Understanding how social vulnerability relates to disaster impacts is critical for addressing social equity, yet the role of spatial scale in this relationship is often overlooked. Most studies use aggregated data, risking ecological fallacy—misinterpreting individual outcomes from group-level data. This study examines how spatial scale influences the relationship between social vulnerability and federal disaster assistance after Hurricane Harvey. Using spatial econometric models at both household and census tract levels, we assessed the strength of key vulnerability indicators in explaining disaster assistance. Results show that disability, housing tenure, household size, and income predict assistance at the household level, but their influence shifts across scales. Income and disability remain strong predictors at the tract level, whereas housing factors weaken or reverse. These findings suggest that using aggregated data to model household-level relationships between social vulnerability and disaster assistance can distort understanding of vulnerability processes, potentially leading to misinformed disaster policies and inequitable outcomes. Our findings have implications for disaster management, but the primary contribution of this study is methodological, in providing a critical evaluation of how spatial scale and data aggregation shape the statistical interpretation of social vulnerability and aid distribution.
","language":"English","publisher":"Taylor and Francis","doi":"10.1080/24694452.2025.2549057","usgsCitation":"Razzaghi Asl, S., Drakes, O.O., Tate, E., Brody, S.D., Highfield, W., and Atoba, K., 2026, The influence of scale in modeling social vulnerability and disaster assistance: Annals of the American Association of Geographers, v. 116, no. 1, p. 198-218, https://doi.org/10.1080/24694452.2025.2549057.","productDescription":"21 p.","startPage":"198","endPage":"218","ipdsId":"IP-173238","costCenters":[{"id":37316,"text":"WMA - Integrated Information Dissemination Division","active":true,"usgs":true}],"links":[{"id":495836,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":496143,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1080/24694452.2025.2549057","text":"Publisher Index Page"}],"country":"United States","state":"Texas","county":"Harris 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Asl, Sina","contributorId":361677,"corporation":false,"usgs":false,"family":"Razzaghi Asl","given":"Sina","affiliations":[{"id":6644,"text":"Princeton University","active":true,"usgs":false}],"preferred":false,"id":949201,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Drakes, Oronde Oliver 0000-0002-1047-1389","orcid":"https://orcid.org/0000-0002-1047-1389","contributorId":328832,"corporation":false,"usgs":true,"family":"Drakes","given":"Oronde","email":"","middleInitial":"Oliver","affiliations":[{"id":37316,"text":"WMA - Integrated Information Dissemination Division","active":true,"usgs":true}],"preferred":true,"id":949202,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Tate, Eric","contributorId":222831,"corporation":false,"usgs":false,"family":"Tate","given":"Eric","email":"","affiliations":[{"id":6768,"text":"University of Iowa","active":true,"usgs":false}],"preferred":false,"id":949203,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Brody, Samuel D.","contributorId":340013,"corporation":false,"usgs":false,"family":"Brody","given":"Samuel","email":"","middleInitial":"D.","affiliations":[],"preferred":false,"id":949204,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Highfield, Wesley","contributorId":361679,"corporation":false,"usgs":false,"family":"Highfield","given":"Wesley","affiliations":[{"id":6747,"text":"Texas A&M University","active":true,"usgs":false}],"preferred":false,"id":949205,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Atoba, Kayode","contributorId":361680,"corporation":false,"usgs":false,"family":"Atoba","given":"Kayode","affiliations":[{"id":6747,"text":"Texas A&M University","active":true,"usgs":false}],"preferred":false,"id":949206,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70273060,"text":"70273060 - 2026 - Chinook salmon Oncorhynchus tshawytscha (Walbaum, 1792) life history influences how diagnostic cranial structures relate to fish length","interactions":[],"lastModifiedDate":"2026-02-09T16:16:51.881808","indexId":"70273060","displayToPublicDate":"2025-09-07T08:56:39","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2285,"text":"Journal of Fish Biology","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Chinook salmon Oncorhynchus tshawytscha (Walbaum, 1792) life history influences how diagnostic cranial structures relate to fish length","title":"Chinook salmon Oncorhynchus tshawytscha (Walbaum, 1792) life history influences how diagnostic cranial structures relate to fish length","docAbstract":"Diagnostic bones can aid in identification and size determination of fishes from ingested prey, archaeological remains or damaged specimens. We extracted diagnostic structures, including cleithra, dentaries, opercles and otoliths, from juvenile spring Chinook salmon (Oncorhynchus tshawytscha) from three distinct groups: hatchery, naturally produced and surrogate, representing shared genetics. Although our observations highlight that growth and life history are important considerations in structuring allometry, we note that a wide variety of diagnostic bones and measurement axes may be suitable for determining body lengths where remains may be damaged or incomplete.
","language":"English","publisher":"Wiley","doi":"10.1111/jfb.70194","usgsCitation":"Romer, J.D., Stertz, K.A., Pham, K., and Murphy, C.A., 2026, Chinook salmon Oncorhynchus tshawytscha (Walbaum, 1792) life history influences how diagnostic cranial structures relate to fish length: Journal of Fish Biology, v. 107, no. 6, p. 2173-2180, https://doi.org/10.1111/jfb.70194.","productDescription":"8 p.","startPage":"2173","endPage":"2180","ipdsId":"IP-135463","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":497476,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"107","issue":"6","noUsgsAuthors":false,"publicationDate":"2025-09-07","publicationStatus":"PW","contributors":{"authors":[{"text":"Romer, Jeremy D.","contributorId":364047,"corporation":false,"usgs":false,"family":"Romer","given":"Jeremy","middleInitial":"D.","affiliations":[{"id":36223,"text":"Oregon Department of Fish and Wildlife","active":true,"usgs":false}],"preferred":false,"id":952193,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Stertz, Kevin A.","contributorId":364049,"corporation":false,"usgs":false,"family":"Stertz","given":"Kevin","middleInitial":"A.","affiliations":[{"id":36223,"text":"Oregon Department of Fish and Wildlife","active":true,"usgs":false}],"preferred":false,"id":952194,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Pham, Keiara","contributorId":364051,"corporation":false,"usgs":false,"family":"Pham","given":"Keiara","affiliations":[{"id":7063,"text":"University of Maine","active":true,"usgs":false}],"preferred":false,"id":952195,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Murphy, Christina Amy 0000-0002-3467-6610","orcid":"https://orcid.org/0000-0002-3467-6610","contributorId":335232,"corporation":false,"usgs":true,"family":"Murphy","given":"Christina","email":"","middleInitial":"Amy","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":true,"id":952196,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70273804,"text":"70273804 - 2026 - Reducing bias in shorebird nest survival rates across a large Arctic landscape","interactions":[],"lastModifiedDate":"2026-02-03T14:12:23.263322","indexId":"70273804","displayToPublicDate":"2025-09-06T15:21:03","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1961,"text":"Ibis","active":true,"publicationSubtype":{"id":10}},"title":"Reducing bias in shorebird nest survival rates across a large Arctic landscape","docAbstract":"Reproductive success is a key demographic parameter that can have profound impacts on a species' population trend. Indeed, poor reproductive success has been suggested as a contributing factor to the declines observed in many species of birds, including Arctic-breeding shorebirds. However, the available information on Arctic-breeding shorebird nest survival is restricted to a limited number of non-random locations where proximity to human settlements and traditional invasive monitoring techniques may artificially alter nest predation rates and, thus, bias results. To accurately assess reproductive success, unbiased estimates are needed. In this study, we monitored 96 shorebird nests (six species) at 41 randomly selected sites across a large Arctic landscape (1219 km2 area of the Arctic National Wildlife Refuge) using minimally invasive techniques (i.e. single nest visits, temperature loggers and cameras) in 2019 and 2022. Overall, daily survival was 0.975 (95% CI: 0.955–0.987), which translates to a 53% (95% CI: 32–72%) probability of a shorebird nest surviving the median (25 days) incubation period for the studied species. Camera footage indicated Arctic Foxes Vulpes lagopus were the primary nest predator (85% of identified predation events), but Parasitic Jaegers Stercorarius parasiticus and Sandhill Cranes Grus canadensis also contributed to nest loss. In both years, greater nest failure occurred in the northwest and northcentral regions of our study area, potentially the result of greater shorebird abundance and density-dependent predation rates. Nest survival rates obtained in this study were the same as those obtained in a previous large geographical study that monitored shorebird nests across numerous small, non-randomly selected, high-density shorebird field sites that employed intensive human monitoring techniques. However, site-specific and annual differences in predator and shorebird species and densities make direct comparisons to previous studies difficult. Continued monitoring using methods that minimize bias and are consistent across time are needed to accurately measure true changes in nest survival rates that may occur under a changing climate and with increased human development.
","language":"English","publisher":"Wiley","doi":"10.1111/ibi.13441","usgsCitation":"Saalfeld, S.T., Weiser, E.L., Brown, S.C., Latty, C., Schulte, S., and Lanctot, R.B., 2026, Reducing bias in shorebird nest survival rates across a large Arctic landscape: Ibis, v. 168, no. 1, p. 25-41, https://doi.org/10.1111/ibi.13441.","productDescription":"17 p.","startPage":"25","endPage":"41","ipdsId":"IP-172288","costCenters":[{"id":65299,"text":"Alaska Science Center Ecosystems","active":true,"usgs":true}],"links":[{"id":499619,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/ibi.13441","text":"Publisher Index Page"},{"id":499416,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Arctic National Wildlife Refuge","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -146.73408758739058,\n 70.27291487299507\n ],\n [\n -146.73408758739058,\n 69.58605177408464\n ],\n [\n -142.60339842266058,\n 69.58605177408464\n ],\n [\n -142.60339842266058,\n 70.27291487299507\n ],\n [\n -146.73408758739058,\n 70.27291487299507\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"168","issue":"1","noUsgsAuthors":false,"publicationDate":"2025-09-06","publicationStatus":"PW","contributors":{"authors":[{"text":"Saalfeld, Sarah T. 0000-0002-6837-9729","orcid":"https://orcid.org/0000-0002-6837-9729","contributorId":365825,"corporation":false,"usgs":false,"family":"Saalfeld","given":"Sarah","middleInitial":"T.","affiliations":[{"id":6654,"text":"USFWS","active":true,"usgs":false}],"preferred":false,"id":954882,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Weiser, Emily L. 0000-0003-1598-659X","orcid":"https://orcid.org/0000-0003-1598-659X","contributorId":213770,"corporation":false,"usgs":true,"family":"Weiser","given":"Emily","email":"","middleInitial":"L.","affiliations":[{"id":65299,"text":"Alaska Science Center Ecosystems","active":true,"usgs":true}],"preferred":true,"id":954883,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Brown, Stephen C. 0000-0002-0421-1660","orcid":"https://orcid.org/0000-0002-0421-1660","contributorId":208214,"corporation":false,"usgs":false,"family":"Brown","given":"Stephen","email":"","middleInitial":"C.","affiliations":[{"id":37764,"text":"Shorebird Recovery Program","active":true,"usgs":false}],"preferred":false,"id":954884,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Latty, Christopher","contributorId":341229,"corporation":false,"usgs":false,"family":"Latty","given":"Christopher","affiliations":[{"id":6661,"text":"US Fish and Wildlife Service","active":true,"usgs":false}],"preferred":false,"id":954885,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Schulte, Shiloh","contributorId":354797,"corporation":false,"usgs":false,"family":"Schulte","given":"Shiloh","affiliations":[{"id":84665,"text":"Manomet Conservation Sciences","active":true,"usgs":false}],"preferred":false,"id":954886,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Lanctot, R. B. 0000-0001-9873-0199","orcid":"https://orcid.org/0000-0001-9873-0199","contributorId":331021,"corporation":false,"usgs":false,"family":"Lanctot","given":"R.","middleInitial":"B.","affiliations":[{"id":6654,"text":"USFWS","active":true,"usgs":false}],"preferred":false,"id":954887,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70271326,"text":"70271326 - 2026 - Origin and evolution of mafic volcanism associated with 3 m.y. of andesite production at the Goat Rocks volcanic cluster, southern Washington Cascade Range","interactions":[],"lastModifiedDate":"2026-01-05T16:42:08.542449","indexId":"70271326","displayToPublicDate":"2025-09-04T08:06:46","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1786,"text":"Geological Society of America Bulletin","active":true,"publicationSubtype":{"id":10}},"title":"Origin and evolution of mafic volcanism associated with 3 m.y. of andesite production at the Goat Rocks volcanic cluster, southern Washington Cascade Range","docAbstract":"More than 3 m.y. of mafic volcanism near the Goat Rocks volcanic cluster in the southern Washington Cascade Range, USA, lends insight into the evolution of basalts and the subarc mantle at a long-lived, major arc volcanic locus. We contribute field observations, 40Ar/39Ar dates, paleomagnetic directions, and bulk rock and mineral compositions to characterize nine mafic units that erupted in association with the Goat Rocks volcanic cluster. The time frame of mafic volcanism, ca. 3.6 Ma to 60 ka, encompasses the lifespan of the central volcanic cluster (3.1 Ma to 115 ka), with a lull from ca. 2.7 Ma to 1.4 Ma. A climactic period of voluminous mafic activity and far-traveled lava flows, including construction of the Hogback Mountain shield volcano, coincided with voluminous andesite eruptions from the central volcanic cluster.
The basaltic rocks in the Goat Rocks area are calc-alkaline to barely tholeiitic and have high field strength element depletion relative to large-ion lithophile elements characteristic of calc-alkaline basalts (CAB) of the Cascade volcanic arc. Unlike at neighboring andesitic volcanic centers (Mounts Adams, St. Helens, and Rainier), no other mafic end members such as high-aluminum olivine tholeiite (HAOT) or intraplate-type basalt (IPB) are present at or near the Goat Rocks volcanic cluster, although some of the calc-alkaline basalts in this study have IPB-like affinities. The Goat Rocks mafic units exhibit two main temporal trends in composition: (1) the most primitive basalts erupted earlier, compared to less primitive and more evolved compositions later, and (2) high field strength element concentrations are higher in the younger basalt units relative to the oldest two. In contrast to these temporal trends, the mafic units define two compositional groups that recur through time, a low-Sr and a high-Sr group, each with distinct trace element and Sr and Nd isotope ratios. Although radiogenic isotope ratios are generally aligned with High Cascades CAB and HAOT, some extend toward IPB of Mount Adams and Simcoe Mountains volcanic field.
Olivine-dominated crystal fractionation at shallow pressure from a small range of parent magma compositions accounts for much of the variation among the basalts and basaltic andesites. A high-pressure fractionation model is plausible for only one of the youngest basalt units (basalt of Walupt Lake volcano). Mafic recharge and crustal assimilation accounts for the incompatible-element enriched composition of basaltic andesites erupted during construction of the largest andesitic centers, further supporting sustained basalt mass flux and thermal energy driving andesite genesis.
We model the most primitive members of the Goat Rocks mafic units as partial melts of successively less depleted mantle in time. Variable degrees of fluxing with fluids and melts from subduction explain the distinction between high-Sr and low-Sr groups. We propose that mantle metasomatism by ancestral subduction and fluid-flux melting is heterogeneously distributed through the local subarc mantle and played a greater role in the genesis of the high-Sr basalt group.
The limited range of primitive basalt types around the Goat Rocks volcanic cluster contrasts with the much greater diversity of basalts throughout the southern Washington to northern Oregon Cascade arc. On the other hand, the central volcanic cluster encompasses nearly the entire diversity observed at neighboring composite volcanoes. In the case of the Goat Rocks area at least, and perhaps attributable to the entire region, this means that the genesis of diverse intermediate magmas is independent from and does not require vastly different parental basalt compositions.
","language":"English","publisher":"Geological Society of America","doi":"10.1130/B38046.1","usgsCitation":"Wall, K., Grunder, A.L., Biasi, J., Weis, D., Swanson, D., and Stelten, M.E., 2026, Origin and evolution of mafic volcanism associated with 3 m.y. of andesite production at the Goat Rocks volcanic cluster, southern Washington Cascade Range: Geological Society of America Bulletin, v. 138, no. 1-2, p. 709-743, https://doi.org/10.1130/B38046.1.","productDescription":"35 p.","startPage":"709","endPage":"743","ipdsId":"IP-171208","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":495199,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"Canada, United States","state":"California, Oregon, Washington","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -128.395483482341,\n 50.865572536238915\n ],\n [\n -125.60869035746057,\n 46.041667735587566\n ],\n [\n -124.98377466492585,\n 38.57668752987752\n ],\n [\n -120.96754220889056,\n 38.41486403323435\n ],\n [\n -121.34435422163615,\n 48.16096017318148\n ],\n [\n -123.77679244748882,\n 51.47194946290554\n ],\n [\n -128.395483482341,\n 50.865572536238915\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"138","issue":"1-2","noUsgsAuthors":false,"publicationDate":"2025-09-04","publicationStatus":"PW","contributors":{"authors":[{"text":"Wall, Kellie Taylor 0000-0002-2391-6658","orcid":"https://orcid.org/0000-0002-2391-6658","contributorId":353879,"corporation":false,"usgs":true,"family":"Wall","given":"Kellie Taylor","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":948055,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Grunder, Anita L.","contributorId":194549,"corporation":false,"usgs":false,"family":"Grunder","given":"Anita","middleInitial":"L.","affiliations":[],"preferred":false,"id":948056,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Biasi, Joseph","contributorId":189110,"corporation":false,"usgs":false,"family":"Biasi","given":"Joseph","email":"","affiliations":[],"preferred":false,"id":948057,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Weis, Dominique","contributorId":236887,"corporation":false,"usgs":false,"family":"Weis","given":"Dominique","affiliations":[],"preferred":false,"id":948058,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Swanson, Don 0000-0002-1680-3591 donswan@usgs.gov","orcid":"https://orcid.org/0000-0002-1680-3591","contributorId":168817,"corporation":false,"usgs":true,"family":"Swanson","given":"Don","email":"donswan@usgs.gov","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":948059,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Stelten, Mark E. 0000-0002-5294-3161 mstelten@usgs.gov","orcid":"https://orcid.org/0000-0002-5294-3161","contributorId":145923,"corporation":false,"usgs":true,"family":"Stelten","given":"Mark","email":"mstelten@usgs.gov","middleInitial":"E.","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"preferred":true,"id":948060,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70271727,"text":"70271727 - 2026 - Using periodic matrix models to simulate the effectiveness of alternative reintroduction strategies for lizards on a seasonal tropical island","interactions":[],"lastModifiedDate":"2026-05-07T15:37:07.319047","indexId":"70271727","displayToPublicDate":"2025-08-22T08:58:12","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":774,"text":"Animal Conservation","active":true,"publicationSubtype":{"id":10}},"title":"Using periodic matrix models to simulate the effectiveness of alternative reintroduction strategies for lizards on a seasonal tropical island","docAbstract":"Conservation translocations and reintroductions are widely used to improve conservation outcomes for declining species. Reintroductions are unlikely to be successful if the threats that led to the extirpation of the focal species, such as non-native predators, have not been ameliorated. The non-native brown treesnake (Boiga irregularis) was introduced to Guam in the mid-20th century and has devastated the native lizard fauna of this Pacific Island. Native lizard populations persist on small islands near Guam and could act as sources for reintroductions. Recently, trapping methods have been shown to greatly reduce the density of brown treesnakes, raising the possibility that native lizards could be reintroduced where brown treesnake abundance is controlled. Here we developed demographic models for four lizard species present on Guam to assess their validity as a trial for reintroducing species to meet native species recovery goals. These four species vary in their size, activity, and susceptibility to predation by brown treesnakes. We used periodic matrix models to simulate changes in lizard vital rates driven by the wet-dry seasonal cycle found on Guam. We found that the release of 60 individuals of each species was likely to result in successful reintroduction outcomes provided adult survival in the wild is similar to rates estimated based on life history parameters. Demographic models can be used to forecast reintroduction outcomes, including predicting the probability of success and evaluating causes of failure in the event that populations do not establish.
","language":"English","publisher":"Zoological Society of London","doi":"10.1111/acv.70033","usgsCitation":"Rose, J.P., Halstead, B.J., and Nafus, M.G., 2026, Using periodic matrix models to simulate the effectiveness of alternative reintroduction strategies for lizards on a seasonal tropical island: Animal Conservation, v. 29, no. 2, p. 157-168, https://doi.org/10.1111/acv.70033.","productDescription":"12 p.","startPage":"157","endPage":"168","ipdsId":"IP-157311","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":495835,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":496141,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/acv.70033","text":"Publisher Index Page"}],"country":"United States","otherGeospatial":"Guam","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n 145.0069622718084,\n 13.65408637492817\n ],\n [\n 144.57903827244206,\n 13.65408637492817\n ],\n [\n 144.57903827244206,\n 13.222559261674391\n ],\n [\n 145.0069622718084,\n 13.222559261674391\n ],\n [\n 145.0069622718084,\n 13.65408637492817\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"29","issue":"2","noUsgsAuthors":false,"publicationDate":"2025-08-22","publicationStatus":"PW","contributors":{"authors":[{"text":"Rose, Jonathan P. 0000-0003-0874-9166 jprose@usgs.gov","orcid":"https://orcid.org/0000-0003-0874-9166","contributorId":199339,"corporation":false,"usgs":true,"family":"Rose","given":"Jonathan","email":"jprose@usgs.gov","middleInitial":"P.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":949209,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Halstead, Brian J. 0000-0002-5535-6528 bhalstead@usgs.gov","orcid":"https://orcid.org/0000-0002-5535-6528","contributorId":215986,"corporation":false,"usgs":true,"family":"Halstead","given":"Brian","email":"bhalstead@usgs.gov","middleInitial":"J.","affiliations":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"preferred":true,"id":949210,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Nafus, Melia G. 0000-0002-7325-3055 mnafus@usgs.gov","orcid":"https://orcid.org/0000-0002-7325-3055","contributorId":197462,"corporation":false,"usgs":true,"family":"Nafus","given":"Melia","email":"mnafus@usgs.gov","middleInitial":"G.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":949211,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70273037,"text":"70273037 - 2026 - The story of the Penobscot River Ecology Mural: A 10-step process for scientists to create public art","interactions":[],"lastModifiedDate":"2026-03-23T14:09:04.427063","indexId":"70273037","displayToPublicDate":"2025-08-20T09:57:26","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1657,"text":"Fisheries","onlineIssn":"1548-8446","printIssn":"0363-2415","active":true,"publicationSubtype":{"id":10}},"title":"The story of the Penobscot River Ecology Mural: A 10-step process for scientists to create public art","docAbstract":"Rivers are home to a wide variety of biota, including fishes, amphibians, reptiles, birds, freshwater mussels, aquatic insects, and microscopic organisms that fill unique niches to support broader ecosystem functions. While the general public may be aware of recreationally relevant biological life (e.g., fishes and insects to model flyfishing flies from), they may not be aware of more obscure yet important taxa. For example, freshwater mussels (Unionidae) improve water quality and clarity of rivers through filtration (Vaughn, 2018), which is vital to riverine ecosystems. Despite this importance, lack of public knowledge about freshwater mussels is the second biggest challenge to their management (Bouska et al., 2018). How do we best get the public to see value in underappreciated taxa to support their conservation?
Public art installations can spread awareness about science effectively because they distill information for broader audiences, are eye-catching, and reach people through an emotional, aesthetic, and personal lens (Thompson et al., 2023). While invertebrates are generally viewed by the public with fear and aversion (Kellert, 1993) this can be ameliorated through interaction and learning, particularly for children (Miller et al., 2025). Through cross-disciplinary collaboration between artists, scientists and the local community, we created the “Penobscot River Ecology Mural,” a scientifically informed artwork featuring underappreciated taxa like mussels and insects. In this article, we will elucidate the story of how we successfully made this piece through 10 steps, which provide a blueprint for future endeavors.
","language":"English","publisher":"Oxford Academic","doi":"10.1093/fshmag/vuaf076","usgsCitation":"Fedarick, J., Murphy, C.A., Record, S., Roy, A.H., Dodd, A., and Smith, S.L., 2026, The story of the Penobscot River Ecology Mural: A 10-step process for scientists to create public art: Fisheries, v. 51, no. 3, p. 127-134, https://doi.org/10.1093/fshmag/vuaf076.","productDescription":"8 p.","startPage":"127","endPage":"134","ipdsId":"IP-179161","costCenters":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"links":[{"id":497488,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Maine","otherGeospatial":"Penobscot River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -70.3050665107863,\n 46.243130266293264\n ],\n [\n -70.3050665107863,\n 44.26117875845529\n ],\n [\n -67.98572861409896,\n 44.26117875845529\n ],\n [\n -67.98572861409896,\n 46.243130266293264\n ],\n [\n -70.3050665107863,\n 46.243130266293264\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"51","issue":"3","noUsgsAuthors":false,"publicationDate":"2025-08-20","publicationStatus":"PW","contributors":{"authors":[{"text":"Fedarick, Jillian","contributorId":363950,"corporation":false,"usgs":false,"family":"Fedarick","given":"Jillian","affiliations":[],"preferred":false,"id":952126,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Murphy, Christina Amy 0000-0002-3467-6610","orcid":"https://orcid.org/0000-0002-3467-6610","contributorId":335232,"corporation":false,"usgs":true,"family":"Murphy","given":"Christina","email":"","middleInitial":"Amy","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":true,"id":952127,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Record, Sydne 0000-0001-7293-2155","orcid":"https://orcid.org/0000-0001-7293-2155","contributorId":353707,"corporation":false,"usgs":false,"family":"Record","given":"Sydne","affiliations":[{"id":7063,"text":"University of Maine","active":true,"usgs":false}],"preferred":false,"id":952128,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Roy, Allison H. 0000-0002-8080-2729 aroy@usgs.gov","orcid":"https://orcid.org/0000-0002-8080-2729","contributorId":4240,"corporation":false,"usgs":true,"family":"Roy","given":"Allison","email":"aroy@usgs.gov","middleInitial":"H.","affiliations":[{"id":199,"text":"Coop Res Unit Leetown","active":true,"usgs":true}],"preferred":true,"id":952129,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Dodd, Annette","contributorId":363953,"corporation":false,"usgs":false,"family":"Dodd","given":"Annette","affiliations":[],"preferred":false,"id":952130,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Smith, Susan L.","contributorId":363954,"corporation":false,"usgs":false,"family":"Smith","given":"Susan","middleInitial":"L.","affiliations":[],"preferred":false,"id":952131,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70274076,"text":"70274076 - 2026 - Temporal associations between ambrosia beetles and ʻōhiʻa (Metrosideros polymorpha) artificially inoculated with Ceratocystis lukuohia","interactions":[],"lastModifiedDate":"2026-02-23T16:21:05.664149","indexId":"70274076","displayToPublicDate":"2025-08-11T10:15:47","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":17777,"text":"Agricultural and Forest Entomology","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Temporal associations between ambrosia beetles and ʻōhiʻa (Metrosideros polymorpha) artificially inoculated with Ceratocystis lukuohia","title":"Temporal associations between ambrosia beetles and ʻōhiʻa (Metrosideros polymorpha) artificially inoculated with Ceratocystis lukuohia","docAbstract":"American black bears (Ursus americanus) have been documented to have top-down effects, both consumptive (through predation) and nonconsumptive (through fear effects). However, their behavioural and dietary adaptability has led to uncertainty about the conditions under which these may occur.
We aimed to (1) investigate when, where, and how often black bears influence lower trophic levels, and (2) critically assess the experimental design of such studies to determine trends and biases.
We conducted a systematic literature search and used linear mixed-effects models to assess the relationships among prey age class, the presence of other large carnivores, and the percentage of ungulate mortality due to black bears. We also summarised the measured effects of black bears on other carnivores and the results of any experimental studies.
We found a strong negative relationship between puma presence and the percentage of ungulate mortality due to black bears, but only in areas with at least one other large carnivore (e.g., wolves). Among 16 studies of black bears' impacts on other carnivores, most documented negative behavioural effects. While only 5% of studies had strong experimental design, bear removal consistently increased juvenile ungulate survival.
Our findings highlight black bears' strong top-down effects, resembling or exceeding those of other large carnivores. These effects were greatest when no other large carnivores were present, but as highly effective kleptoparasites, black bears can alter the feeding habits of other large carnivores. Thus, we argue that ‘apex’ is a conditional state, not a species-wide status.
","language":"English","publisher":"Wiley","doi":"10.1111/mam.70014","usgsCitation":"John M. Nettles, Caroline M. Abramowitz, Wesley W. Boone, Stephen N. Harris, Chloe E. Horton, Meghan P. Keating, Dana L. Nelson, Samantha N. Smith, Katelyn N. Steen, Buchholtz, E.K., and David S. Jachowski, 2026, The American black bear (Ursus americanus) as an apex predator: Investigating the ecological role of the world’s most abundant large carnivore: Mammal Review, v. 56, no. 1, e70014, 13 p., https://doi.org/10.1111/mam.70014.","productDescription":"e70014, 13 p.","ipdsId":"IP-178190","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":496763,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/mam.70014","text":"Publisher Index Page"},{"id":496697,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"56","issue":"1","noUsgsAuthors":false,"publicationDate":"2025-08-05","publicationStatus":"PW","contributors":{"authors":[{"text":"John M. Nettles","contributorId":362535,"corporation":false,"usgs":false,"family":"John M. Nettles","affiliations":[{"id":7084,"text":"Clemson University","active":true,"usgs":false}],"preferred":false,"id":950585,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Caroline M. Abramowitz","contributorId":362537,"corporation":false,"usgs":false,"family":"Caroline M. Abramowitz","affiliations":[{"id":7084,"text":"Clemson University","active":true,"usgs":false}],"preferred":false,"id":950586,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wesley W. Boone","contributorId":362539,"corporation":false,"usgs":false,"family":"Wesley W. Boone","affiliations":[{"id":7084,"text":"Clemson University","active":true,"usgs":false}],"preferred":false,"id":950587,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Stephen N. Harris","contributorId":362542,"corporation":false,"usgs":false,"family":"Stephen N. Harris","affiliations":[{"id":7084,"text":"Clemson University","active":true,"usgs":false}],"preferred":false,"id":950588,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Chloe E. Horton","contributorId":362545,"corporation":false,"usgs":false,"family":"Chloe E. Horton","affiliations":[{"id":7084,"text":"Clemson University","active":true,"usgs":false}],"preferred":false,"id":950589,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Meghan P. Keating","contributorId":362548,"corporation":false,"usgs":false,"family":"Meghan P. Keating","affiliations":[{"id":7084,"text":"Clemson University","active":true,"usgs":false}],"preferred":false,"id":950590,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Dana L. Nelson","contributorId":362551,"corporation":false,"usgs":false,"family":"Dana L. Nelson","affiliations":[{"id":7084,"text":"Clemson University","active":true,"usgs":false}],"preferred":false,"id":950591,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Samantha N. Smith","contributorId":362554,"corporation":false,"usgs":false,"family":"Samantha N. Smith","affiliations":[{"id":7084,"text":"Clemson University","active":true,"usgs":false}],"preferred":false,"id":950592,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Katelyn N. Steen","contributorId":362557,"corporation":false,"usgs":false,"family":"Katelyn N. Steen","affiliations":[{"id":7084,"text":"Clemson University","active":true,"usgs":false}],"preferred":false,"id":950593,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Buchholtz, Erin K. 0000-0002-1985-9531","orcid":"https://orcid.org/0000-0002-1985-9531","contributorId":300162,"corporation":false,"usgs":true,"family":"Buchholtz","given":"Erin","middleInitial":"K.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":950594,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"David S. Jachowski","contributorId":362561,"corporation":false,"usgs":false,"family":"David S. Jachowski","affiliations":[{"id":7084,"text":"Clemson University","active":true,"usgs":false}],"preferred":false,"id":950595,"contributorType":{"id":1,"text":"Authors"},"rank":11}]}} ,{"id":70273740,"text":"70273740 - 2026 - Performance evaluation of natural and nature-based features for coastal protection and co-benefits","interactions":[],"lastModifiedDate":"2026-01-27T17:12:13.726452","indexId":"70273740","displayToPublicDate":"2025-08-04T11:07:34","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":811,"text":"Annual Review of Marine Science","active":true,"publicationSubtype":{"id":10}},"title":"Performance evaluation of natural and nature-based features for coastal protection and co-benefits","docAbstract":"Built infrastructure, such as seawalls and levees, has long been used to reduce shoreline erosion and protect coastal properties from flood impacts. In contrast, natural and nature-based features (NNBF), including marshes, mangroves, oyster reefs, coral reefs, and seagrasses, offer not only coastal protection but also a range of valuable ecosystem services. There is no clear understanding of the capacity of either natural habitats or NNBF integrated with traditional engineered infrastructure to withstand extreme events, nor are there well-defined breakpoints at which these habitats fail to provide coastal protection. Evaluating existing NNBF strategies using a standardized set of metrics can help to assess their effectiveness to better inform design criteria. This review identifies a selection of NNBF projects with long-term monitoring programs and synthesizes the monitoring data to provide a literature-based performance assessment. It also explores the integration of NNBF with existing gray infrastructure to enhance overall effectiveness.
","language":"English","publisher":"Annual Reviews","doi":"10.1146/annurev-marine-040423-023251","usgsCitation":"Reidenbach, M., Li, M., Rose, K., Tomiczek, T., Morris, J., Palinkas, C.M., Staver, L., Nardin, W., Gray, M., Lee, S., Sutton-Grier, A.E., and Hruska, A., 2026, Performance evaluation of natural and nature-based features for coastal protection and co-benefits: Annual Review of Marine Science, v. 18, p. 245-273, https://doi.org/10.1146/annurev-marine-040423-023251.","productDescription":"29 p.","startPage":"245","endPage":"273","ipdsId":"IP-176067","costCenters":[{"id":506,"text":"Office of the AD Ecosystems","active":true,"usgs":true}],"links":[{"id":499321,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1146/annurev-marine-040423-023251","text":"Publisher Index Page"},{"id":499101,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"18","noUsgsAuthors":false,"publicationDate":"2025-08-04","publicationStatus":"PW","contributors":{"authors":[{"text":"Reidenbach, Matthew","contributorId":365633,"corporation":false,"usgs":false,"family":"Reidenbach","given":"Matthew","affiliations":[{"id":25492,"text":"University of Virginia","active":true,"usgs":false}],"preferred":false,"id":954491,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Li, Ming","contributorId":55714,"corporation":false,"usgs":true,"family":"Li","given":"Ming","email":"","affiliations":[],"preferred":false,"id":954492,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rose, Kenneth","contributorId":350225,"corporation":false,"usgs":false,"family":"Rose","given":"Kenneth","affiliations":[{"id":6708,"text":"Virginia Institute of Marine Science","active":true,"usgs":false}],"preferred":false,"id":954493,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Tomiczek, Tori","contributorId":365636,"corporation":false,"usgs":false,"family":"Tomiczek","given":"Tori","affiliations":[{"id":87168,"text":"United States Naval Academy","active":true,"usgs":false}],"preferred":false,"id":954494,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Morris, James","contributorId":299664,"corporation":false,"usgs":false,"family":"Morris","given":"James","affiliations":[{"id":37804,"text":"University of South Carolina","active":true,"usgs":false}],"preferred":false,"id":954495,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Palinkas, Cindy M","contributorId":258320,"corporation":false,"usgs":false,"family":"Palinkas","given":"Cindy","email":"","middleInitial":"M","affiliations":[{"id":37215,"text":"University of Maryland Center for Environmental Science","active":true,"usgs":false}],"preferred":false,"id":954496,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Staver, Lorie","contributorId":208068,"corporation":false,"usgs":false,"family":"Staver","given":"Lorie","affiliations":[{"id":37705,"text":"University of Maryland Center for Environmental Science, Horn Point Laboratory, Cambridge, Md","active":true,"usgs":false}],"preferred":false,"id":954497,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Nardin, William","contributorId":365034,"corporation":false,"usgs":false,"family":"Nardin","given":"William","affiliations":[{"id":35259,"text":"Horn Point Laboratory, University of Maryland","active":true,"usgs":false}],"preferred":false,"id":954498,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Gray, Matthew J.","contributorId":338549,"corporation":false,"usgs":false,"family":"Gray","given":"Matthew J.","affiliations":[{"id":81151,"text":"University of Tennessee, Knoxville, Tennessee, USA","active":true,"usgs":false}],"preferred":false,"id":954499,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Lee, Serena","contributorId":365637,"corporation":false,"usgs":false,"family":"Lee","given":"Serena","affiliations":[{"id":37658,"text":"California Polytechnic State University","active":true,"usgs":false}],"preferred":false,"id":954500,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Sutton-Grier, Ariana Eileen 0000-0002-1242-7728","orcid":"https://orcid.org/0000-0002-1242-7728","contributorId":346295,"corporation":false,"usgs":true,"family":"Sutton-Grier","given":"Ariana","email":"","middleInitial":"Eileen","affiliations":[{"id":24693,"text":"Climate Research and Development","active":true,"usgs":true}],"preferred":true,"id":954501,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Hruska, Amy","contributorId":365638,"corporation":false,"usgs":false,"family":"Hruska","given":"Amy","affiliations":[{"id":87171,"text":"Underwood and Associates","active":true,"usgs":false}],"preferred":false,"id":954502,"contributorType":{"id":1,"text":"Authors"},"rank":12}]}} ,{"id":70269552,"text":"70269552 - 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Following interest from Indigenous leaders, we initiated a partnership-driven effort to (1) assess climate effects and (2) develop potential adaptation options for Namāēw using a participatory, transdisciplinary approach that combines multiple ways of knowing. Through a literature review and nine semistructured conversations with officials from Indigenous Nations and organizations in the Great Lakes, we identified central themes including access, culture, and fish persistence. Other concerns included habitat, food web shifts, and water quality. Prominent adaptation themes involved population assessments, stocking, regulations, habitat restoration, interagency coordination, and cultural advocacy. These findings underscore the importance of partnership-driven research to support Indigenous fisheries through knowledge coproduction and equitable adaptation. Our approach provides a model to inform stewardship planning for fisheries that are facing global change.
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in the trade regarding alien species issues is largely undocumented. Therefore, we administered a survey to investigate attitudes and behaviors of aquarists and non-aquarists regarding the aquarium trade as a pathway for invasive species introductions. We hypothesized aquarists would be better educated on potential introductions than non-aquarists. Due to their engagement with organisms and replication of natural habitats, we also expected aquarists would exhibit more positive attitudes and behaviors toward the environment than non-aquarists. Most respondents seemingly understood the severity of invasive species problems, regardless of status as an aquarist. Aquarists thought the aquarium trade was less responsible for species introductions than non-aquarists and also felt more aware of laws regarding invasive species. However, over half of aquarists disposed of aquarium water down a drain in their house or directly into a nearby water body, which is a known mode of invasion. This information can inform further efforts to provide educational opportunities for participants in the non-native pet/aquarium trade, with the goal of enhancing protection efforts for native biodiversity.
","language":"English","publisher":"Springer","doi":"10.1007/s10750-025-05930-1","collaboration":"Louisiana State University","usgsCitation":"Brown, J., Kelso, W.E., Rodrigo, D., Daniel, W., Brassard, H., and Kaller, M.D., 2026, Invasive species in the aquarium trade: Survey of attitudes, behaviors, and knowledge among US participants: Hydrobiologia, v. 853, p. 281-297, https://doi.org/10.1007/s10750-025-05930-1.","productDescription":"17 p.","startPage":"281","endPage":"297","ipdsId":"IP-180149","costCenters":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":492501,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1007/s10750-025-05930-1","text":"Publisher Index Page"},{"id":492343,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alabama, Arkansas, Florida, Iowa, Louisiana, Mississippi, Missouri, 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\"}}]}","volume":"853","edition":"Online First","noUsgsAuthors":false,"publicationDate":"2025-07-05","publicationStatus":"PW","contributors":{"authors":[{"text":"Brown, Joseph V.","contributorId":358059,"corporation":false,"usgs":false,"family":"Brown","given":"Joseph V.","affiliations":[{"id":5115,"text":"Louisiana State University","active":true,"usgs":false}],"preferred":false,"id":943218,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kelso, William E.","contributorId":300766,"corporation":false,"usgs":false,"family":"Kelso","given":"William","email":"","middleInitial":"E.","affiliations":[{"id":5115,"text":"Louisiana State University","active":true,"usgs":false}],"preferred":false,"id":943219,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Rodrigo, Diaz","contributorId":358061,"corporation":false,"usgs":false,"family":"Rodrigo","given":"Diaz","affiliations":[{"id":5115,"text":"Louisiana State University","active":true,"usgs":false}],"preferred":false,"id":943220,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Daniel, Wesley M. 0000-0002-7656-8474","orcid":"https://orcid.org/0000-0002-7656-8474","contributorId":214947,"corporation":false,"usgs":true,"family":"Daniel","given":"Wesley","middleInitial":"M.","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":943221,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Brassard, Haley M.","contributorId":358063,"corporation":false,"usgs":false,"family":"Brassard","given":"Haley M.","affiliations":[{"id":5115,"text":"Louisiana State University","active":true,"usgs":false}],"preferred":false,"id":943222,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Kaller, Michael D. 0000-0002-1239-7725","orcid":"https://orcid.org/0000-0002-1239-7725","contributorId":300764,"corporation":false,"usgs":false,"family":"Kaller","given":"Michael","email":"","middleInitial":"D.","affiliations":[{"id":5115,"text":"Louisiana State University","active":true,"usgs":false}],"preferred":false,"id":943223,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70268472,"text":"70268472 - 2026 - Simulated soundscapes and transfer learning boost the performance of acoustic classifiers under data scarcity","interactions":[],"lastModifiedDate":"2026-02-09T15:57:58.886664","indexId":"70268472","displayToPublicDate":"2025-06-26T07:51:58","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2717,"text":"Methods in Ecology and Evolution","active":true,"publicationSubtype":{"id":10}},"title":"Simulated soundscapes and transfer learning boost the performance of acoustic classifiers under data scarcity","docAbstract":"1. The biodiversity crisis necessitates spatially extensive methods to monitor multiple taxonomic groups for evidence of change in response to evolving environmental conditions. Programs that combine passive acoustic monitoring and machine learning are increasingly used to meet this need. These methods require large, annotated datasets, which are time-consuming and expensive to produce, creating potential barriers to adoption in data- and funding-poor regions. Recently released pre-trained avian acoustic classification models provide opportunities to reduce the need for manual labelling and accelerate the development of new acoustic classification algorithms through transfer learning. Transfer learning is a strategy for developing algorithms under data scarcity that uses pre-trained models from related tasks to adapt to new tasks.
2. Our primary objective was to develop a transfer learning strategy using the feature embeddings of a pre-trained avian classification model to train custom acoustic classification models in data-scarce contexts. We used three annotated avian acoustic datasets to test whether transfer learning and soundscape simulation-based data augmentation could substantially reduce the annotated training data necessary to develop performant custom acoustic classifiers. We also conducted a sensitivity analysis for hyperparameter choice and model architecture. We then assessed the generalizability of our strategy to increasingly novel non-avian classification tasks.
3. With as few as two training examples per class, our soundscape simulation data augmentation approach consistently yielded new classifiers with improved performance relative to the pre-trained classification model and transfer learning classifiers trained with other augmentation approaches. Performance increases were evident for three avian test datasets, including single-class and multi-label contexts. We observed that the relative performance among our data augmentation approaches varied for the avian datasets and nearly converged for one dataset when we included more training examples.
4. We demonstrate an efficient approach to developing new acoustic classifiers leveraging open-source sound repositories and pre-trained networks to reduce manual labelling. With very few examples, our soundscape simulation approach to data augmentation yielded classifiers with performance equivalent to those trained with many more examples, showing it is possible to reduce manual label-ling while still achieving high-performance classifiers and, in turn, expanding the potential for passive acoustic monitoring to address rising biodiversity monitoring needs.
","language":"English","publisher":"British Ecological Society","doi":"10.1111/2041-210X.70089","usgsCitation":"Weldy, M.J., Lesmeister, D.B., Denton, T., Duarte, A., Vernasco, B.J., Gasc, A., Rowe, J., Adams, M.J., and Betts, M., 2026, Simulated soundscapes and transfer learning boost the performance of acoustic classifiers under data scarcity: Methods in Ecology and Evolution, v. 17, no. 2, p. 322-338, https://doi.org/10.1111/2041-210X.70089.","productDescription":"17 p.","startPage":"322","endPage":"338","ipdsId":"IP-169596","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"links":[{"id":491718,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/2041-210x.70089","text":"Publisher Index Page"},{"id":491528,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"17","issue":"2","noUsgsAuthors":false,"publicationDate":"2025-06-26","publicationStatus":"PW","contributors":{"authors":[{"text":"Weldy, Matthew J","contributorId":300545,"corporation":false,"usgs":false,"family":"Weldy","given":"Matthew","email":"","middleInitial":"J","affiliations":[{"id":65191,"text":"Pacific Northwest Research Station, USDA Forest Service, Corvallis, OR 97331, USA; Department of Forest Ecosystems and Society, Oregon State University, Corvallis, OR 97331, USA","active":true,"usgs":false}],"preferred":false,"id":941424,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Lesmeister, Damon B. 0000-0003-1102-0122","orcid":"https://orcid.org/0000-0003-1102-0122","contributorId":205006,"corporation":false,"usgs":false,"family":"Lesmeister","given":"Damon","email":"","middleInitial":"B.","affiliations":[{"id":37019,"text":"USDA Forest Service, Pacific Northwest Research Station","active":true,"usgs":false}],"preferred":false,"id":941425,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Denton, Tom 0000-0003-3866-0031","orcid":"https://orcid.org/0000-0003-3866-0031","contributorId":351479,"corporation":false,"usgs":false,"family":"Denton","given":"Tom","affiliations":[{"id":83995,"text":"Google Deepmind, Google","active":true,"usgs":false}],"preferred":false,"id":941426,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Duarte, Adam","contributorId":337608,"corporation":false,"usgs":false,"family":"Duarte","given":"Adam","affiliations":[{"id":6680,"text":"Oregon State University","active":true,"usgs":false}],"preferred":false,"id":941427,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Vernasco, Ben J.","contributorId":166945,"corporation":false,"usgs":false,"family":"Vernasco","given":"Ben","email":"","middleInitial":"J.","affiliations":[{"id":24577,"text":"University of Minnesota, St. Paul, MN","active":true,"usgs":false}],"preferred":false,"id":941428,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Gasc, Amandine 0000-0001-8369-4930","orcid":"https://orcid.org/0000-0001-8369-4930","contributorId":357451,"corporation":false,"usgs":false,"family":"Gasc","given":"Amandine","affiliations":[{"id":85421,"text":"Institut Méditerranéen de Biodiversité et d'Ecologie marine et continentale","active":true,"usgs":false}],"preferred":false,"id":941429,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Rowe, Jennifer 0000-0002-5253-2223 jrowe@usgs.gov","orcid":"https://orcid.org/0000-0002-5253-2223","contributorId":172670,"corporation":false,"usgs":true,"family":"Rowe","given":"Jennifer","email":"jrowe@usgs.gov","affiliations":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true},{"id":289,"text":"Forest and Rangeland Ecosys Science Center","active":true,"usgs":true}],"preferred":true,"id":941430,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Adams, Michael J. 0000-0001-8844-042X","orcid":"https://orcid.org/0000-0001-8844-042X","contributorId":211916,"corporation":false,"usgs":true,"family":"Adams","given":"Michael","email":"","middleInitial":"J.","affiliations":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"preferred":true,"id":941431,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Betts, Matthew G.","contributorId":340630,"corporation":false,"usgs":false,"family":"Betts","given":"Matthew G.","affiliations":[{"id":6680,"text":"Oregon State University","active":true,"usgs":false}],"preferred":false,"id":941432,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}} ,{"id":70268799,"text":"70268799 - 2026 - Complex carbonate ore mineralogy in the Mountain Pass carbonatite rare earth element deposit, USA","interactions":[],"lastModifiedDate":"2026-01-05T16:31:18.882049","indexId":"70268799","displayToPublicDate":"2025-06-24T09:17:39","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":738,"text":"American Mineralogist","active":true,"publicationSubtype":{"id":10}},"title":"Complex carbonate ore mineralogy in the Mountain Pass carbonatite rare earth element deposit, USA","docAbstract":"Economic concentrations of rare earth element (REE) minerals are uncommon in the Earth’s crust, with most occurring in carbonatites. Unlike most igneous rocks composed of silicate minerals, carbonatites are dominated by carbonate minerals, some of which can incorporate significant light REEs (LREEs; La, Ce, Pr, Nd). Technological applications of REEs are numerous and they have been identified as some of the most critical mineral commodities to the global economy. The Mountain Pass carbonatite stock in the Mojave Desert of California is the most economically significant REE deposit in the USA and contains a few to tens of percent (by volume) of the carbonate REE ore mineral bastnäsite. Despite the economic significance of the Mountain Pass deposit, studies of its ore mineralogy are limited. Here we present new carbonate ore mineralogy data for a compositionally diverse suite of carbonatitic rocks from the Mountain Pass stock and related dikes. Whole-rock geochemical data are integrated with mineral-scale textural and chemical data obtained by scanning electron microscopy (SEM), electron probe microanalysis (EPMA), and microRaman spectroscopy. Our results document a complex spectrum of REE-bearing carbonate minerals and intermediate mixed-layer structures. Mineral species include bastnäsite [REE(CO3)F], hydroxylbastnäsite [REE(CO3)OH], parisite [Ca(REE)2(CO3)3F2], synchysite [Ca(REE)(CO3)2F], röntgenite [Ca2(Ce,La)3(CO3)5F3], and sahamalite [(Mg,Fe2+)(REE)2(CO3)4]. Carbonate ore mineralogy is heterogeneous within and between samples, including at the intracrystal scale. Complexly zoned crystals exhibit as many as five to six different compositional domains and syntaxial intergrowths, commonly with the more Ca-rich varieties (parisite, synchysite) forming crystal rims that surround relict bastnäsite cores. We attribute the phenocryst variability to changes in the chemistry and temperature of primary carbonatite magmas and evolved/exsolved fluids. Cross-cutting vein textures of calcite, celestine and various REE carbonate minerals, interstitial bastnäsite crystallization, breccia blocks lined by fine-grained bastnäsite, and the presence of hydroxylbastnäsite and partially hydroxylated bastnäsite point to the role of secondary hydrothermal processes in REE mineralization. Fluorcarbonate mineral compositions demonstrate that La and Ce are more structurally abundant in bastnäsite, whereas the more Ca-rich species (parisite, synchysite) contain a greater proportion of REE heavier than Pr (Nd, Sm, Eu, Gd) and Y. Atomic ratios of Pr/(Nd + Pr) are likewise variable, with the highest average value for bastnäsite (0.25) compared to parisite (0.22) and sychysite (0.21). This finding has geometallurgical implications, given that current mining operations are focused on recovery of Nd and Pr for high field strength permanent magnets and the Nd/Pr ratios are a critical factor in ore processing and magnet manufacture.
","language":"English","publisher":"Mineralogical Society of America","doi":"10.2138/am-2025-9822","usgsCitation":"Watts, K., and Andersen, A.K., 2026, Complex carbonate ore mineralogy in the Mountain Pass carbonatite rare earth element deposit, USA: American Mineralogist, v. 111, no. 1, p. 11-28, https://doi.org/10.2138/am-2025-9822.","productDescription":"18 p.","startPage":"11","endPage":"28","ipdsId":"IP-177044","costCenters":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"links":[{"id":491816,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"Mojave Desert","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -116.7207777205175,\n 34.770376743385455\n ],\n [\n -116.7207777205175,\n 33.763579479875446\n ],\n [\n -114.52759201972991,\n 33.763579479875446\n ],\n [\n -114.52759201972991,\n 34.770376743385455\n ],\n [\n -116.7207777205175,\n 34.770376743385455\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"111","issue":"1","noUsgsAuthors":false,"publicationDate":"2026-01-01","publicationStatus":"PW","contributors":{"authors":[{"text":"Watts, Kathryn E. 0000-0002-6110-7499","orcid":"https://orcid.org/0000-0002-6110-7499","contributorId":204344,"corporation":false,"usgs":true,"family":"Watts","given":"Kathryn E.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":942029,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Andersen, Allen K. 0000-0002-6865-2561","orcid":"https://orcid.org/0000-0002-6865-2561","contributorId":217476,"corporation":false,"usgs":true,"family":"Andersen","given":"Allen","email":"","middleInitial":"K.","affiliations":[{"id":312,"text":"Geology, Minerals, Energy, and Geophysics Science Center","active":true,"usgs":true}],"preferred":true,"id":942030,"contributorType":{"id":1,"text":"Authors"},"rank":2}]}} ,{"id":70275618,"text":"70275618 - 2026 - Inland habitat selection model for wintering whooping cranes","interactions":[],"lastModifiedDate":"2026-05-05T17:36:31.4674","indexId":"70275618","displayToPublicDate":"2025-06-01T00:00:00","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":12807,"text":"Proceedings of the North American Crane Workshop","active":true,"publicationSubtype":{"id":10}},"title":"Inland habitat selection model for wintering whooping cranes","docAbstract":"Inland habitat use by wintering Aransas-Wood Buffalo whooping cranes (Grus americana) is expected to increase given projected population growth and observations of some whooping cranes using inland winter habitat in addition to coastal marshes. We developed resource utilization functions using ‘random forests’ to model whooping crane use as a function of environmental covariates considered important for whooping crane use. Covariates associated with distance to cropland, distance to development, and wetness or standing water were the most influential in model prediction. The model estimated that the 50% predicted use contour encompassed 34,925 hectares (ha) and the 95% predicted use contour encompassed 328,928 ha within the study area. While presently limited by the small sample size of inland wintering areas observations (n = 7 cranes with ≥50 locations), this model provides an initial tool for identifying potential impacts to whooping crane inland habitat use in proximity to anthropogenic development. The model can be expanded to incorporate future data to reduce uncertainty.
","language":"English","publisher":"North American Crane Working Group","usgsCitation":"Tyrell, K., Brightwell, K., Crane, M., Harrell, W.C., Palmer, R., Pearse, A.T., and Owen, T., 2026, Inland habitat selection model for wintering whooping cranes: Proceedings of the North American Crane Workshop, v. 16, p. 95-103.","productDescription":"12 p.","startPage":"95","endPage":"103","ipdsId":"IP-164964","costCenters":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"links":[{"id":504007,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Texas","otherGeospatial":"Aransas National Wildlife Refuge","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -97.24940288330839,\n 28.50017706804607\n ],\n [\n -97.7964288894185,\n 27.788990676203618\n ],\n [\n -97.8336048735802,\n 26.683030895385386\n ],\n [\n -97.24940275179439,\n 26.607143408842077\n ],\n [\n -95.90041534794268,\n 28.68632086745417\n ],\n [\n -96.63864045074938,\n 28.714460105279137\n ],\n [\n -97.24940288330839,\n 28.50017706804607\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"16","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Tyrell, Karen","contributorId":371133,"corporation":false,"usgs":false,"family":"Tyrell","given":"Karen","affiliations":[{"id":38051,"text":"Western EcoSystems Technology, Inc.","active":true,"usgs":false}],"preferred":false,"id":961080,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Brightwell, Kristin","contributorId":371128,"corporation":false,"usgs":false,"family":"Brightwell","given":"Kristin","affiliations":[{"id":38051,"text":"Western EcoSystems Technology, Inc.","active":true,"usgs":false}],"preferred":false,"id":961081,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Crane, Matthew","contributorId":371134,"corporation":false,"usgs":false,"family":"Crane","given":"Matthew","affiliations":[{"id":38051,"text":"Western EcoSystems Technology, Inc.","active":true,"usgs":false}],"preferred":false,"id":961082,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Harrell, Wade C.","contributorId":147143,"corporation":false,"usgs":false,"family":"Harrell","given":"Wade","email":"","middleInitial":"C.","affiliations":[{"id":16793,"text":"USFWS, Ecological Services, Austwell, TX","active":true,"usgs":false}],"preferred":false,"id":961083,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Palmer, Rosa","contributorId":371135,"corporation":false,"usgs":false,"family":"Palmer","given":"Rosa","affiliations":[{"id":38051,"text":"Western EcoSystems Technology, Inc.","active":true,"usgs":false}],"preferred":false,"id":961084,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Pearse, Aaron T. 0000-0002-6137-1556 apearse@usgs.gov","orcid":"https://orcid.org/0000-0002-6137-1556","contributorId":1772,"corporation":false,"usgs":true,"family":"Pearse","given":"Aaron","email":"apearse@usgs.gov","middleInitial":"T.","affiliations":[{"id":480,"text":"Northern Prairie Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":961085,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Owen, Ted","contributorId":371136,"corporation":false,"usgs":false,"family":"Owen","given":"Ted","affiliations":[{"id":38051,"text":"Western EcoSystems Technology, Inc.","active":true,"usgs":false}],"preferred":false,"id":961086,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70273657,"text":"70273657 - 2026 - Leucism in a family group and a review of color aberrations in Burrowing Owls (Athene cunicularia)","interactions":[],"lastModifiedDate":"2026-06-02T16:34:29.268165","indexId":"70273657","displayToPublicDate":"2025-05-29T08:25:39","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}},"title":"Leucism in a family group and a review of color aberrations in Burrowing Owls (Athene cunicularia)","docAbstract":"Avian color aberrations capture public interest and sometimes indicate ecological problems. Diagnosing color aberration type can be difficult because nomenclature is inconsistent, appearance of color aberrations vary, typical coloration varies, and there are many undocumented color aberration types. One type of recognized avian color aberration is leucism. Leucism is often colloquially used to refer to all birds that are paler than normal but not albino, but it specifically refers to a plumage aberration in which, from hatching onward, birds are either all white or have patches of bilaterally symmetrical white feathers mixed with normally colored feathers, while retaining black pupils. Here, we document a case of leucism in a family of North American Burrowing Owls (Athene cunicularia). We observed a family group (two adults and five juveniles) of five leucistic, nearly all white owls, and two typically colored owls, in the Conata Basin, South Dakota, USA, in summer 2024. We also compiled all searchable records of color aberrations in Burrowing Owls across their North and South American range. We found 60 records of color aberrations, seven of which were cases of potential leucism. Twenty-five color aberrations were an unknown type in which only eye color was affected, all of them in Florida (USA) or south/central Brazil. Documenting color aberrations in birds can help expand our understanding of the types, causes, and consequences of color aberrations as well as the pigments and genetics that underly normal coloration.
","language":"English","publisher":"Taylor & Francis","doi":"10.1080/15594491.2025.2605827","usgsCitation":"Locatelli, A.J., Livieri, T.M., Forrest, S.C., Matchett, M.R., Conway, C.J., and Mangelsen, T.D., 2026, Leucism in a family group and a review of color aberrations in Burrowing Owls (Athene cunicularia): Wilson Journal of Ornithology, v. 138, no. 2, p. 326-335, https://doi.org/10.1080/15594491.2025.2605827.","productDescription":"10 p.","startPage":"326","endPage":"335","ipdsId":"IP-178133","costCenters":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":498838,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":501110,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1080/15594491.2025.2605827","text":"Publisher Index Page"}],"country":"United States","state":"South Dakota","otherGeospatial":"Buffalo Gap National Grasslands, Conata Basin","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -103.22930479548828,\n 43.4255928036697\n ],\n [\n -103.22930479548828,\n 43.190598329342606\n ],\n [\n -102.87372783973137,\n 43.190598329342606\n ],\n [\n -102.87372783973137,\n 43.4255928036697\n ],\n [\n -103.22930479548828,\n 43.4255928036697\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"138","issue":"2","noUsgsAuthors":false,"publicationDate":"2026-01-09","publicationStatus":"PW","contributors":{"authors":[{"text":"Locatelli, Anthony J.","contributorId":365357,"corporation":false,"usgs":false,"family":"Locatelli","given":"Anthony","middleInitial":"J.","affiliations":[{"id":36394,"text":"University of Idaho","active":true,"usgs":false}],"preferred":false,"id":954201,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Livieri, Travis M.","contributorId":365358,"corporation":false,"usgs":false,"family":"Livieri","given":"Travis","middleInitial":"M.","affiliations":[{"id":6753,"text":"Prairie Wildlife Research","active":true,"usgs":false}],"preferred":false,"id":954202,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Forrest, Steven C.","contributorId":365359,"corporation":false,"usgs":false,"family":"Forrest","given":"Steven","middleInitial":"C.","affiliations":[{"id":87131,"text":"Truckee, CA","active":true,"usgs":false}],"preferred":false,"id":954203,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Matchett, Marc R.","contributorId":365360,"corporation":false,"usgs":false,"family":"Matchett","given":"Marc","middleInitial":"R.","affiliations":[{"id":36188,"text":"U.S. Fish and Wildlife Service","active":true,"usgs":false}],"preferred":false,"id":954204,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Conway, Courtney J. 0000-0003-0492-2953 cconway@usgs.gov","orcid":"https://orcid.org/0000-0003-0492-2953","contributorId":2951,"corporation":false,"usgs":true,"family":"Conway","given":"Courtney","email":"cconway@usgs.gov","middleInitial":"J.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":true,"id":954205,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Mangelsen, Thomas D.","contributorId":365361,"corporation":false,"usgs":false,"family":"Mangelsen","given":"Thomas","middleInitial":"D.","affiliations":[{"id":87132,"text":"Images of Nature Moose Wyoming","active":true,"usgs":false}],"preferred":false,"id":954206,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70274034,"text":"70274034 - 2026 - Forecasting dynamics of a recolonizing wolf population under different management strategies","interactions":[],"lastModifiedDate":"2026-02-24T16:50:24.157035","indexId":"70274034","displayToPublicDate":"2025-05-16T10:08:26","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":774,"text":"Animal Conservation","active":true,"publicationSubtype":{"id":10}},"title":"Forecasting dynamics of a recolonizing wolf population under different management strategies","docAbstract":"Species recovery can be influenced by a wide variety of factors, such that predicting the spatiotemporal dynamics of recovering species can be exceedingly difficult. These predictions, however, are valuable for decision makers tasked with managing species and determining their legal status. We applied a spatially explicit projection model to estimate population growth and viability of gray wolves (Canis lupus) from 2021 to 2070 in the state of Washington, USA, where wolves have been naturally recolonizing since the establishment of the first resident pack in 2008. Using this model, we predicted the effects of 12 scenarios relating to management actions (e.g., lethal removals by the state agency, translocation, recreational harvest) and system uncertainties (e.g., immigration from out of state, disease) on the probability of meeting Washington's wolf recovery goals, the probability of extinction, and other metrics related to population status. Population recovery was defined under Washington's Wolf Conservation and Management Plan as four breeding pairs in each of three recovery regions and three additional breeding pairs anywhere in the state. The baseline and two translocation scenarios indicated a high (> 90%) probability of wolf recovery in Washington by 2070, but scenarios related to harvest mortality (removal of 5% of the population every 6 months), increased lethal removals (removal of 8.53% of the population across the state each year), and cessation of immigration from out of state resulted in probabilities of < 0.20 (0.01, 0.04, and 0.17, respectively) of meeting recovery goals by 2070. Only two scenarios of 12 (increased harvest and lethal removals scenarios) resulted in a geometric mean of population growth ≤ 1, indicating long-term population stability or growth for most scenarios. Our results suggest that wolves will continue to recolonize Washington and that recovery goals are likely to be met so long as harvest and lethal removals are not at unsustainable levels and adjacent populations support immigration into Washington.
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Ecohydaulics","active":true,"publicationSubtype":{"id":10}},"title":"Evaluating episodic sediment deposition zones in freshwater mussel habitats across Missouri, USA","docAbstract":"Point-source sedimentation, such as spills from construction-related activities, can introduce substantial sediments into streams in the short term, potentially leading to mussel burial. To estimate downstream areas where freshwater mussels might face threats from sediment burial within the mussel habitats of Missouri streams and rivers, we examined 49 reaches where both field measurements and gaging data are available. We established empirical relationships for three flow classes to represent general flow conditions of all reaches. Using these hydraulic data, we employed a Lagrangian particle tracking model to simulate sediment transport under each condition, employing two sediment size ranges covering very fine sands to small gravels, resulting in 72 simulated scenarios. The model results indicate that sediments with diameters exceeding a critical value, ranging from 0.041 to 1.975 mm for varying velocities (ranging from 0.124 to 2.191 m/s) and depths (ranging from 1 to 12 m), settle in downstream locations. Potential settling sites span from tens to hundreds of meters downstream. The mode, median, and mean of sediment distribution generally fall within the range of 10–200 m based on particle count, while these values typically range from 1 to 100 m based on sediment mass.
","language":"English","publisher":"Taylor & Francis","doi":"10.1080/24705357.2025.2462298","usgsCitation":"Sun, Q., Wang, B., Sansom, B.J., Trauth, K., Brown, H., Zhu, W., Kunz, J.L., Barnhart, M., McMurray, S.E., Roberts, A.D., Shulse, C., Knerr, C., Steevens, J.A., and Deng, B., 2025, Evaluating episodic sediment deposition zones in freshwater mussel habitats across Missouri, USA: Journal of Ecohydaulics, 15 p., https://doi.org/10.1080/24705357.2025.2462298.","productDescription":"15 p.","startPage":"56","endPage":"70","ipdsId":"IP-169588","costCenters":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"links":[{"id":486510,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":490149,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1080/24705357.2025.2462298","text":"Publisher Index Page"}],"country":"United 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Christopher","affiliations":[],"preferred":false,"id":938219,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"McMurray, Stephen E.","contributorId":206918,"corporation":false,"usgs":false,"family":"McMurray","given":"Stephen","email":"","middleInitial":"E.","affiliations":[{"id":16971,"text":"Missouri Department of Conservation","active":true,"usgs":false}],"preferred":false,"id":938220,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Roberts, Andrew D","contributorId":335385,"corporation":false,"usgs":false,"family":"Roberts","given":"Andrew","email":"","middleInitial":"D","affiliations":[{"id":68344,"text":"U.S. Fish and Wildlife Service (USFWS)","active":true,"usgs":false}],"preferred":false,"id":938221,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Shulse, Christopher","contributorId":333128,"corporation":false,"usgs":false,"family":"Shulse","given":"Christopher","email":"","affiliations":[],"preferred":false,"id":938222,"contributorType":{"id":1,"text":"Authors"},"rank":11},{"text":"Knerr, Caleb","contributorId":340192,"corporation":false,"usgs":false,"family":"Knerr","given":"Caleb","email":"","affiliations":[{"id":81501,"text":"Missouri Department of Transportation","active":true,"usgs":false}],"preferred":false,"id":938223,"contributorType":{"id":1,"text":"Authors"},"rank":12},{"text":"Steevens, Jeffery A. 0000-0003-3946-1229","orcid":"https://orcid.org/0000-0003-3946-1229","contributorId":207511,"corporation":false,"usgs":true,"family":"Steevens","given":"Jeffery","middleInitial":"A.","affiliations":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"preferred":true,"id":938224,"contributorType":{"id":1,"text":"Authors"},"rank":13},{"text":"Deng, Baolin","contributorId":331094,"corporation":false,"usgs":false,"family":"Deng","given":"Baolin","affiliations":[{"id":6754,"text":"University of Missouri","active":true,"usgs":false}],"preferred":false,"id":938225,"contributorType":{"id":1,"text":"Authors"},"rank":14}]}} ,{"id":70273336,"text":"70273336 - 2026 - Submarine canyon sediment transport and accumulation during sea level highstand: Interactive seasonal regimes in the head of Astoria Canyon, WA","interactions":[],"lastModifiedDate":"2026-01-07T14:52:34.98763","indexId":"70273336","displayToPublicDate":"2025-03-27T08:48:58","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2667,"text":"Marine Geology","active":true,"publicationSubtype":{"id":10}},"title":"Submarine canyon sediment transport and accumulation during sea level highstand: Interactive seasonal regimes in the head of Astoria Canyon, WA","docAbstract":"The majority of submarine canyons on Earth today do not directly intersect littoral or fluvial sediment sources, yet these systems are rarely studied. The shelf-incised head of Astoria Canyon receives sediment from the nearby Columbia River and is subject to energetic forcing from shelf and slope processes, making it an ideal site to evaluate the modern activity of canyons in high-stand sea level conditions. This study uses in-situ data from Astoria Canyon to identify the active sediment transport processes and patterns of accumulation in temperate canyon systems that are decoupled from their sediment sources during sea level highstand. Hydrodynamic data from a benthic tripod deployment in the head of Astoria Canyon shows that sediment resuspension and transport during summer is driven by internal tides and plume-associated nonlinear internal waves. Observations of shoreward-directed currents and low shear stresses (<0.14 Pa) along with sediment trap data suggest that seasonal loading of the canyon head occurs during summer. Nearby long-term wave data show that winter storm significant wave height often exceeds 10 m, driving shear stress capable of resuspending all grain sizes present within the canyon head. Swell events are generally concurrent with downwelling flows, providing a mechanism for episodic downcanyon sediment flux. Century-scale accumulation rates evaluated from sediment cores show slow accumulation in the upper canyon head, but rates progressively increase with depth to at least 300 m. The depositional environment in Astoria Canyon continues to respond to fluvial and oceanic forcing over an annual cycle. This study indicates that canyon heads can continue to function as sites of sediment winnowing and bottom boundary layer export even with a detached, shelf-depth canyon head.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.margeo.2025.107516","usgsCitation":"Lahr, E., Ogston, A., Hill, J.C., Glover, H., and Rosenberger, K.J., 2026, Submarine canyon sediment transport and accumulation during sea level highstand: Interactive seasonal regimes in the head of Astoria Canyon, WA: Marine Geology, v. 484, 107516, https://doi.org/10.1016/j.margeo.2025.107516.","productDescription":"107516","ipdsId":"IP-158785","costCenters":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"links":[{"id":498373,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Washington","otherGeospatial":"Astoria Canyon","volume":"484","noUsgsAuthors":false,"publicationDate":"2025-03-27","publicationStatus":"PW","contributors":{"authors":[{"text":"Lahr, E.","contributorId":364893,"corporation":false,"usgs":false,"family":"Lahr","given":"E.","affiliations":[{"id":6934,"text":"University of Washington","active":true,"usgs":false}],"preferred":false,"id":953387,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Ogston, A.","contributorId":364894,"corporation":false,"usgs":false,"family":"Ogston","given":"A.","affiliations":[{"id":6934,"text":"University of Washington","active":true,"usgs":false}],"preferred":false,"id":953388,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hill, Jenna C. 0000-0002-7475-357X","orcid":"https://orcid.org/0000-0002-7475-357X","contributorId":21987,"corporation":false,"usgs":true,"family":"Hill","given":"Jenna","email":"","middleInitial":"C.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true}],"preferred":true,"id":953389,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Glover, H.","contributorId":364896,"corporation":false,"usgs":false,"family":"Glover","given":"H.","affiliations":[{"id":6680,"text":"Oregon State University","active":true,"usgs":false}],"preferred":false,"id":953390,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Rosenberger, Kurt J. 0000-0002-5185-5776 krosenberger@usgs.gov","orcid":"https://orcid.org/0000-0002-5185-5776","contributorId":140453,"corporation":false,"usgs":true,"family":"Rosenberger","given":"Kurt","email":"krosenberger@usgs.gov","middleInitial":"J.","affiliations":[{"id":520,"text":"Pacific Coastal and Marine Science Center","active":true,"usgs":true},{"id":186,"text":"Coastal and Marine Geology Program","active":true,"usgs":true}],"preferred":true,"id":953391,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70273393,"text":"70273393 - 2026 - Iguanas rafted more than 8,000 km from North America to Fiji","interactions":[],"lastModifiedDate":"2026-01-12T15:35:09.447753","indexId":"70273393","displayToPublicDate":"2025-03-17T09:31:35","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3164,"text":"Proceedings of the National Academy of Sciences","active":true,"publicationSubtype":{"id":10}},"title":"Iguanas rafted more than 8,000 km from North America to Fiji","docAbstract":"Founder-event speciation can occur when one or more organisms colonize a distant, unoccupied area via long-distance dispersal, leading to the evolution of a new species lineage. Species radiations established by long-distance, and especially transoceanic, dispersal can cause substantial shifts in regional biodiversity. Here, we investigate the occurrence and timing of the greatest known long-distance oceanic dispersal event in the history of terrestrial vertebrates—the rafting of iguanas from North America to Fiji. Iguanas are large-bodied herbivores that are well-known overwater dispersers, including species that colonized the Caribbean and the Galápagos islands. However, the origin of Fijian iguanas had not been comprehensively tested. We estimated the phylogenetic relationships and evolutionary timescale of the iguanid lizard radiation using genome-wide exons and ultraconserved elements (UCEs). Those data indicate that the closest living relative of extant Fijian iguanas is the North American desert iguana and that the two taxa likely diverged during the late Paleogene near or after the onset of volcanism that produced the Fijian archipelago. Biogeographic models estimate North America as the most probable ancestral range of Fijian iguanas. Our analyses support the hypothesis that iguanas reached Fiji via an extraordinary oceanic dispersal event from western North America, and which spanned a fifth of the earth’s circumference (>8,000 km). Overwater rafting of iguanas from North America to Fiji strengthens the importance of founder-event speciation in the diversification of iguanids and elucidates the scope of long-distance dispersal across terrestrial vertebrates.
","language":"English","publisher":"National Academy of Sciences","doi":"10.1073/pnas.2318622122","usgsCitation":"Scarpetta, S.G., Fisher, R.D., Karin, B.R., Niukula, J.B., Corl, A., Jackman, T.R., and McGuire, J.A., 2026, Iguanas rafted more than 8,000 km from North America to Fiji: Proceedings of the National Academy of Sciences, v. 122, no. 12, e2318622122, 10 p., https://doi.org/10.1073/pnas.2318622122.","productDescription":"e2318622122, 10 p.","ipdsId":"IP-166203","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":498685,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1073/pnas.2318622122","text":"Publisher Index Page"},{"id":498552,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"122","issue":"12","noUsgsAuthors":false,"publicationDate":"2025-03-17","publicationStatus":"PW","contributors":{"authors":[{"text":"Scarpetta, Simon G.","contributorId":364984,"corporation":false,"usgs":false,"family":"Scarpetta","given":"Simon","middleInitial":"G.","affiliations":[{"id":87022,"text":"University of San Francisco; UC Berkeley","active":true,"usgs":false}],"preferred":false,"id":953556,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Fisher, Robert D. 0000-0002-2956-3240 rdfisher@usgs.gov","orcid":"https://orcid.org/0000-0002-2956-3240","contributorId":3913,"corporation":false,"usgs":true,"family":"Fisher","given":"Robert","email":"rdfisher@usgs.gov","middleInitial":"D.","affiliations":[{"id":531,"text":"Patuxent Wildlife Research Center","active":true,"usgs":true}],"preferred":true,"id":953557,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Karin, Benjamin R.","contributorId":364985,"corporation":false,"usgs":false,"family":"Karin","given":"Benjamin","middleInitial":"R.","affiliations":[{"id":6609,"text":"UC Berkeley","active":true,"usgs":false}],"preferred":false,"id":953558,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Niukula, Jone B.","contributorId":364986,"corporation":false,"usgs":false,"family":"Niukula","given":"Jone","middleInitial":"B.","affiliations":[{"id":87025,"text":"NatureFiji-MareqetiViti","active":true,"usgs":false}],"preferred":false,"id":953559,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Corl, Ammon","contributorId":364987,"corporation":false,"usgs":false,"family":"Corl","given":"Ammon","affiliations":[{"id":6609,"text":"UC Berkeley","active":true,"usgs":false}],"preferred":false,"id":953560,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Jackman, Todd R.","contributorId":364988,"corporation":false,"usgs":false,"family":"Jackman","given":"Todd","middleInitial":"R.","affiliations":[{"id":12766,"text":"Villanova University","active":true,"usgs":false}],"preferred":false,"id":953561,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"McGuire, Jimmy A.","contributorId":364989,"corporation":false,"usgs":false,"family":"McGuire","given":"Jimmy","middleInitial":"A.","affiliations":[{"id":6609,"text":"UC Berkeley","active":true,"usgs":false}],"preferred":false,"id":953562,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70261990,"text":"70261990 - 2026 - Integrating Sr isotopes, microchemistry, and genetics to reconstruct Salmonidae species and life history","interactions":[],"lastModifiedDate":"2026-05-07T15:32:32.686391","indexId":"70261990","displayToPublicDate":"2024-12-30T09:12:39","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":881,"text":"Archaeometry","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Integrating Sr isotopes, microchemistry, and genetics to reconstruct Salmonidae species and life history","title":"Integrating Sr isotopes, microchemistry, and genetics to reconstruct Salmonidae species and life history","docAbstract":"Recent approaches to fisheries research emphasize the importance of the coproduction of knowledge in building resilient and culturally mindful fisheries management frameworks. Despite widespread recognition of the need for Indigenous knowledge and historical reference points as baseline data, archaeological data are rarely included in conservation biology research designs. Here we propose a novel multiproxy method to learn from former fisheries stewards by generating archaeological data on past salmonid population parameters. We used a newly developed, high throughput qPCR (HT-qPCR) chip, originally designed for environmental DNA (eDNA), for species identification of archaeological salmonid vertebrae. We combine this with the laser ablation split-stream (LASS) approach to identify ocean-migration versus freshwater residency. We test this multidisciplinary approach using both contemporary and archaeological salmonid samples and new radiocarbon dates from the Tronsdal Site on the Skagit River, Washington State, USA. This is a useful approach for extracting information about Salmonidae species and life history diversity from archaeological remains to reconstruct historic baselines for several population parameters in anadromous species with long periods of freshwater residency. The approach outlined in this paper may be particularly useful for research investigating past fisheries dynamics, offering hundreds to thousands of years of temporal depth for modern fisheries management, harvest policies, restoration ecology, and conservation biology.
","language":"English","publisher":"Wiley","doi":"10.1111/arcm.13058","usgsCitation":"Salerno, R., Murdoch, R., Taylor Wilcox, Elmore, J., Hegg, J., Austin, C.S., LeMoine, M., Luckhurst, J., Fraik, A., and Molly Carney, 2026, Integrating Sr isotopes, microchemistry, and genetics to reconstruct Salmonidae species and life history: Archaeometry, v. 68, no. 52, p. S104-S129, https://doi.org/10.1111/arcm.13058.","productDescription":"26 p.","startPage":"S104","endPage":"S129","ipdsId":"IP-163914","costCenters":[{"id":49175,"text":"Geology, Energy & Minerals Science Center","active":true,"usgs":true}],"links":[{"id":465877,"rank":2,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":466671,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/arcm.13058","text":"Publisher Index Page"}],"country":"United States","state":"Idaho, Oregon, Washington","otherGeospatial":"Skagit River, Snake River, Tronsdal site","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"type\": \"Polygon\",\n \"coordinates\": [\n [\n [\n -124.9016785186471,\n 49.33986640988289\n ],\n [\n -111.47275403140569,\n 49.33986640988289\n ],\n [\n -111.47275403140569,\n 42.18216305571397\n ],\n [\n -124.9016785186471,\n 42.18216305571397\n ],\n [\n -124.9016785186471,\n 49.33986640988289\n ]\n ]\n ]\n }\n }\n ]\n}","volume":"68","issue":"52","noUsgsAuthors":false,"publicationDate":"2024-12-30","publicationStatus":"PW","contributors":{"authors":[{"text":"Salerno, Ross Anthony 0000-0002-0053-5668","orcid":"https://orcid.org/0000-0002-0053-5668","contributorId":347832,"corporation":false,"usgs":true,"family":"Salerno","given":"Ross Anthony","affiliations":[{"id":49175,"text":"Geology, Energy & Minerals Science Center","active":true,"usgs":true}],"preferred":true,"id":922565,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Murdoch, Remi 0009-0004-2039-0795","orcid":"https://orcid.org/0009-0004-2039-0795","contributorId":347833,"corporation":false,"usgs":false,"family":"Murdoch","given":"Remi","affiliations":[{"id":36523,"text":"University of Montana","active":true,"usgs":false}],"preferred":false,"id":922566,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Taylor Wilcox","contributorId":347835,"corporation":false,"usgs":false,"family":"Taylor Wilcox","affiliations":[{"id":36400,"text":"US Forest Service","active":true,"usgs":false}],"preferred":false,"id":922568,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Elmore, Joanna 0000-0002-2851-6290","orcid":"https://orcid.org/0000-0002-2851-6290","contributorId":347834,"corporation":false,"usgs":false,"family":"Elmore","given":"Joanna","affiliations":[{"id":36400,"text":"US Forest Service","active":true,"usgs":false}],"preferred":false,"id":922567,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Hegg, Jens 0000-0003-0125-9287","orcid":"https://orcid.org/0000-0003-0125-9287","contributorId":347836,"corporation":false,"usgs":false,"family":"Hegg","given":"Jens","affiliations":[{"id":83257,"text":"Gonzaga University","active":true,"usgs":false}],"preferred":false,"id":922569,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Austin, Catherine S 0000-0003-4245-8266","orcid":"https://orcid.org/0000-0003-4245-8266","contributorId":316293,"corporation":false,"usgs":false,"family":"Austin","given":"Catherine","email":"","middleInitial":"S","affiliations":[{"id":6934,"text":"University of Washington","active":true,"usgs":false}],"preferred":false,"id":922570,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"LeMoine, Michael","contributorId":300286,"corporation":false,"usgs":false,"family":"LeMoine","given":"Michael","email":"","affiliations":[{"id":65066,"text":"Skagit River Systems Cooperative","active":true,"usgs":false}],"preferred":false,"id":922571,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Luckhurst, Jade","contributorId":347838,"corporation":false,"usgs":false,"family":"Luckhurst","given":"Jade","affiliations":[{"id":83258,"text":"Skagit River System Cooperative","active":true,"usgs":false}],"preferred":false,"id":922572,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Fraik, Alexandra 0000-0002-9285-1173","orcid":"https://orcid.org/0000-0002-9285-1173","contributorId":347839,"corporation":false,"usgs":false,"family":"Fraik","given":"Alexandra","affiliations":[{"id":36400,"text":"US Forest Service","active":true,"usgs":false}],"preferred":false,"id":922573,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Molly Carney 0000-0003-1535-7363","orcid":"https://orcid.org/0000-0003-1535-7363","contributorId":347840,"corporation":false,"usgs":false,"family":"Molly Carney","affiliations":[{"id":6680,"text":"Oregon State University","active":true,"usgs":false}],"preferred":false,"id":922574,"contributorType":{"id":1,"text":"Authors"},"rank":10}]}} ,{"id":70275028,"text":"70275028 - 2026 - Upper Triassic igneous rocks of the southern Kenai Peninsula, Alaska – Prelude to Early Jurassic subduction along the western Wrangellia composite terrane margin","interactions":[],"lastModifiedDate":"2026-04-13T15:28:11.091256","indexId":"70275028","displayToPublicDate":"2024-08-14T10:22:53","publicationYear":"2026","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1169,"text":"Canadian Journal of Fisheries and Aquatic Sciences","active":true,"publicationSubtype":{"id":10}},"title":"Upper Triassic igneous rocks of the southern Kenai Peninsula, Alaska – Prelude to Early Jurassic subduction along the western Wrangellia composite terrane margin","docAbstract":"New U–Pb zircon geochronology identifies a latest Triassic (ca 214–201 Ma) igneous suite of tuff, hypabyssal dikes, and a pluton on the southern Kenai Peninsula, Alaska. The igneous suite was emplaced within Upper Triassic sedimentary rocks along the southern margin of Western Wrangellia, the western-most fragment of the Wrangellia composite terrane. The igneous rocks range from mafic (50.6% SiO2) to felsic (78.3% SiO2), characteristically have less than 1.55% K2O, and generally have low trace element abundances. The tonalitic and trondhjemitic magmas were largely sourced in mafic-rich lower crust and incompletely assimilated quartz and other mineral xenocrysts are common. Fractionation involving plagioclase and amphibole is indicated for some magmas and composite intrusions and igneous xenoliths indicate magma mixing was possible. Paleozoic and Precambrian inherited zircons and initial 87Sr/86Sr (0.704103–0.705609) and 143Nd/144Nd (0.512396–0.512777) ratios indicate that the Western Wrangellia crustal sources are heterogeneous and contain sialic components. The latest Triassic magmatism reflects processes that preceded Early Jurassic subduction along the Wrangellia composite terrane and Pacific Ocean plate boundary. These processes involved heating and melting of mantle lithosphere and lower crust as mantle instabilities accompanied the breaking of the plate boundary linkages. The Late Triassic transition to subduction along the Wrangellia composite terrane margin coincided with the transition to subduction cessation in the Late Triassic arcs of the western Intermontane terranes of Canada. The shift to subduction along the outboard Wrangellia composite terrane margin marks the beginning of the Pacific Ocean–Cordillera plate interactions that came to dominate the tectonic evolution of the northern Cordillera from the Early Jurassic to today.
","language":"English","publisher":"Canadian Science Publishing","doi":"10.1139/cjes-2024-0009","usgsCitation":"Hudson, T.L., Wilson, F.H., and O’Sullivan, P., 2026, Upper Triassic igneous rocks of the southern Kenai Peninsula, Alaska – Prelude to Early Jurassic subduction along the western Wrangellia composite terrane margin: Canadian Journal of Fisheries and Aquatic Sciences, v. 61, no. 9, p. 941-965, https://doi.org/10.1139/cjes-2024-0009.","productDescription":"15 p.","startPage":"941","endPage":"965","ipdsId":"IP-161254","costCenters":[{"id":119,"text":"Alaska Science Center Geology Minerals","active":true,"usgs":true}],"links":[{"id":504067,"rank":0,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P1FDZG9X","text":"USGS data release","linkHelpText":"U-Pb Isotope Geochronology Data and Geochemical Analyses of Selected Rocks from the Seldovia Quadrangle, Southcentral Alaska"},{"id":502749,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"southern Kenai Peninsula","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -146.63613952005835,\n 62.54680811224148\n ],\n [\n -158.0836644356667,\n 62.54680811224148\n ],\n [\n -158.0836644356667,\n 55.29522427923976\n ],\n [\n -146.63613952005835,\n 55.29522427923976\n ],\n [\n -146.63613952005835,\n 62.54680811224148\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"61","issue":"9","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Hudson, Travis L. 0000-0003-1588-2280","orcid":"https://orcid.org/0000-0003-1588-2280","contributorId":329722,"corporation":false,"usgs":false,"family":"Hudson","given":"Travis","email":"","middleInitial":"L.","affiliations":[{"id":78701,"text":"Applied Geology, Inc.","active":true,"usgs":false}],"preferred":false,"id":959256,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wilson, Frederic H. 0000-0003-1761-6437 fwilson@usgs.gov","orcid":"https://orcid.org/0000-0003-1761-6437","contributorId":67174,"corporation":false,"usgs":true,"family":"Wilson","given":"Frederic","email":"fwilson@usgs.gov","middleInitial":"H.","affiliations":[{"id":119,"text":"Alaska Science Center Geology Minerals","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":959257,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"O’Sullivan, Paul 0000-0002-7247-5107","orcid":"https://orcid.org/0000-0002-7247-5107","contributorId":254377,"corporation":false,"usgs":false,"family":"O’Sullivan","given":"Paul","email":"","affiliations":[{"id":51089,"text":"Geosep Services","active":true,"usgs":false}],"preferred":false,"id":959258,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70274602,"text":"70274602 - 2025 - Contribución de la geodesia a la gestión del riesgo volcánico del Nevado del Ruiz","interactions":[],"lastModifiedDate":"2026-04-29T14:04:51.824513","indexId":"70274602","displayToPublicDate":"2026-03-23T08:56:10","publicationYear":"2025","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Contribución de la geodesia a la gestión del riesgo volcánico del Nevado del Ruiz","docAbstract":"Nevado del Ruiz es uno de los volcanes más activos de Colombia. Adquirió una trágica notoriedad a causa de la devastadora erupción ocurrida en noviembre de 1985, que provocó la destrucción de la población de Armero. Desafortunadamente, los limitados datos de deformación recopilados en ese momento no proporcionaron una advertencia clara de la inminente erupción. Desde 1985, el seguimiento del volcán Nevado del Ruiz ha experimentado importantes avances. La integración del monitoreo geodésico con observaciones sísmicas, geoquímicas y geológicas ha mejorado la comprensión del comportamiento del volcán, fortaleciendo la evaluación de los peligros volcánicos y reduciendo significativamente el riesgo volcánico. Gracias a la información disponible en tiempo real sobre el estado del volcán y al trabajo continuo de profesionales experimentados, el Nevado del Ruiz ha dejado de ser reconocido por un desastre, transformándose en un ejemplo notable de gestión eficaz del riesgo volcánico.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Amenazas geologicas en Iberoamerica: Casos de estudio sobre movimientos en masa, terremotos y volcanes","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"Spanish","publisher":"Asociación de Servicios de Geología y Minería Iberoamericanos","usgsCitation":"Battaglia, M., Euillades, P., Idarraga, J., Mardones, C., Ordoñez, M., and Wright, H.M., 2025, Contribución de la geodesia a la gestión del riesgo volcánico del Nevado del Ruiz, chap. of Amenazas geologicas en Iberoamerica: Casos de estudio sobre movimientos en masa, terremotos y volcanes, p. 181-186.","productDescription":"6 p.","startPage":"181","endPage":"186","ipdsId":"IP-164236","costCenters":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true}],"links":[{"id":503618,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":502170,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://asgmi.org/en/asgmi-finaliza-la-edicion-del-libro-amenazas-geologicas-en-iberoamerica-casos-de-estudio-sobre-movimientos-en-masa-terremotos-y-volcanes/"}],"country":"Colombia","otherGeospatial":"El Nevado del Ruiz volcano","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -75.25677255470573,\n 4.961979990127034\n ],\n [\n -75.38269925227559,\n 4.961979990127034\n ],\n [\n -75.38269925227559,\n 4.775156883601767\n ],\n [\n -75.25677255470573,\n 4.775156883601767\n ],\n [\n -75.25677255470573,\n 4.961979990127034\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"editors":[{"text":"Castellanos Abella, Enrique A.","contributorId":370634,"corporation":false,"usgs":false,"family":"Castellanos Abella","given":"Enrique","middleInitial":"A.","affiliations":[],"preferred":false,"id":960600,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Carvalho, João P.G.","contributorId":370635,"corporation":false,"usgs":false,"family":"Carvalho","given":"João","middleInitial":"P.G.","affiliations":[],"preferred":false,"id":960601,"contributorType":{"id":2,"text":"Editors"},"rank":2},{"text":"Castaño, Lina Marcela","contributorId":370636,"corporation":false,"usgs":false,"family":"Castaño","given":"Lina","middleInitial":"Marcela","affiliations":[],"preferred":false,"id":960602,"contributorType":{"id":2,"text":"Editors"},"rank":3}],"authors":[{"text":"Battaglia, Maurizio 0000-0003-4726-5287 mbattaglia@usgs.gov","orcid":"https://orcid.org/0000-0003-4726-5287","contributorId":204742,"corporation":false,"usgs":true,"family":"Battaglia","given":"Maurizio","email":"mbattaglia@usgs.gov","affiliations":[{"id":617,"text":"Volcano Science Center","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":958480,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Euillades, Pablo","contributorId":225156,"corporation":false,"usgs":false,"family":"Euillades","given":"Pablo","affiliations":[{"id":41053,"text":"Universidad Nacional de Cuyo, Facultad de Ingeniería, Instituto CEDIAC & CONICET","active":true,"usgs":false}],"preferred":false,"id":958481,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Idarraga, Juan","contributorId":369120,"corporation":false,"usgs":false,"family":"Idarraga","given":"Juan","affiliations":[{"id":12810,"text":"Colombian Geological Survey","active":true,"usgs":false}],"preferred":false,"id":958482,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Mardones, Cristian","contributorId":369121,"corporation":false,"usgs":false,"family":"Mardones","given":"Cristian","affiliations":[{"id":87726,"text":"OVDAS - 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The lack of sufficiently long-term shoreline data partly hinders a better understanding of shoreline change driven by SLR. Thereby, existing formulations related to the equilibrium approach, which states that a beach profile shape equilibrates with its local wave and sea-level conditions, have serious limitations. Recent physical modelling studies provided data of beach profile evolution under changing sea levels in controlled laboratory settings. Here, we bring together and analyze laboratory data from three different physical modelling studies to better understand and predict shoreline response to SLR in the context of equilibrium concept. The data indicate a clear relationship among the analyzed variables, highlighting the importance of accounting for interactions between SLR and incident wave power. To further understand these interactions, and given the limited range of conditions tested in the laboratory, we implement a quasi-2D shoreline change model to generate additional synthetic data. We first calibrate and validate the model to emulate the existing laboratory experiments. The model reproduces multiple laboratory experiments that cover a range of settings, providing confidence in its accuracy. Further work will include the generation of synthetic data obtained by forcing the model with new combinations of SLR and wave conditions to better capture the dependency of shoreline recession on SLR and wave conditions.
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From seasonal to centennial timescales, sandy beach dynamics are strongly influenced by climate variability expressed in various forms, including seasonal cycles, climate modes (e.g., El Niño Southern Oscillation (ENSO)), and global warming. Satellite-based methods enable the observation of coastlines with unprecedented spatial and temporal coverage. However, over the past decade, as these methods have matured, coastal change studies have predominantly focused on long-term trends rather than on climate-driven cycles of shoreline change. In this study, we utilize a large dataset of monthly-sampled time series of waterline positions along the Pacific Coast of the United States and Baja California, Mexico. From these time series, we derived information on long-term trends and seasonal cycles of waterline change. Our analysis reveals clear contrasts in seasonal patterns of waterline variability across the study area, with greater amplitudes observed at higher latitudes. A shift in the dominant dynamics is evident in Southern Baja California, where shoreline variability is more influenced by intertropical dynamics and sea-level anomalies than by wave energy modulation, which dominates further north. ENSO is found to induce contrasting responses of the waterline along the study area. During El Niño events, shoreline retreat is observed in subtropical regions, while La Niña winters drive waterline retreat in higher latitudes, with southern regions either remaining stable or advancing.
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