4869-3550","contributorId":329401,"corporation":false,"usgs":false,"family":"Senn","given":"David","affiliations":[{"id":12703,"text":"San Francisco Estuary Institute","active":true,"usgs":false}],"preferred":false,"id":953005,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Killam, Daniel 0000-0001-7569-1828","orcid":"https://orcid.org/0000-0001-7569-1828","contributorId":364654,"corporation":false,"usgs":false,"family":"Killam","given":"Daniel","affiliations":[{"id":12703,"text":"San Francisco Estuary Institute","active":true,"usgs":false}],"preferred":false,"id":953006,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Chelsky, Ariella 0000-0002-4363-3401","orcid":"https://orcid.org/0000-0002-4363-3401","contributorId":364655,"corporation":false,"usgs":false,"family":"Chelsky","given":"Ariella","affiliations":[{"id":12703,"text":"San Francisco Estuary Institute","active":true,"usgs":false}],"preferred":false,"id":953007,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Kress, Erica S. 0000-0001-8204-6368 ekress@usgs.gov","orcid":"https://orcid.org/0000-0001-8204-6368","contributorId":4859,"corporation":false,"usgs":true,"family":"Kress","given":"Erica","email":"ekress@usgs.gov","middleInitial":"S.","affiliations":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":438,"text":"National Research Program - Western Branch","active":true,"usgs":true}],"preferred":true,"id":953008,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Richardson, Emily T. 0000-0003-2696-8266","orcid":"https://orcid.org/0000-0003-2696-8266","contributorId":304430,"corporation":false,"usgs":true,"family":"Richardson","given":"Emily","email":"","middleInitial":"T.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":953009,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Otten, Timothy","contributorId":173804,"corporation":false,"usgs":false,"family":"Otten","given":"Timothy","affiliations":[{"id":6680,"text":"Oregon State University","active":true,"usgs":false}],"preferred":false,"id":953010,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Kraus, Tamara E. C. 0000-0002-5187-8644 tkraus@usgs.gov","orcid":"https://orcid.org/0000-0002-5187-8644","contributorId":147560,"corporation":false,"usgs":true,"family":"Kraus","given":"Tamara","email":"tkraus@usgs.gov","middleInitial":"E. C.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":953011,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Bergamaschi, Brian A. 0000-0002-9610-5581 bbergama@usgs.gov","orcid":"https://orcid.org/0000-0002-9610-5581","contributorId":140776,"corporation":false,"usgs":true,"family":"Bergamaschi","given":"Brian","email":"bbergama@usgs.gov","middleInitial":"A.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":953012,"contributorType":{"id":1,"text":"Authors"},"rank":10}]}}
]}