Selenium (Se) levels in water have been increasing in Lake Koocanusa and the Kootenai River below Libby Dam in Montana due to coal mining in the drainage basin of the Elk River, British Columbia. Aquatic monitoring of Se is ongoing to assess potential effects; however, exposure to terrestrial, aquatic-dependent wildlife has not been investigated. Tree swallows are a targeted receptor for evaluation of potential Se-related effects as this species is a mid-level consumer with aquatic-terrestrial food web linkages, is sensitive to Se, and reliably uses nest boxes. The goals of this project were to identify tree swallow demographics and metal(loid) concentrations to assess potential species and ecosystem-level effects within the Kootenai River basin study area. During 2022 and 2023, a total of 98 nest boxes were monitored across ~ 120 km of shoreline; 60 eggs were collected. Egg metal(loid) concentrations, including Se, were below levels identified to cause reproductive effects in avian species. However, nest box occupancy increased with distance from the US/Canada border (P < 0.001; R2 = 0.83), and Se concentrations were significantly higher (P = 0.014) in 2023 than 2022 (3.2 (3.0–3.4) and 2.8 (2.6–3.1), respectively; geometric mean, 95% CI; mg/kg, dw). With ongoing mining operations in the drainage basin of the Elk River, these results suggest that long-term monitoring of tree swallows will support assessment of spatiotemporal metal(loid) trends. Additional data, including tree swallow foraging patterns, will allow evaluation of differences in nest box occupancy and metal(loid) concentrations in the Kootenai River basin.
","language":"English","publisher":"Springer","doi":"10.1007/s10661-025-14122-2","usgsCitation":"Balmer, B.C., Skorupa, J., Adams, K., Creel, B., Hoffman, G.C., Fylling, M., Le, S., Martin, J., McBride, W.S., Williams, J., and Schmidt, T., 2025, Tree swallow (Tachycineta bicolor) demographics and metal(loid) concentrations in egg contents from the Kootenai River basin, Montana nest box colonies: Environmental Monitoring and Assessment, v. 197, 696, 21 p., https://doi.org/10.1007/s10661-025-14122-2.","productDescription":"696, 21 p.","ipdsId":"IP-172454","costCenters":[{"id":5050,"text":"WY-MT Water Science Center","active":true,"usgs":true}],"links":[{"id":489544,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Montana","otherGeospatial":"Kootenai River basin, Lake Koocanusa","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -114.96839316972282,\n 49.00049622064199\n ],\n [\n -115.60249113168585,\n 49.00049622064199\n ],\n [\n -115.60249113168585,\n 48.31297959525608\n ],\n [\n -114.96839316972282,\n 48.31297959525608\n ],\n [\n -114.96839316972282,\n 49.00049622064199\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"197","noUsgsAuthors":false,"publicationDate":"2025-05-30","publicationStatus":"PW","contributors":{"authors":[{"text":"Balmer, Brian C.","contributorId":206853,"corporation":false,"usgs":false,"family":"Balmer","given":"Brian","email":"","middleInitial":"C.","affiliations":[{"id":27926,"text":"NOAA, National Centers for Coastal Ocean Science","active":true,"usgs":false}],"preferred":false,"id":939112,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Skorupa, Joseph P.","contributorId":356199,"corporation":false,"usgs":false,"family":"Skorupa","given":"Joseph P.","affiliations":[{"id":7199,"text":"US FWS","active":true,"usgs":false}],"preferred":false,"id":939113,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Adams, Katherine B.","contributorId":356200,"corporation":false,"usgs":false,"family":"Adams","given":"Katherine B.","affiliations":[{"id":6784,"text":"US EPA","active":true,"usgs":false}],"preferred":false,"id":939114,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Creel, Bridger M.","contributorId":356201,"corporation":false,"usgs":false,"family":"Creel","given":"Bridger M.","affiliations":[{"id":28239,"text":"Univ of Montana","active":true,"usgs":false}],"preferred":false,"id":939115,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Hoffman, Gregory C.","contributorId":270220,"corporation":false,"usgs":false,"family":"Hoffman","given":"Gregory","email":"","middleInitial":"C.","affiliations":[{"id":12620,"text":"U.S. Army Corp. of Engineers","active":true,"usgs":false}],"preferred":false,"id":939116,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Fylling, Megan A.","contributorId":356202,"corporation":false,"usgs":false,"family":"Fylling","given":"Megan A.","affiliations":[{"id":28239,"text":"Univ of Montana","active":true,"usgs":false}],"preferred":false,"id":939117,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Le, Stephanie","contributorId":356327,"corporation":false,"usgs":false,"family":"Le","given":"Stephanie","affiliations":[{"id":6784,"text":"US EPA","active":true,"usgs":false}],"preferred":false,"id":939118,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Martin, Jacob M.","contributorId":356203,"corporation":false,"usgs":false,"family":"Martin","given":"Jacob M.","affiliations":[{"id":7199,"text":"US FWS","active":true,"usgs":false}],"preferred":false,"id":939119,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"McBride, W. Scott wmcbride@usgs.gov","contributorId":1096,"corporation":false,"usgs":true,"family":"McBride","given":"W.","email":"wmcbride@usgs.gov","middleInitial":"Scott","affiliations":[{"id":270,"text":"FLWSC-Tampa","active":true,"usgs":true}],"preferred":false,"id":939120,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Williams, Jacob T.","contributorId":356336,"corporation":false,"usgs":false,"family":"Williams","given":"Jacob T.","affiliations":[{"id":16695,"text":"Army Corps of Engineers","active":true,"usgs":false}],"preferred":false,"id":939121,"contributorType":{"id":1,"text":"Authors"},"rank":10},{"text":"Schmidt, Travis S. 0000-0003-1400-0637 tschmidt@usgs.gov","orcid":"https://orcid.org/0000-0003-1400-0637","contributorId":1300,"corporation":false,"usgs":true,"family":"Schmidt","given":"Travis S.","email":"tschmidt@usgs.gov","affiliations":[{"id":37277,"text":"WMA - Earth System Processes Division","active":true,"usgs":true},{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true},{"id":191,"text":"Colorado Water Science Center","active":true,"usgs":true},{"id":685,"text":"Wyoming-Montana Water Science Center","active":false,"usgs":true}],"preferred":true,"id":939122,"contributorType":{"id":1,"text":"Authors"},"rank":11}]}} ,{"id":70267818,"text":"70267818 - 2025 - Wildfire risk information sources and the acceptability of fuels treatments near select WUI communities in the Western United States","interactions":[],"lastModifiedDate":"2025-06-03T15:20:21.274896","indexId":"70267818","displayToPublicDate":"2025-05-30T08:10:20","publicationYear":"2025","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":21802,"text":"Journal of Forest Policy and Economics","active":true,"publicationSubtype":{"id":10}},"title":"Wildfire risk information sources and the acceptability of fuels treatments near select WUI communities in the Western United States","docAbstract":"Fuels treatments intended to reduce fuel loads and improve forest health on public lands offer one way to reduce wildfire hazards in the wildland-urban interface (WUI), where the natural and built environments meet. However, for fuels treatment implementation to be successful, it must comply with regulatory and scientific standards and be supported by local communities, as lack of acceptance can lead to alterations, delays, or abandonment. To foster support, public land managers can engage directly with residents in communities near treatment areas through various communication channels or engage indirectly through trusted local partners. This research uses paired household survey and observed parcel-level wildfire risk assessment data to investigate wildfire risk information sources' role in the acceptability of fuels treatment approaches on public lands near select WUI communities in the Western United States. We find that information deemed useful from sources is often positively correlated with acceptability, while information deemed not useful is sometimes negatively correlated. Local sources of information tend to be widely received, perceived as useful, and have positive correlations with acceptability, while nonlocal sources vary in their receipt, perceived usefulness, and correlations with acceptability. Public land managers, particularly those from national organizations, may benefit from leveraging and aligning messaging with trusted local partners. Developing fuels treatment plans that consider existing local sentiments may facilitate public trust in managers and acceptability of treatments.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.forpol.2025.103537","usgsCitation":"Wallace, K., Brenkert-Smith, H., Champ, P.A., Meldrum, J., Webster, G., Taniguchi, C., Goolsby, J.B., Donovan, C., Wagner, C., Barth, C.M., Kuehn, J., and Wittenbrink, S., 2025, Wildfire risk information sources and the acceptability of fuels treatments near select WUI communities in the Western United States: Journal of Forest Policy and Economics, v. 176, 103537, 19 p., https://doi.org/10.1016/j.forpol.2025.103537.","productDescription":"103537, 19 p.","ipdsId":"IP-169635","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"links":[{"id":490169,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.forpol.2025.103537","text":"Publisher Index Page"},{"id":489463,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Colorado, 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The prosperity of our Nation depends on generating a resilient supply of domestic critical minerals; mine waste may be an untapped source of these commodities. Mine waste from centuries of legacy mining persist on the landscape and may contain critical minerals and other valuable commodities previously deemed uneconomic to recover. At modern mines, the financial viability of recovering byproduct critical minerals, which are not the primary target, may be marginal and can ultimately destine them to mine waste. Further, mine waste can be a liability for the mining company or, at legacy mines, the taxpayer because of its effect on the landscape. The U.S. Geological Survey (USGS) has several initiatives to evaluate critical mineral resources in various types of waste. This factsheet highlights studies of mine waste carried out by USGS scientists at the Geology, Energy & Minerals Science Center in collaboration with other science centers funded through the USGS Mineral Resources Program. Recovery of critical minerals from mine waste can aid in remediation efforts and increase domestic supply of vital mineral resources.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/fs20253026","usgsCitation":"Piatak, N., White, S.J., Hayes, S., and Seal, R.R., II, 2025, Critical minerals in mine waste: U.S. Geological Survey Fact Sheet 2025–3026, 2 p., https://doi.org/10.3133/fs20253026.","productDescription":"2 p.","numberOfPages":"2","onlineOnly":"Y","additionalOnlineFiles":"N","ipdsId":"IP-177321","costCenters":[{"id":49175,"text":"Geology, Energy & Minerals Science Center","active":true,"usgs":true}],"links":[{"id":485789,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/fs/2025/3026/coverthb2.jpg"},{"id":485793,"rank":5,"type":{"id":34,"text":"Image Folder"},"url":"https://pubs.usgs.gov/fs/2025/3026/images/"},{"id":485790,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/fs/2025/3026/fs20253026.pdf","text":"Report","size":"3.59 MB","linkFileType":{"id":1,"text":"pdf"},"description":"FS 2025-3026 PDF"},{"id":485791,"rank":3,"type":{"id":39,"text":"HTML Document"},"url":"https://pubs.usgs.gov/publication/fs20253026/full","text":"Report","linkFileType":{"id":5,"text":"html"},"description":"FS 2025-3026 HTML"},{"id":485792,"rank":4,"type":{"id":31,"text":"Publication XML"},"url":"https://pubs.usgs.gov/fs/2025/3026/fs20253026.XML","linkFileType":{"id":8,"text":"xml"},"description":"FS 2025-3026 XML"},{"id":499024,"rank":6,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_118591.htm","linkFileType":{"id":5,"text":"html"}}],"contact":"Geology, Energy & Minerals Science Center
U.S. Geological Survey
12201 Sunrise Valley Drive
Reston, VA 20192
The lower Boise River in southwestern Idaho is a vital cultural, economic, and ecological resource, but some of its beneficial uses are impaired by excess algae, sediment, nutrients, and bacteria. In response, a variety of water quality improvement projects and regulations have been implemented in recent decades. A recent study showed that, from water years 2003 to 2021, concentrations of total phosphorus at the mouth of the Boise River near Parma decreased by 60 percent, indicating the success of the improvement projects and progress towards reaching the regulatory target. However, although the progress of the system as a whole towards reaching the total phosphorus target is well documented, quantifying contributions and trends in total phosphorus loading from individual tributaries and upstream mainstem locations is needed. Similarly, tributary contributions and trends of other constituents of concern are unknown or have not been evaluated in a decade. To evaluate the success of past water-quality improvement efforts and help prioritize future investments, this study characterized spatial and seasonal patterns in concentrations and loads of suspended sediment, total phosphorus, orthophosphate, total nitrogen, nitrate plus nitrite, Escherichia coli bacteria, and periphyton chlorophyll a (chl-a) at three mainstem and seven tributary sites of the lower Boise River during water years 2019–2023. For sites and constituents with adequate data, temporal trends over a 15-year and 30-year period were also evaluated.
Recent (in other words, water years 2019–2023) concentrations and loads of suspended sediment and total phosphorus were typically greatest during the irrigation season and often exceeded total maximum daily load targets. However, concentrations and loads of suspended sediment, total phosphorus, and orthophosphate have decreased over the past 15 to 30 years at many sites. In contrast, concentrations of total nitrogen and nitrate plus nitrite showed increasing trends at the Boise River near Parma, likely reflecting the effects of regional changes in agricultural practices in recent decades. Periphyton chl-a concentrations during October–November were highly likely increasing over the 30-year period at Boise River at Eckert, but were uncertain at Middleton and Parma. At Boise River at Middleton, periphyton chl-a concentrations exceeded the total maximum daily load target of 150 milligrams per square meter in 75 percent of samples during water years 2019–2023. Results therefore demonstrate that past watershed improvement efforts have been largely effective at reducing concentrations and loads of suspended sediment, total phosphorus, and orthophosphate in the lower Boise River watershed, but different strategies may be needed to reduce concentrations and loads of total nitrogen, nitrate plus nitrite, Escherichia coli, and periphyton chl-a.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20255033","collaboration":"Prepared in cooperation with the Lower Boise Watershed Council","usgsCitation":"Baldwin, A.K., and King, T.V., 2025, Spatial patterns and temporal trends in water quality in Idaho’s lower Boise River and its tributaries, 1994–2023: U.S. Geological Survey Scientific Investigations Report 2025–5033, 46 p., https://doi.org/10.3133/sir20255033.","productDescription":"Report viii, 45 p.; Data Release","onlineOnly":"Y","ipdsId":"IP-146130","costCenters":[{"id":343,"text":"Idaho Water Science Center","active":true,"usgs":true}],"links":[{"id":499042,"rank":7,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_118592.htm","linkFileType":{"id":5,"text":"html"}},{"id":489233,"rank":6,"type":{"id":31,"text":"Publication XML"},"url":"https://pubs.usgs.gov/sir/2025/5033/sir20255033.XML"},{"id":489232,"rank":5,"type":{"id":34,"text":"Image Folder"},"url":"https://pubs.usgs.gov/sir/2025/5033/images"},{"id":489231,"rank":4,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P13VWHMF","text":"USGS data release","description":"USGS data release","linkHelpText":"Water quality concentrations and discharge in the lower Boise River and select tributaries, southwestern Idaho, 1994–2023"},{"id":489230,"rank":3,"type":{"id":39,"text":"HTML Document"},"url":"https://pubs.usgs.gov/publication/sir20255033/full","text":"Report","linkFileType":{"id":5,"text":"html"},"description":"SIR 2025-5033"},{"id":489228,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/sir/2025/5033/coverthb.jpg"},{"id":489229,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sir/2025/5033/sir20255033.pdf","text":"Report","size":"7 MB","linkFileType":{"id":1,"text":"pdf"},"description":"SIR 2025-5033"}],"country":"United States","state":"Idaho","otherGeospatial":"Lower Boise River watershed","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -117.03387029585451,\n 43.87149726119398\n ],\n [\n -117.03387029585451,\n 43.477324089144474\n ],\n [\n -116.06261864282659,\n 43.477324089144474\n ],\n [\n -116.06261864282659,\n 43.87149726119398\n ],\n [\n -117.03387029585451,\n 43.87149726119398\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","contact":"Director, Idaho Water Science Center
U.S. Geological Survey
230 Collins Rd
Boise, Idaho 83702-4520
In cooperation with the Minnesota Department of Natural Resources, the U.S. Geological Survey monitored 98 common loon (Gavia immer) focal territories and an additional 37 nonfocal territories in 2024 across 53 study lakes in Minnesota. Focal territories were those territories from which study inferences will be made, whereas nonfocal territories were observed to monitor common loon dynamics in territories adjacent to focal territories. In collaboration with lake associations and private citizens, we deployed 44 artificial nesting platforms within 44 treatment territories, and the remaining 54 focal territories were controls. We completed territorial surveys from April 29 to August 9, 2024, to evaluate occupancy, nest success, and chick survival. We attempted to visit each territory once a week. At least one nest attempt was observed in 41 of 54 control territories. Precisely one nest attempt was observed in 30 control territories, two nest attempts (first attempts failed) were observed in 9 control territories, and three nest attempts (first and second attempts failed) were observed in 2 control territories. At least one nest attempt was observed in 33 of 44 treatment territories. Precisely one nest attempt was observed in 25 treatment territories, two nest attempts (first attempts failed) were observed in 7 treatment territories, and three nest attempts (first and second attempts failed) were observed in 1 treatment territory. In treatment territories, 8 nests were on an artificial nesting platform; the remaining nest locations were natural. Chicks or other evidence of hatching were observed in 26 of 54 (48.1 percent) control territories and 21 of 44 (47.7 percent) treatment territories, with 7 of those successful treatment nests on an artificial nesting platform. This report includes no formal analysis, but we plan to analyze data after collection of all field data in subsequent years.
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\"}}]}","contact":"Director, Upper Midwest Environmental Sciences Center
U.S. Geological Survey
2630 Fanta Reed Road
La Crosse, Wisconsin 54603
Leaf litter arthropods are important components of the food web in forests, and their presence and diversity can provide information on forest health. There has been very little documentation of the leaf litter arthropods in Hawaiian forest ecosystems. This technical report is a photographic guide to some common arthropods collected from forest leaf litter at the Liko Nā Pilina Hybrid Ecosystems Project study site, a lowland wet forest in Hilo, Island of Hawaiʻi, USA. Leaf litter samples were collected from plots of invaded and experimental restoration communities using two complementary methods (litterbags and quadrats), and arthropods were extracted using Berlese funnels. The field site contained many morphospecies that were rare and locally distributed across plots, and only a few that were very common and widely distributed. The majority of the morphospecies identified were mites. This photoguide is designed to help identify arthropods found in plant litter in Hawaiian lowland forests and it may assist with research and education efforts concerned with the diversity, ecology, or conservation of litter arthropods across the Hawaiian archipelago and other Pacific islands.
","language":"English","publisher":"University of Hawai'i","usgsCitation":"Hall, T., Peck, R., Robins, A., Munstermann, M., Ostertag, R., Sebastian Gonzalez, E., DiManno, N., Cordell, S., and Banko, P.C., 2025, Photographic guide to the leaf litter arthropod community of the lowland wet forest ecosystem of the Island of Hawaiʻi: Hawaii Cooperative Studies Unit Technical Report HCSU-116, iv, 43 p.","productDescription":"iv, 43 p.","ipdsId":"IP-174443","costCenters":[{"id":521,"text":"Pacific Island Ecosystems Research Center","active":false,"usgs":true}],"links":[{"id":489689,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":489680,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://hdl.handle.net/10790/5399"}],"country":"United States","state":"Hawaii","city":"Hilo","otherGeospatial":"Keaukaha Military Reservation","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -155.05169003267977,\n 19.715998639471678\n ],\n [\n -155.05169003267977,\n 19.6953320878398\n ],\n [\n -155.0233220942071,\n 19.6953320878398\n ],\n [\n -155.0233220942071,\n 19.715998639471678\n ],\n [\n -155.05169003267977,\n 19.715998639471678\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationDate":"2025-05-29","publicationStatus":"PW","contributors":{"authors":[{"text":"Hall, Trebor","contributorId":245743,"corporation":false,"usgs":false,"family":"Hall","given":"Trebor","email":"","affiliations":[{"id":34677,"text":"University of Hawai‘i at Hilo","active":true,"usgs":false}],"preferred":false,"id":939222,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Peck, Robert W. 0000-0002-8739-9493","orcid":"https://orcid.org/0000-0002-8739-9493","contributorId":193088,"corporation":false,"usgs":false,"family":"Peck","given":"Robert W.","affiliations":[],"preferred":false,"id":939223,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Robins, Anuhea","contributorId":354636,"corporation":false,"usgs":false,"family":"Robins","given":"Anuhea","affiliations":[{"id":37485,"text":"University of Hawai‘i - 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2025 - Meet the people where they are: Assessing user needs for aftershock forecast products in El Salvador, Mexico and the United States","interactions":[],"lastModifiedDate":"2025-08-08T15:11:09.970418","indexId":"70270075","displayToPublicDate":"2025-05-29T10:05:25","publicationYear":"2025","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":22167,"text":"International Journal for Disaster Risk Reduction","active":true,"publicationSubtype":{"id":10}},"title":"Meet the people where they are: Assessing user needs for aftershock forecast products in El Salvador, Mexico and the United States","docAbstract":"Aftershock forecasts can help communities reduce their seismic risk by conveying how many aftershocks can be expected following a large earthquake, and how the expected number of aftershocks and their corresponding ground shaking evolves over time and space. Prior work finds that graphical forecast products may communicate such information better than only text or numbers. To identify which visual products can serve multiple user groups, we held workshops with members of several professions, including emergency managers, engineers, critical infrastructure operators, public health specialists, science communicators, and more. We conducted these workshops in El Salvador, Mexico and the United States to understand which forecast products may be effective across different countries. In these workshops, users performed small-group activities to elicit the types of aftershock forecast information that would support decisions in their respective roles and how this information would optimally be displayed. Maps of shaking hazards were frequently requested across all professions and countries, even for dissimilar forecast uses. The design of these maps, and other product needs, were differentiated by profession, country and other factors. Other forecast products, including those showing forecasts about the magnitudes and time periods of future aftershocks, also served a variety of users, but for different types of decisions. We found a greater variation in user needs by profession than by country, and that user needs also vary with time, communication channel and other contextual factors. We discuss practical implications for user-centered visual communication of operational aftershock forecasts.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.ijdrr.2025.105450","usgsCitation":"Schneider, M., Wein, A., McBride, S., van der Elst, N., Becker, J., Castro, R., Diaz, M., Gonzalez-Huizar, H., Hardebeck, J.L., Michael, A.J., Mixco, L.E., and Page, M.T., 2025, Meet the people where they are: Assessing user needs for aftershock forecast products in El Salvador, Mexico and the United States: International Journal for Disaster Risk Reduction, v. 125, 105450, 29 p., https://doi.org/10.1016/j.ijdrr.2025.105450.","productDescription":"105450, 29 p.","ipdsId":"IP-171102","costCenters":[{"id":237,"text":"Earthquake Science Center","active":true,"usgs":true}],"links":[{"id":493846,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"El Salvador, Mexico, United 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,{"id":70267389,"text":"sir20255008 - 2025 - Hydrogeologic mapping and three-dimensional geologic modeling of glacial deposits in a multicounty area of southeastern Michigan, northeastern Indiana, and northwestern Ohio","interactions":[],"lastModifiedDate":"2026-01-26T19:16:35.076992","indexId":"sir20255008","displayToPublicDate":"2025-05-29T09:30:00","publicationYear":"2025","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2025-5008","displayTitle":"Hydrogeologic Mapping and Three-Dimensional Geologic Modeling of Glacial Deposits in a Multicounty Area of Southeastern Michigan, Northeastern Indiana, and Northwestern Ohio","title":"Hydrogeologic mapping and three-dimensional geologic modeling of glacial deposits in a multicounty area of southeastern Michigan, northeastern Indiana, and northwestern Ohio","docAbstract":"The glacial deposits underlying southeastern Michigan, northeastern Indiana, and northwestern Ohio are a substantial source of water to communities, agriculture, and industry in the region. Previous efforts to characterize aquifer materials in the area cited a need for additional information about the underlying hydrogeologic characteristics and related groundwater availability as well as improved mapping of the extent and properties of the glacial deposits.
Recent U.S. Geological Survey multi-State compilations of water-well drilling records have greatly increased access to high-resolution geologic data, particularly in glacial depositional environments. This study by the U.S. Geological Survey, in cooperation with the Ohio Environmental Protection Agency, uses processed data from the State-managed collections of well records to characterize the glacial deposits in the study area using two methods. The first method creates two-dimensional maps of basic hydrogeologic information commonly required for assessments of groundwater availability, including (1) total thickness of glacial deposits, (2) total thickness of coarse-grained deposits, (3) specific-capacity-based transmissivity and hydraulic conductivity, and (4) texture-based estimated equivalent horizontal and vertical hydraulic conductivity and transmissivity. The second method builds a hydrogeologic framework of the complex glacial aquifer through construction of a volumetric geologic model by using three-dimensional kriging.
Results of the volumetric model indicate that aquifer materials are primarily concentrated in the western parts of the study area near the Indiana-Ohio border. Coarse-grained sediments are also present as surficial deposits in the north of the study area where intermixing glacial advances created complex distributions of unconsolidated deposits. Two-dimensional maps of hydrogeologic properties support the volumetric model, showing thicknesses of coarse-grained deposits that reach up to 250 feet in the western sections of the study area and progressively thin to near absence in the east. Visualization of the aquifer materials with a volumetric model generally shows a highly discontinuous distribution of coarse- and fine-grained materials, with no clearly defined boundaries to delineate the extent of the aquifer. Comparisons of cross sections derived from the volumetric model with existing published maps support previous near-surface hydrogeologic interpretations while filling gaps where data are sparse, particularly in deeper parts of the aquifer. Both the two-dimensional maps and the volumetric model provide data that can directly inform assessments of groundwater availability, in addition to having future applications to studies of groundwater flow and transport.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/sir20255008","collaboration":"Prepared in cooperation with the Ohio Environmental Protection Agency","usgsCitation":"Riddle, A.D., Arihood, L.D., Naylor, S., and Lampe, D.C., 2025, Hydrogeologic mapping and three-dimensional geologic modeling of glacial deposits in a multicounty area of southeastern Michigan, northeastern Indiana, and northwestern Ohio: U.S. Geological Survey Scientific Investigations Report 2025–5008, 47 p., https://doi.org/10.3133/sir20255008.","productDescription":"Report: viii, 47 p.; Data Release","numberOfPages":"47","onlineOnly":"Y","additionalOnlineFiles":"N","ipdsId":"IP-146138","costCenters":[{"id":35860,"text":"Ohio-Kentucky-Indiana Water Science Center","active":true,"usgs":true}],"links":[{"id":486276,"rank":5,"type":{"id":34,"text":"Image Folder"},"url":"https://pubs.usgs.gov/sir/2025/5008/images/"},{"id":486275,"rank":4,"type":{"id":31,"text":"Publication XML"},"url":"https://pubs.usgs.gov/sir/2025/5008/sir20255008.XML","linkFileType":{"id":8,"text":"xml"},"description":"SIR 2025-5008 XML"},{"id":486274,"rank":3,"type":{"id":39,"text":"HTML Document"},"url":"https://pubs.usgs.gov/publication/sir20255008/full","text":"Report","linkFileType":{"id":5,"text":"html"},"description":"SIR 2025-5008 HTML"},{"id":486273,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sir/2025/5008/sir20255008.pdf","text":"Report","size":"13.4 MB","linkFileType":{"id":1,"text":"pdf"},"description":"SIR 2025-5008 PDF"},{"id":486272,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/sir/2025/5008/coverthb.jpg"},{"id":499040,"rank":7,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_118589.htm","linkFileType":{"id":5,"text":"html"}},{"id":486277,"rank":6,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P13BO3GJ","text":"USGS data release","linkHelpText":"Hydrogeologic framework of the glacial deposits in a multicounty area of southeastern Michigan, northeastern Indiana, and northwestern Ohio"}],"country":"United States","state":"Indiana, Michigan, Ohio","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -85.45494559947987,\n 42.39763689085959\n ],\n [\n -85.45494559947987,\n 40.651853498464675\n ],\n [\n -83.24314510969089,\n 40.651853498464675\n ],\n [\n -83.24314510969089,\n 42.39763689085959\n ],\n [\n -85.45494559947987,\n 42.39763689085959\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","contact":"Director, Ohio-Kentucky-Indiana Water Science Center
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6460 Busch Blvd, Suite 100
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Climate change is increasing sulfate export and changing wetland extent in mountain regions. These changes may increase microbially mediated production of the neurotoxic substance methylmercury due to enhanced sulfate metabolism in mountain environments. Here, we assess methylmercury concentrations and formation rates across high-elevation wetlands in the Colorado Rocky Mountains. We also investigate sulfate controls on methylmercury production within subalpine peatlands by amending soils with sulfate to mimic increased stream export of sulfate from the alpine zone and measuring methylmercury formation rates for different sulfate treatments. We found that subalpine peatlands have statistically significant higher methylmercury concentrations and formation rates compared to alpine, mineral-soil wetlands. Methylmercury production in subalpine peatlands also increased significantly (p < 0.05) following sulfate additions; the highest rates occurred in sediments with intermediate extractable sulfate concentrations (∼0.60–1.4 mg sulfate g−1 dry soil). Our study is the first to identify soil sulfate-related thresholds for methylmercury production and sulfate-limitation of methylmercury production in subalpine peatlands. These findings highlight important linkages between climate-driven mineral weathering and mercury cycling in mountain regions globally.
","language":"English","publisher":"IOP Science","doi":"10.1088/1748-9326/add8a5","usgsCitation":"Miller, H., Driscoll, C.T., Janssen, S., and Hinckley, E.S., 2025, Climate-driven sulfate export in alpine watersheds may stimulate methylmercury production: Environmental Research Letters, v. 20, no. 6, 064049, 10 p., https://doi.org/10.1088/1748-9326/add8a5.","productDescription":"064049, 10 p.","ipdsId":"IP-174502","costCenters":[{"id":37947,"text":"Upper Midwest Water Science Center","active":true,"usgs":true}],"links":[{"id":492502,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1088/1748-9326/add8a5","text":"Publisher Index Page"},{"id":492344,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Colorado","otherGeospatial":"Rocky Mountains","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -109.31242556501007,\n 40.97943186444155\n ],\n [\n -109.31242556501007,\n 37.13248278782403\n ],\n [\n -104.57001345468905,\n 37.13248278782403\n ],\n [\n -104.57001345468905,\n 40.97943186444155\n ],\n [\n -109.31242556501007,\n 40.97943186444155\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"20","issue":"6","noUsgsAuthors":false,"publicationDate":"2025-05-29","publicationStatus":"PW","contributors":{"authors":[{"text":"Miller, Hannah R.","contributorId":358053,"corporation":false,"usgs":false,"family":"Miller","given":"Hannah R.","affiliations":[{"id":16144,"text":"University of Colorado-Boulder","active":true,"usgs":false}],"preferred":false,"id":943199,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Driscoll, Charles T.","contributorId":167460,"corporation":false,"usgs":false,"family":"Driscoll","given":"Charles","email":"","middleInitial":"T.","affiliations":[{"id":5082,"text":"Syracuse University","active":true,"usgs":false}],"preferred":false,"id":943200,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Janssen, Sarah E. 0000-0003-4432-3154","orcid":"https://orcid.org/0000-0003-4432-3154","contributorId":210991,"corporation":false,"usgs":true,"family":"Janssen","given":"Sarah E.","affiliations":[{"id":677,"text":"Wisconsin Water Science Center","active":true,"usgs":true},{"id":37947,"text":"Upper Midwest Water Science Center","active":true,"usgs":true}],"preferred":true,"id":943201,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hinckley, Eve-Lyn S.","contributorId":181894,"corporation":false,"usgs":false,"family":"Hinckley","given":"Eve-Lyn","email":"","middleInitial":"S.","affiliations":[],"preferred":false,"id":943202,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70268378,"text":"70268378 - 2025 - Formation of the Mount Weld rare earth element deposit, Western Australia: A carbonatite-derived laterite","interactions":[],"lastModifiedDate":"2025-06-24T14:02:01.555543","indexId":"70268378","displayToPublicDate":"2025-05-29T08:52:34","publicationYear":"2025","noYear":false,"publicationType":{"id":24,"text":"Conference Paper"},"publicationSubtype":{"id":19,"text":"Conference Paper"},"title":"Formation of the Mount Weld rare earth element deposit, Western Australia: A carbonatite-derived laterite","docAbstract":"Carbonatite-hosted rare earth element (REE) deposits are the primary source of the world’s light REEs. The Mount Weld REE deposit in Western Australia is hosted in a lateritic sequence that reflects supergene enrichment of the underlying carbonatite. Water-rock interaction is a key to the formation of this world-class deposit. REE enrichment in the laterite is controlled by the breakdown of primary minerals, the release and transport of REEs, and the formation of secondary minerals. Secondary REE-bearing phosphate minerals are the primary REE-host phases in the laterite ore with monazite as the dominant phase; other REE-bearing phases include rhabdophane, cerianite, churchite, florencite, and crandallite subgroup minerals. Profiles through the laterite show that in the REE-rich zone, apatite and primary calcite and dolomite have broken down such that the loss of Ca and Mg, as well as Si and K, leads to a relative increase in the REEs. Sequestering of REEs in secondary mineral phases formed by groundwater further enhances the REE concentration.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Proceedings of the 3rd IAGC international conference","largerWorkSubtype":{"id":12,"text":"Conference publication"},"language":"English","publisher":"UNICApress","usgsCitation":"Verplanck, P., Thompson, J.M., Mercer, C.M., Bhat, G., Lowers, H.A., and Boehlke, A., 2025, Formation of the Mount Weld rare earth element deposit, Western Australia: A carbonatite-derived laterite, in Proceedings of the 3rd IAGC international conference, p. 643-646.","productDescription":"4 p.","startPage":"643","endPage":"646","ipdsId":"IP-175346","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true},{"id":387,"text":"Mineral Resources Program","active":true,"usgs":true},{"id":35995,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":true}],"links":[{"id":491177,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"},{"id":491167,"rank":1,"type":{"id":15,"text":"Index Page"},"url":"https://unicapress.unica.it/index.php/unicapress/catalog/book/978-88-3312-187-1"}],"country":"Australia","otherGeospatial":"Mount Weld Mine","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n 122.51875238583227,\n -28.852849393633186\n ],\n [\n 122.51875238583227,\n -28.883149678371097\n ],\n [\n 122.5640779834194,\n -28.883149678371097\n ],\n [\n 122.5640779834194,\n -28.852849393633186\n ],\n [\n 122.51875238583227,\n -28.852849393633186\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Verplanck, Philip L. 0000-0002-3653-6419","orcid":"https://orcid.org/0000-0002-3653-6419","contributorId":212813,"corporation":false,"usgs":true,"family":"Verplanck","given":"Philip","middleInitial":"L.","affiliations":[{"id":387,"text":"Mineral Resources Program","active":true,"usgs":true}],"preferred":true,"id":941148,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Thompson, Jay M. 0000-0003-3322-0870","orcid":"https://orcid.org/0000-0003-3322-0870","contributorId":329664,"corporation":false,"usgs":true,"family":"Thompson","given":"Jay","middleInitial":"M.","affiliations":[{"id":35995,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":941149,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Mercer, Cameron Mark 0000-0003-0534-848X","orcid":"https://orcid.org/0000-0003-0534-848X","contributorId":301880,"corporation":false,"usgs":true,"family":"Mercer","given":"Cameron","email":"","middleInitial":"Mark","affiliations":[{"id":35995,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":true}],"preferred":true,"id":941150,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bhat, Ganesh","contributorId":329666,"corporation":false,"usgs":false,"family":"Bhat","given":"Ganesh","email":"","affiliations":[{"id":78683,"text":"Lynas Rare Earths Ltd","active":true,"usgs":false}],"preferred":false,"id":941151,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Lowers, Heather A. 0000-0001-5360-9264 hlowers@usgs.gov","orcid":"https://orcid.org/0000-0001-5360-9264","contributorId":191307,"corporation":false,"usgs":true,"family":"Lowers","given":"Heather","email":"hlowers@usgs.gov","middleInitial":"A.","affiliations":[{"id":35995,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":true},{"id":171,"text":"Central Mineral and Environmental Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":941152,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Boehlke, Adam 0000-0003-4980-431X aboehlke@usgs.gov","orcid":"https://orcid.org/0000-0003-4980-431X","contributorId":3470,"corporation":false,"usgs":true,"family":"Boehlke","given":"Adam","email":"aboehlke@usgs.gov","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"preferred":true,"id":941153,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70273657,"text":"70273657 - 2025 - Leucism in a family group and a review of color aberrations in Burrowing Owls (Athene cunicularia)","interactions":[],"lastModifiedDate":"2026-01-22T15:35:37.083978","indexId":"70273657","displayToPublicDate":"2025-05-29T08:25:39","publicationYear":"2025","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., 2025, Leucism in a family group and a review of color aberrations in Burrowing Owls (Athene cunicularia): Wilson Journal of Ornithology, 10 p., https://doi.org/10.1080/15594491.2025.2605827.","productDescription":"10 p.","ipdsId":"IP-178133","costCenters":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":501110,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1080/15594491.2025.2605827","text":"Publisher Index Page"},{"id":498838,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"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}","edition":"Online First","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":70267877,"text":"70267877 - 2025 - Pysochron: A Python-based solution for calculating cosmogenic 26Al/10Be isochron burial ages","interactions":[],"lastModifiedDate":"2025-06-06T15:10:15.450044","indexId":"70267877","displayToPublicDate":"2025-05-29T08:06:09","publicationYear":"2025","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3216,"text":"Quaternary Geochronology","active":true,"publicationSubtype":{"id":10}},"title":"Pysochron: A Python-based solution for calculating cosmogenic 26Al/10Be isochron burial ages","docAbstract":"Cosmogenic 26Al/10Be isochron burial dating is a powerful tool for dating sediment burial over the past several million years. By measuring in-situ 26Al and 10Be in a suite of samples from the same depth in a buried deposit, it is possible to quantify the inventory of cosmogenic nuclides produced after burial, date the burial of shallow sediments, identify sediment reworking, and calculate paleo-erosion rates. While this approach has been used to date materials around the world for over a decade, few published codes exist for performing 26Al/10Be isochron calculations. The isochron calculation options that are available typically rely on numerous files and libraries, rendering modification and troubleshooting difficult. Moreover, the widespread use of proprietary programming languages – and their associated addon packages – can place an additional financial burden on an already costly endeavor.
Pysochron (https://code.usgs.gov/recon/pysochron) provides a solution to these issues. In its base form, it exists as a single script that can be easily modified, upgraded, and shared. Because it was developed in an open-source environment, all required computational packages are available free of charge. A user-friendly interface allows rapid modification of calculation parameters, and an automated commentary on isochron results provides insights and recommendations. Pysochron has been validated with 40 published cosmogenic 26Al/10Be burial isochrons around the world, with burial ages ranging from ∼5 Ma to ∼180 ka. As such, it is a promising option for members of the cosmogenic nuclide community seeking a straightforward, cost-effective, and flexible solution to isochron burial dating challenges.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.quageo.2025.101675","usgsCitation":"Odom, W.E., 2025, Pysochron: A Python-based solution for calculating cosmogenic 26Al/10Be isochron burial ages: Quaternary Geochronology, v. 89, 101675, 13 p., https://doi.org/10.1016/j.quageo.2025.101675.","productDescription":"101675, 13 p.","ipdsId":"IP-169287","costCenters":[{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"links":[{"id":490662,"rank":1,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.quageo.2025.101675","text":"Publisher Index Page"},{"id":490400,"rank":0,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P13PCYZA","text":"USGS data release","linkHelpText":"Pysochron"},{"id":490201,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"89","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Odom, William Elijah 0000-0001-8577-5056","orcid":"https://orcid.org/0000-0001-8577-5056","contributorId":292616,"corporation":false,"usgs":true,"family":"Odom","given":"William","email":"","middleInitial":"Elijah","affiliations":[{"id":40020,"text":"Florence Bascom Geoscience Center","active":true,"usgs":true}],"preferred":true,"id":939256,"contributorType":{"id":1,"text":"Authors"},"rank":1}]}} ,{"id":70269899,"text":"70269899 - 2025 - Simulation of the impacts of projected climate change on groundwater resources in the urban, semiarid Yucaipa Valley watershed, southern California using an integrated hydrologic model","interactions":[],"lastModifiedDate":"2025-08-06T15:12:41.202838","indexId":"70269899","displayToPublicDate":"2025-05-29T08:03:40","publicationYear":"2025","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":22158,"text":"Journal of Hydrology, Regional Studies","active":true,"publicationSubtype":{"id":10}},"title":"Simulation of the impacts of projected climate change on groundwater resources in the urban, semiarid Yucaipa Valley watershed, southern California using an integrated hydrologic model","docAbstract":"Managing water resources in semiarid watersheds is challenging due to limited supply and uncertain future climate conditions. This paper examines the impact of future climate changes on an urban watershed in southern California using an integrated hydrologic model. GSFLOW modeling software is used to simulate the nonlinear relationships between climate trends and precipitation partitioning into ET, runoff, and subsurface storage. Four global circulation models (GCMs), each with two greenhouse-gas scenarios, RCP45 and RCP85 are used to project future climate conditions. GCMs include the CanESM2, CNRM-CM5, HadGEM2-ES, and MIROC5 models. The model's simulated hydrologic conditions are compared with historical data to assess changes in water budgets and groundwater supply. Results indicate decreased groundwater storage in most scenarios due to increased natural evapotranspiration, vegetation consumptive use, and streamflow out of the watershed. Only scenarios with substantially increased future precipitation show increased groundwater storage. The study also highlights increased future aridity despite the rise in precipitation and large precipitation events forecast by GCMs, which increase the risk of urban floods and decrease stream leakage and water available to vegetation.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.ejrh.2025.102461","usgsCitation":"Ryter, D.W., Alzraiee, A.H., and Niswonger, R., 2025, Simulation of the impacts of projected climate change on groundwater resources in the urban, semiarid Yucaipa Valley watershed, southern California using an integrated hydrologic model: Journal of Hydrology, Regional Studies, v. 60, 102461, 16 p., https://doi.org/10.1016/j.ejrh.2025.102461.","productDescription":"102461, 16 p.","ipdsId":"IP-153865","costCenters":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"links":[{"id":493789,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.ejrh.2025.102461","text":"Publisher Index Page"},{"id":493644,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"Yucaipa Valley watershed","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -117.09271702186436,\n 34.0874203948469\n ],\n [\n -117.09271702186436,\n 33.9725594754417\n ],\n [\n -116.9002906646693,\n 33.9725594754417\n ],\n [\n -116.9002906646693,\n 34.0874203948469\n ],\n [\n -117.09271702186436,\n 34.0874203948469\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"60","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Ryter, Derek W. 0000-0002-2488-626X dryter@usgs.gov","orcid":"https://orcid.org/0000-0002-2488-626X","contributorId":3395,"corporation":false,"usgs":true,"family":"Ryter","given":"Derek","email":"dryter@usgs.gov","middleInitial":"W.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true},{"id":516,"text":"Oklahoma Water Science Center","active":true,"usgs":true}],"preferred":true,"id":944909,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Alzraiee, Ayman H. 0000-0001-7576-3449","orcid":"https://orcid.org/0000-0001-7576-3449","contributorId":272120,"corporation":false,"usgs":true,"family":"Alzraiee","given":"Ayman","email":"","middleInitial":"H.","affiliations":[{"id":154,"text":"California Water Science Center","active":true,"usgs":true}],"preferred":true,"id":944910,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Niswonger, Richard G. rniswon@usgs.gov","contributorId":146547,"corporation":false,"usgs":false,"family":"Niswonger","given":"Richard G.","email":"rniswon@usgs.gov","affiliations":[],"preferred":false,"id":944911,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70267395,"text":"sir20245130 - 2025 - Estimating the magnitude and frequency of floods at ungaged locations on streams in Tennessee through the 2013 water year","interactions":[],"lastModifiedDate":"2025-05-29T15:06:41.309366","indexId":"sir20245130","displayToPublicDate":"2025-05-29T08:00:00","publicationYear":"2025","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":334,"text":"Scientific Investigations Report","code":"SIR","onlineIssn":"2328-0328","printIssn":"2328-031X","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"2024-5130","displayTitle":"Estimating the Magnitude and Frequency of Floods at Ungaged Locations on Streams in Tennessee Through the 2013 Water Year","title":"Estimating the magnitude and frequency of floods at ungaged locations on streams in Tennessee through the 2013 water year","docAbstract":"To improve estimates of the frequency of annual peak flows for ungaged locations on non-urban, unregulated streams in Tennessee, generalized least-squares multiple linear-regression techniques were used to relate annual peak flows from streamgages operated by the U.S. Geological Survey to physical, climatic, and land-use characteristics of their drainage basins. Geospatial data acquired since the previous study in 2003, annual peak-streamflow data through the 2013 water year, and Bulletin 17C methods for frequency analysis of annual peak-streamflow data were used in the study. Generalized least-squares regression equations were developed for four hydrologic areas with distinct hydrologic, geologic, and topographic characteristics. Drainage area was used as an explanatory variable in equations developed for each hydrologic area. In addition to drainage area, a 2-year recurrence-interval climate factor was used for hydrologic area 1, a 10–85 channel slope was used for hydrologic area 2, and percent imperviousness was used for hydrologic area 4. The regression equations can be used to estimate annual exceedance probability streamflows for ungaged locations on non-urban, unregulated streams in Tennessee. The term “unregulated” indicates that streamflow is not appreciably influenced by regulation from reservoirs or other impoundments. Average standard errors of prediction for the regression equations ranged from 44.4 to 51.4 percent for hydrologic area 1; 30.4 to 42.9 percent for hydrologic area 2; 35.7 to 42.6 percent for hydrologic area 3; and 32.5 to 47.4 percent for hydrologic area 4.
Director, Lower Mississippi-Gulf Water Science Center
U.S. Geological Survey
640 Grassmere Park, Suite 100
Nashville, TN 37211
Contact Us- USGS Publications Warehouse
","tableOfContents":"Fisheries management has historically focused conservation efforts on game or sport species. However, most species are nongame—those not traditionally captured for sport or harvest in countries where recreational fisheries predominate. Greater conservation of nongame species could help ensure that population declines do not go unnoticed. Unfortunately, fisheries managers already manage complex ecosystems with limited resources, and they frequently are directed to focus on game fishes. However, game fish populations can also be tightly coupled to nongame fishes, so nongame management can sometimes also benefit game species. We reviewed functional roles of freshwater nongame fishes and suggest categories that may be especially important for conservation. Of note, nongame fishes are more imperiled than game fishes and fill largely distinct functional roles. These roles include food-web impacts, ecosystem engineering, and mussel hosting. Management priorities could include nongame piscivores and species with high biomass, especially herbivores, nest builders, and imperiled mussel hosts. We provide practical options for including nongame fishes in current management, many of which require little additional funding. These include recognizing when sport fish funding and conservation can also benefit nongame species, whole-community sampling at some monitoring locations, collecting catch data for select species observed during game fish surveys, embracing environmental DNA sampling, and making presence–absence record keeping the default option.
","language":"English","publisher":"Oxford Academic","doi":"10.1093/fshmag/vuaf040","usgsCitation":"Clancy, N.G., Rahel, F.J., Peoples, B., Walters, A.W., Lyons, J., Mandrak, N.E., Budy, P., Frimpong, E.A., and Cross, W., 2025, On the importance and practical conservation of nongame fishes.: Fisheries, https://doi.org/10.1093/fshmag/vuaf040.","ipdsId":"IP-170739","costCenters":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":490166,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1093/fshmag/vuaf040","text":"Publisher Index Page"},{"id":489391,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationDate":"2025-05-28","publicationStatus":"PW","contributors":{"authors":[{"text":"Clancy, Niall G.","contributorId":337769,"corporation":false,"usgs":false,"family":"Clancy","given":"Niall","email":"","middleInitial":"G.","affiliations":[{"id":52338,"text":"Montana Fish, Wildlife & Parks","active":true,"usgs":false}],"preferred":false,"id":938904,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rahel, Frank J.","contributorId":272596,"corporation":false,"usgs":false,"family":"Rahel","given":"Frank","email":"","middleInitial":"J.","affiliations":[{"id":12729,"text":"UW","active":true,"usgs":false}],"preferred":false,"id":938905,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Peoples, Brandon K.","contributorId":341046,"corporation":false,"usgs":false,"family":"Peoples","given":"Brandon K.","affiliations":[{"id":7084,"text":"Clemson University","active":true,"usgs":false}],"preferred":false,"id":938906,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Walters, Annika W. 0000-0002-8638-6682 awalters@usgs.gov","orcid":"https://orcid.org/0000-0002-8638-6682","contributorId":4190,"corporation":false,"usgs":true,"family":"Walters","given":"Annika","email":"awalters@usgs.gov","middleInitial":"W.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":true,"id":938907,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Lyons, John","contributorId":356237,"corporation":false,"usgs":false,"family":"Lyons","given":"John","affiliations":[{"id":7122,"text":"University of Wisconsin","active":true,"usgs":false}],"preferred":false,"id":938908,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Mandrak, Nicholas E.","contributorId":177869,"corporation":false,"usgs":false,"family":"Mandrak","given":"Nicholas","email":"","middleInitial":"E.","affiliations":[],"preferred":false,"id":938909,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Budy, Phaedra E. 0000-0002-9918-1678","orcid":"https://orcid.org/0000-0002-9918-1678","contributorId":228930,"corporation":false,"usgs":true,"family":"Budy","given":"Phaedra E.","affiliations":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"preferred":true,"id":938910,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Frimpong, Emmanuel A","contributorId":219188,"corporation":false,"usgs":false,"family":"Frimpong","given":"Emmanuel","email":"","middleInitial":"A","affiliations":[{"id":25550,"text":"Virginia Polytechnic Institute and State University","active":true,"usgs":false}],"preferred":false,"id":938911,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Cross, Wyatt F.","contributorId":237773,"corporation":false,"usgs":false,"family":"Cross","given":"Wyatt F.","affiliations":[{"id":47607,"text":"Department of Ecology, Montana State University, Bozeman, MT","active":true,"usgs":false}],"preferred":false,"id":938912,"contributorType":{"id":1,"text":"Authors"},"rank":9}]}} ,{"id":70269668,"text":"70269668 - 2025 - Constraints and enablers for meaningful consideration of plural values through integration of cultural ecosystem services (CES) in decision-making","interactions":[],"lastModifiedDate":"2025-07-29T14:02:06.067742","indexId":"70269668","displayToPublicDate":"2025-05-28T08:55:46","publicationYear":"2025","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"chapter":"31","title":"Constraints and enablers for meaningful consideration of plural values through integration of cultural ecosystem services (CES) in decision-making","docAbstract":"This chapter presents and applies five constraint/enabler categories that influence integration of the plural values of cultural ecosystem services (CES) in decision-making, highlighting how diverse forms of CES knowledge can intersect with decision making contexts. CES make foundational contributions to human well-being, and yet they are consistently underrepresented in research products intended to inform decision-making. In particular, the relational and holistic values associated with CES categories such as cultural identity and maintenance of knowledge systems have been inadequately conveyed through existing instrumental approaches to ecosystem service assessment and ecosystem valuation. In this chapter we detail (1) a spectrum of forms in which CES knowledge may be conveyed to inform decision-making and (2) constraints and enabling factors that influence whether plural CES values are meaningfully considered in decision-making. This chapter considers how these constraints/enablers commonly influence integration of distinct CES knowledge forms in natural resource management decision contexts. Examples are then offered from case study research on Elwha River dam removal decision-making (Washington state, USA). These examples illustrate that factors commonly constraining integration of diverse CES knowledge forms can transform into enablers for meaningful consideration of relational values and holistic value perspectives, alongside instrumental values. The chapter concludes with takeaways for decision-makers, managers, and those who hold CES knowledge and seek to convey plural CES values to inform decision-making.
","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Routledge handbook of cultural ecosystem services","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Taylor & Francis","doi":"10.4324/9781003414896-37","usgsCitation":"Hoelting, K., Gould, R.K., Cravens, A.E., and Winter, B., 2025, Constraints and enablers for meaningful consideration of plural values through integration of cultural ecosystem services (CES) in decision-making, chap. 31 of Routledge handbook of cultural ecosystem services, p. 408-425, https://doi.org/10.4324/9781003414896-37.","productDescription":"18 p.","startPage":"408","endPage":"425","ipdsId":"IP-158699","costCenters":[{"id":290,"text":"Forest and Rangeland Ecosystem Science Center","active":false,"usgs":true}],"links":[{"id":493318,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.4324/9781003414896-37","text":"Publisher Index Page"},{"id":493089,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationDate":"2025-05-28","publicationStatus":"PW","contributors":{"editors":[{"text":"McElwee, Pamela D.","contributorId":358886,"corporation":false,"usgs":false,"family":"McElwee","given":"Pamela D.","affiliations":[],"preferred":false,"id":944357,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Allen, Karen E.","contributorId":358887,"corporation":false,"usgs":false,"family":"Allen","given":"Karen E.","affiliations":[],"preferred":false,"id":944358,"contributorType":{"id":2,"text":"Editors"},"rank":2},{"text":"Gould, Rachelle K. 0000-0002-6307-8783","orcid":"https://orcid.org/0000-0002-6307-8783","contributorId":213456,"corporation":false,"usgs":false,"family":"Gould","given":"Rachelle","email":"","middleInitial":"K.","affiliations":[{"id":13253,"text":"University of Vermont","active":true,"usgs":false}],"preferred":false,"id":944360,"contributorType":{"id":2,"text":"Editors"},"rank":3},{"text":"Hsu, Minna","contributorId":358888,"corporation":false,"usgs":false,"family":"Hsu","given":"Minna","affiliations":[],"preferred":false,"id":944361,"contributorType":{"id":2,"text":"Editors"},"rank":4},{"text":"He, Jun","contributorId":358889,"corporation":false,"usgs":false,"family":"He","given":"Jun","affiliations":[],"preferred":false,"id":944362,"contributorType":{"id":2,"text":"Editors"},"rank":5}],"authors":[{"text":"Hoelting, Kristen R","contributorId":358879,"corporation":false,"usgs":false,"family":"Hoelting","given":"Kristen R","affiliations":[{"id":6621,"text":"Colorado State University","active":true,"usgs":false}],"preferred":false,"id":944342,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gould, Rachelle K. 0000-0002-6307-8783","orcid":"https://orcid.org/0000-0002-6307-8783","contributorId":213456,"corporation":false,"usgs":false,"family":"Gould","given":"Rachelle","email":"","middleInitial":"K.","affiliations":[{"id":13253,"text":"University of Vermont","active":true,"usgs":false}],"preferred":false,"id":944343,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Cravens, Amanda E. 0000-0002-0271-7967 aecravens@usgs.gov","orcid":"https://orcid.org/0000-0002-0271-7967","contributorId":196752,"corporation":false,"usgs":true,"family":"Cravens","given":"Amanda","email":"aecravens@usgs.gov","middleInitial":"E.","affiliations":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":944344,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Winter, Brian D.","contributorId":358882,"corporation":false,"usgs":false,"family":"Winter","given":"Brian D.","affiliations":[{"id":85701,"text":"Retired, National Park Service, Olympic National Park","active":true,"usgs":false}],"preferred":false,"id":944345,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70271939,"text":"70271939 - 2025 - Carbonatite-hosted residual REE deposits","interactions":[],"lastModifiedDate":"2025-09-25T13:56:19.739833","indexId":"70271939","displayToPublicDate":"2025-05-28T08:52:38","publicationYear":"2025","noYear":false,"publicationType":{"id":5,"text":"Book chapter"},"publicationSubtype":{"id":24,"text":"Book Chapter"},"title":"Carbonatite-hosted residual REE deposits","docAbstract":"Rare earth elements (REEs) occur in magmatic rocks but are especially enriched in carbonatite and alkaline silicates. If these rocks are chemically weathered, then the REEs may become further enriched within the regolith developed from these rocks. Primary magmatic REE minerals, as well as the various carbonate minerals and apatite, provide the REEs which, under pervasive chemical weathering, are incorporated within low-temperature REE minerals forming within the regolith. Many of these minerals, as well as their textures, are characteristic of this mode of formation. Lateritic conditions of weathering are instrumental in producing a thick, weathered, or regolith, profile, and the roles of sulfide oxidation, fluctuating groundwater tables, and downward mass wasting due to carbonate dissolution are identified as the most important controls on REE enrichment in the regolith.","largerWorkType":{"id":4,"text":"Book"},"largerWorkTitle":"Geology, geochemistry and formation of supergene mineral deposits in deeply weathered terrain","largerWorkSubtype":{"id":15,"text":"Monograph"},"language":"English","publisher":"Springer","doi":"10.1007/978-3-031-75733-4_7","usgsCitation":"Siegfried, P.R., Wall, F., and Verplanck, P., 2025, Carbonatite-hosted residual REE deposits, chap. of Geology, geochemistry and formation of supergene mineral deposits in deeply weathered terrain, p. 179-206, https://doi.org/10.1007/978-3-031-75733-4_7.","productDescription":"18 p.","startPage":"179","endPage":"206","ipdsId":"IP-139371","costCenters":[{"id":35995,"text":"Geology, Geophysics, and Geochemistry Science Center","active":true,"usgs":true}],"links":[{"id":502409,"rank":0,"type":{"id":41,"text":"Open Access External Repository Page"},"text":"External Repository"},{"id":496076,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"noUsgsAuthors":false,"publicationDate":"2025-05-28","publicationStatus":"PW","contributors":{"editors":[{"text":"Bowell, Robert J.","contributorId":150175,"corporation":false,"usgs":false,"family":"Bowell","given":"Robert","email":"","middleInitial":"J.","affiliations":[{"id":17927,"text":"SRK Consulting Ltd.","active":true,"usgs":false}],"preferred":false,"id":949475,"contributorType":{"id":2,"text":"Editors"},"rank":1},{"text":"Butt, Charles R.M.","contributorId":361797,"corporation":false,"usgs":false,"family":"Butt","given":"Charles","middleInitial":"R.M.","affiliations":[],"preferred":false,"id":949476,"contributorType":{"id":2,"text":"Editors"},"rank":2}],"authors":[{"text":"Siegfried, Peter R 0000-0001-8254-9889","orcid":"https://orcid.org/0000-0001-8254-9889","contributorId":361785,"corporation":false,"usgs":false,"family":"Siegfried","given":"Peter","middleInitial":"R","affiliations":[{"id":86350,"text":"Camborne School of Mines","active":true,"usgs":false}],"preferred":false,"id":949449,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Wall, Frances 0000-0002-5393-4400","orcid":"https://orcid.org/0000-0002-5393-4400","contributorId":361786,"corporation":false,"usgs":false,"family":"Wall","given":"Frances","affiliations":[{"id":86350,"text":"Camborne School of Mines","active":true,"usgs":false}],"preferred":false,"id":949450,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Verplanck, Philip L. 0000-0002-3653-6419","orcid":"https://orcid.org/0000-0002-3653-6419","contributorId":212813,"corporation":false,"usgs":true,"family":"Verplanck","given":"Philip","middleInitial":"L.","affiliations":[{"id":387,"text":"Mineral Resources Program","active":true,"usgs":true}],"preferred":true,"id":949451,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70267860,"text":"70267860 - 2025 - Editorial: Microbial ecology supporting growth of free-living amoebae in natural and engineered water systems","interactions":[],"lastModifiedDate":"2025-06-05T15:24:24.84759","indexId":"70267860","displayToPublicDate":"2025-05-28T08:19:30","publicationYear":"2025","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1702,"text":"Frontiers in Microbiology","onlineIssn":"1664-302X","active":true,"publicationSubtype":{"id":10}},"title":"Editorial: Microbial ecology supporting growth of free-living amoebae in natural and engineered water systems","docAbstract":"No abstract available.
","language":"English","publisher":"Frontiers Media","doi":"10.3389/fmicb.2025.1620877","usgsCitation":"Barnhart, E.P., Douterelo, I., Morgan, M., and Puzon, G., 2025, Editorial: Microbial ecology supporting growth of free-living amoebae in natural and engineered water systems: Frontiers in Microbiology, v. 16, 1620877, 2 p., https://doi.org/10.3389/fmicb.2025.1620877.","productDescription":"1620877, 2 p.","ipdsId":"IP-178465","costCenters":[{"id":5050,"text":"WY-MT Water Science Center","active":true,"usgs":true}],"links":[{"id":490620,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.3389/fmicb.2025.1620877","text":"Publisher Index Page"},{"id":489691,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"16","noUsgsAuthors":false,"publicationDate":"2025-05-29","publicationStatus":"PW","contributors":{"authors":[{"text":"Barnhart, Elliott P. 0000-0002-8788-8393","orcid":"https://orcid.org/0000-0002-8788-8393","contributorId":203225,"corporation":false,"usgs":true,"family":"Barnhart","given":"Elliott","middleInitial":"P.","affiliations":[{"id":5050,"text":"WY-MT Water Science Center","active":true,"usgs":true}],"preferred":true,"id":939154,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Douterelo, Isabel","contributorId":356353,"corporation":false,"usgs":false,"family":"Douterelo","given":"Isabel","affiliations":[{"id":84966,"text":"Civil and Structural Engineering Department, University of Sheffield, Sheffield S1 3JD, UK","active":true,"usgs":false}],"preferred":false,"id":939155,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Morgan, Matthew J.","contributorId":356354,"corporation":false,"usgs":false,"family":"Morgan","given":"Matthew J.","affiliations":[{"id":84967,"text":"CSIRO Environment, Canberra, ACT, Australia","active":true,"usgs":false}],"preferred":false,"id":939156,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Puzon, Gregory J.","contributorId":356355,"corporation":false,"usgs":false,"family":"Puzon","given":"Gregory J.","affiliations":[{"id":84968,"text":"CSIRO Environment, Waterford, WA, Australia","active":true,"usgs":false}],"preferred":false,"id":939157,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70270725,"text":"70270725 - 2025 - First evidence of natural reproduction and recruitment of reintroduced Lake Sturgeon in the Coosa River, Georgia","interactions":[],"lastModifiedDate":"2025-08-25T15:12:18.431086","indexId":"70270725","displayToPublicDate":"2025-05-28T08:02:03","publicationYear":"2025","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2886,"text":"North American Journal of Fisheries Management","active":true,"publicationSubtype":{"id":10}},"title":"First evidence of natural reproduction and recruitment of reintroduced Lake Sturgeon in the Coosa River, Georgia","docAbstract":"Objective
Lake Sturgeon Acipenser fluences became extirpated from the Coosa River system in Georgia and Alabama during the 1970s. The Georgia Department of Natural Resources began stocking hatchery-raised Lake Sturgeon in 2002 with the goal of reestablishing a self-sustaining population. Stocking lapsed in 2020 due to the COVID-19 pandemic, which allowed an opportunity to assess natural recruitment to the reintroduced population.
Methods
We conducted trammel-net surveys during May–August in 2022 and 2023 and removed a pectoral fin spine section from all captured individuals. We compared the fin spine sections of suspected naturally hatched juveniles with those from known-age, hatchery-raised juveniles to confirm our age estimates.
Results
We captured one age-2 juvenile Lake Sturgeon in 2022 and eight age-3 juveniles in 2023. This indicates the presence of natural recruitment due to the absence of stocking of hatchery individuals in 2020.
Conclusions
Documenting individuals of a year-class that was not created by hatchery-raised juveniles provides the first evidence that offspring of early reintroduced Lake Sturgeon are being recruited into the reintroduced population in the Coosa River, Georgia.
","language":"English","publisher":"American Fisheries Society","doi":"10.1093/najfmt/vqaf037","usgsCitation":"Hamel, M.J., Phillips, M.A., Perry, S.R., Irwin, B., and Damer, J.D., 2025, First evidence of natural reproduction and recruitment of reintroduced Lake Sturgeon in the Coosa River, Georgia: North American Journal of Fisheries Management, v. 45, no. 3, p. 516-522, https://doi.org/10.1093/najfmt/vqaf037.","productDescription":"7 p.","startPage":"516","endPage":"522","ipdsId":"IP-171293","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":494741,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alabama, Georgia","otherGeospatial":"Coosa River system","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -88.17819090372103,\n 34.949541485813015\n ],\n [\n -88.44127214203048,\n 30.287215825336304\n ],\n [\n -87.3607540518563,\n 30.264942451616683\n ],\n [\n -87.49062855858051,\n 30.936194588981806\n ],\n [\n -85.07916672725408,\n 31.020018492584697\n ],\n [\n -84.674858734638,\n 30.673701378177704\n ],\n [\n -81.44970139212951,\n 30.55716772780623\n ],\n [\n -80.87214916269372,\n 31.931034572906817\n ],\n [\n -81.5735045337178,\n 33.0657629431891\n ],\n [\n -83.1899073469762,\n 34.99997683986355\n ],\n [\n -88.17819090372103,\n 34.949541485813015\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"45","issue":"3","noUsgsAuthors":false,"publicationDate":"2025-05-28","publicationStatus":"PW","contributors":{"authors":[{"text":"Hamel, Martin J.","contributorId":360226,"corporation":false,"usgs":false,"family":"Hamel","given":"Martin","middleInitial":"J.","affiliations":[{"id":12697,"text":"University of Georgia","active":true,"usgs":false}],"preferred":false,"id":946905,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Phillips, Matthew A.","contributorId":360229,"corporation":false,"usgs":false,"family":"Phillips","given":"Matthew","middleInitial":"A.","affiliations":[{"id":36378,"text":"Georgia Department of Natural Resources","active":true,"usgs":false}],"preferred":false,"id":946906,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Perry, Savannah R.","contributorId":360232,"corporation":false,"usgs":false,"family":"Perry","given":"Savannah","middleInitial":"R.","affiliations":[{"id":12697,"text":"University of Georgia","active":true,"usgs":false}],"preferred":false,"id":946907,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Irwin, Brian J. 0000-0002-0666-2641","orcid":"https://orcid.org/0000-0002-0666-2641","contributorId":280043,"corporation":false,"usgs":true,"family":"Irwin","given":"Brian J.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":946908,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Damer, John D.","contributorId":360507,"corporation":false,"usgs":false,"family":"Damer","given":"John","middleInitial":"D.","affiliations":[{"id":36378,"text":"Georgia Department of Natural Resources","active":true,"usgs":false}],"preferred":false,"id":947156,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70267398,"text":"dr1212 - 2025 - Distribution, abundance, and breeding activities of Southwestern Willow Flycatchers (Empidonax traillii extimus) at select locations on the San Luis Rey River, San Diego County, California—2024 data summary","interactions":[],"lastModifiedDate":"2025-05-29T13:43:01.622686","indexId":"dr1212","displayToPublicDate":"2025-05-28T07:34:13","publicationYear":"2025","noYear":false,"publicationType":{"id":18,"text":"Report"},"publicationSubtype":{"id":5,"text":"USGS Numbered Series"},"seriesTitle":{"id":9318,"text":"Data Report","code":"DR","onlineIssn":"2771-9448","active":true,"publicationSubtype":{"id":5}},"seriesNumber":"1212","displayTitle":"Distribution, Abundance, and Breeding Activities of Southwestern Willow Flycatchers (Empidonax traillii extimus) at Select Locations on the San Luis Rey River, San Diego County, California—2024 Data Summary","title":"Distribution, abundance, and breeding activities of Southwestern Willow Flycatchers (Empidonax traillii extimus) at select locations on the San Luis Rey River, San Diego County, California—2024 data summary","docAbstract":"We surveyed for Southwestern Willow Flycatchers (Empidonax traillii extimus; flycatcher) at select locations along the San Luis Rey River, including along the middle San Luis Rey River near Bonsall and the upper San Luis Rey River near Santa Ysabel, California, in 2024. Surveys were completed at six locations: two along the middle San Luis Rey River (Bonsall [BO] and Rincon), which were last surveyed in 2021, and four along the upper San Luis Rey River, including three downstream from Lake Henshaw that have been surveyed annually since 2015 (Rey River Ranch, Cleveland National Forest [CNF], Vista Irrigation District [VID]), and one upstream at VID Lake Henshaw (VLH) that has been surveyed annually since 2018. There were a minimum of 47 territorial flycatchers (26 male, 21 female) detected at 1 location (VLH) and 6 transient flycatchers of unknown subspecies detected at 3 locations (BO, CNF, and VLH). In total, 30 territories were established, containing 21 pairs and 9 flycatchers of undetermined breeding status. Of the 21 pairs, 13 pairs were monogamous (1 male and 1 female), and 8 pairs were polygynous (1 male paired with more than 1 female). No territorial flycatchers were detected downstream from Lake Henshaw or along the middle San Luis Rey River. Brown-headed Cowbirds (Molothrus ater; cowbird) were detected at all six survey locations. No banded flycatchers were detected during surveys.
Flycatchers used four habitat types in the survey area: (1) mixed willow riparian, (2) willow-cottonwood, (3) willow-oak, and (4) willow-sycamore. Of the flycatcher locations, 86 percent were in habitat characterized as mixed willow riparian, and 97 percent were in habitat with greater than 95-percent native plant cover.
We monitored flycatcher nests at VLH to collect baseline data on nest success, productivity, and parasitism rate. There were 22 nests monitored in 13 territories; 9 were successful. Of the 13 failed nests, 8 were depredated, 3 failed for unknown reasons, and 2 failed because of cowbird parasitism. We confirmed 26 juvenile flycatchers in 2024, which included 22 from monitored nests, and an additional 4 juveniles detected in unmonitored territories. Based on 19 nests in which the contents were observed during the egg stage, 16 percent of nests in 2024 were parasitized.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston, VA","doi":"10.3133/dr1212","programNote":"Ecosystems Mission Area—Species Management Research Program","usgsCitation":"Howell, S.L., and Kus, B.E., 2025, Distribution, abundance, and breeding activities of Southwestern Willow Flycatchers (Empidonax traillii extimus) at select locations on the San Luis Rey River, San Diego County, California—2024 data summary: U.S. Geological Survey Data Report 1212, 16 p., https://doi.org/10.3133/dr1212.","productDescription":"Report: vi, 16 p.; Data Release","onlineOnly":"Y","ipdsId":"IP-175205","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":486429,"rank":6,"type":{"id":31,"text":"Publication XML"},"url":"https://pubs.usgs.gov/dr/1212/dr1212.XML"},{"id":486427,"rank":4,"type":{"id":30,"text":"Data Release"},"url":"https://doi.org/10.5066/P96VC5Y4","text":"USGS data release","description":"USGS data release","linkHelpText":"Southwestern Willow Flycatcher (Empidonax traillii extimus) surveys and nest monitoring in San Diego County, California (ver. 4.0, February 2025)"},{"id":486428,"rank":5,"type":{"id":34,"text":"Image Folder"},"url":"https://pubs.usgs.gov/dr/1212/images"},{"id":486424,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/dr/1212/coverthb.jpg"},{"id":486425,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/dr/1212/dr1212.pdf","text":"Report","size":"3.1 MB","linkFileType":{"id":1,"text":"pdf"},"description":"DR 1212"},{"id":486426,"rank":3,"type":{"id":39,"text":"HTML Document"},"url":"https://pubs.usgs.gov/publication/dr1212/full","text":"Report","linkFileType":{"id":5,"text":"html"},"description":"DR 1212"}],"country":"United States","state":"California","county":"San Diego County","otherGeospatial":"San Luis Rey River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -117.25,\n 33.333\n ],\n [\n -117.25,\n 33.1667\n ],\n [\n -116.6667,\n 33.1667\n ],\n [\n -116.6667,\n 33.333\n ],\n [\n -117.25,\n 33.333\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","contact":"Director, Western Ecological Research Center
U.S. Geological Survey
3020 State University Drive East
Sacramento, California 95819
The U.S. Geological Survey held a virtual workshop December 7–8, 2023, to share research and ideas about earthquake ground motions in the Central and Eastern United States, with a focus on the Atlantic and Gulf Coastal Plains. The workshop was organized to learn about potential regionalization of ground-motion characteristics (source, path, and site), consider new explanatory variables for site response, and hear and discuss updates on ground-motion research on the Atlantic and Gulf Coastal Plains. The workshop was organized into a series of contributed presentations and three panel discussions held during 2 days. This report documents the agenda, contributed abstracts, and panel summaries.
","language":"English","publisher":"U.S. Geological Survey","publisherLocation":"Reston VA","doi":"10.3133/sir20255025","collaboration":"Prepared in collaboration with North Carolina State University","programNote":"Natural Hazards Mission Area—Earthquake Hazards Program","usgsCitation":"Boyd, O.S., Herrick, J.A., Cabas, A., and Ahdi, S.K., 2025, 2023 Earthquake Ground-Motion Workshop for the Central and Eastern United States, with a focus on the Gulf and Atlantic Coastal Plains—Agenda and abstracts: U.S. Geological Survey Scientific Investigations Report 2025–5025, 15 p., https://doi.org/10.3133/sir20255025.","productDescription":"vii, 15 p.","onlineOnly":"Y","ipdsId":"IP-164225","costCenters":[{"id":78686,"text":"Geologic Hazards Science Center - Seismology / Geomagnetism","active":true,"usgs":true}],"links":[{"id":486619,"rank":3,"type":{"id":34,"text":"Image Folder"},"url":"https://pubs.usgs.gov/sir/2025/5025/images"},{"id":486591,"rank":2,"type":{"id":11,"text":"Document"},"url":"https://pubs.usgs.gov/sir/2025/5025/sir20255025.pdf","text":"Report","size":"7.0 MB","linkFileType":{"id":1,"text":"pdf"},"description":"SIR 2025-5025"},{"id":486590,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/sir/2025/5025/coverthb.jpg"},{"id":486620,"rank":4,"type":{"id":31,"text":"Publication XML"},"url":"https://pubs.usgs.gov/sir/2025/5025/sir20255025.xml"},{"id":489663,"rank":5,"type":{"id":39,"text":"HTML Document"},"url":"https://pubs.usgs.gov/publication/sir20255025/full","text":"Report","linkFileType":{"id":5,"text":"html"},"description":"SIR 2025-5025"},{"id":499041,"rank":6,"type":{"id":36,"text":"NGMDB Index Page"},"url":"https://ngmdb.usgs.gov/Prodesc/proddesc_118586.htm","linkFileType":{"id":5,"text":"html"}}],"contact":"Director, Geologic Hazards Science Center
U.S. Geological Survey
Box 25046, MS-966
Denver, CO 80225
Connecticut has a diverse, largely forested landscape characterized by hills and low mountains in the Western Upland, hills in the Eastern Upland, ridges and broad valleys in the Central Lowland, and many beaches and harbors along the coast of Long Island Sound. Connecticut is manufacturing and service focused, ranking almost highest among the 50 States in the United States in personal income per capita. Due to Connecticut’s dense population, many people, especially the approximately 60 percent living near the coast, may be affected by climate-driven disasters. High-quality elevation data can inform the activities of many nongovernmental organizations and municipal and academic entities statewide, resulting in substantial economic impact. Government at the State and local levels relies on these data to support regulatory permitting, resource and infrastructure management, and various engineering and planning-level analyses. Critical applications that meet the State’s management needs depend on light detection and ranging (lidar) data that provide a highly detailed three-dimensional (3D) model of the Earth’s surface and aboveground features.
The 3D Elevation Program (3DEP) is managed by the U.S. Geological Survey in partnership with Federal, State, Tribal, U.S. territorial, and local agencies to acquire consistent lidar coverage at quality level 2 or better to meet the many needs of the Nation and Connecticut. The status of available and in-progress 3DEP baseline lidar data in Connecticut is shown. 3DEP baseline lidar data include quality level 2 or better, 1-meter or better digital elevation models, and lidar point clouds, and must meet the Lidar Base Specification version 1.2 or newer requirements. The National Enhanced Elevation Assessment identified user requirements and conservatively estimated that availability of lidar data would result in at least $4.40 million in new benefits annually to the State. The top 10 Connecticut business uses for 3D elevation data, which are based on the estimated annual conservative benefits of 3DEP, are shown.
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U.S. Geological Survey, MS 511
12201 Sunrise Valley Drive
Reston, VA 20192
Email: 3DEP@usgs.gov
","tableOfContents":"Wildlife research and management can be disruptive to wildlife. By advancing our understanding of the impacts of these activities, we can reduce adverse effects, improve decision-making, and enhance the outcomes of research and management. During 2017–2019, we observed the responses of denning female American black bears (Ursus americanus) to 3 types of routine research and management activities in Florida, USA: (1) a low-level, nonintrusive human approach near the natal den (n H 44); (2) a high-level, intrusive human approach involving cub handling (n H 42); and (3) a prescribed burn within 1 km of the den during the denning season (n H 11). We measured responses (flight distance, time away, and postdisturbance denning behavior) using Global Positioning System collars programmed to record a location every 2 hours. We observed minimal response from bears to low-level human disturbances. In contrast, all bears fled after high-level human disturbances, with responses ranging from staying nearby throughout the disturbance and quickly returning to cubs, to fleeing several kilometers and abandoning cubs. On average, bears fled approximately 380 m from the den and returned to their cubs 7 hours postdisturbance. After returning, most bears relocated their cubs to a new den site, on average 125 m away. Responses to prescribed fire ranged from no measurable response and no den relocation to den site abandonment with cub mortality. Through generalized linear modeling, we found that adult female time away was positively associated with cub age. We found that annual cub survival was negatively associated with fire exposure in the den and with continued denning at a disturbed den site following high-level disturbance. In areas where bears are easily displaced from dens, these results provide insights that may improve bear research and habitat management decisions.
","language":"English","publisher":"International Association for Bear Research and Management","doi":"10.2192/ursus-d-24-00011r1","usgsCitation":"Doran-Myers, D., Gregory, K., McGowan, C.P., Hull, V., and Scheick, B.K., 2025, Denning black bear response to anthropogenic disturbance and implications for cub survival in Florida: Ursus, v. 2525, no. 36e7, p. 1-20, https://doi.org/10.2192/ursus-d-24-00011r1.","productDescription":"20 p.","startPage":"1","endPage":"20","ipdsId":"IP-162854","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":494465,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.2192/ursus-d-24-00011r1","text":"Publisher Index Page"},{"id":494389,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Florida","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -85.70700771970081,\n 30.533149376429677\n ],\n [\n -85.70700771970081,\n 29.526013452470593\n ],\n [\n -84.16956484525814,\n 29.526013452470593\n ],\n [\n -84.16956484525814,\n 30.533149376429677\n ],\n [\n -85.70700771970081,\n 30.533149376429677\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"2525","issue":"36e7","noUsgsAuthors":false,"publicationDate":"2025-05-27","publicationStatus":"PW","contributors":{"authors":[{"text":"Doran-Myers, Darcy","contributorId":359973,"corporation":false,"usgs":false,"family":"Doran-Myers","given":"Darcy","affiliations":[{"id":36221,"text":"University of Florida","active":true,"usgs":false}],"preferred":false,"id":946611,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Gregory, Kaili","contributorId":359974,"corporation":false,"usgs":false,"family":"Gregory","given":"Kaili","affiliations":[{"id":36221,"text":"University of Florida","active":true,"usgs":false}],"preferred":false,"id":946612,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McGowan, Conor P. 0000-0002-7330-9581 cmcgowan@usgs.gov","orcid":"https://orcid.org/0000-0002-7330-9581","contributorId":10145,"corporation":false,"usgs":true,"family":"McGowan","given":"Conor","email":"cmcgowan@usgs.gov","middleInitial":"P.","affiliations":[],"preferred":false,"id":946613,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hull, Vanessa","contributorId":340791,"corporation":false,"usgs":false,"family":"Hull","given":"Vanessa","email":"","affiliations":[{"id":36221,"text":"University of Florida","active":true,"usgs":false}],"preferred":false,"id":946614,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Scheick, Brian K.","contributorId":359976,"corporation":false,"usgs":false,"family":"Scheick","given":"Brian","middleInitial":"K.","affiliations":[{"id":12556,"text":"Florida Fish and Wildlife Conservation Commission","active":true,"usgs":false}],"preferred":false,"id":946615,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70269346,"text":"70269346 - 2025 - Reproductive output of the rare plant Arctomecon californica does not appear to be limited by its floral visitor community","interactions":[],"lastModifiedDate":"2025-07-18T15:31:05.875658","indexId":"70269346","displayToPublicDate":"2025-05-27T10:26:43","publicationYear":"2025","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3086,"text":"Plant Ecology","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Reproductive output of the rare plant Arctomecon californica does not appear to be limited by its floral visitor community","title":"Reproductive output of the rare plant Arctomecon californica does not appear to be limited by its floral visitor community","docAbstract":"The majority of plants rely on animal-mediated pollination for reproduction. Reductions in pollinator visitations can lead to pollen limitation and declines in seed production. Arctomecon californica, the Las Vegas bearpoppy, is a rare plant native to the northeastern Mojave Desert. It is pollinator dependent for reproduction as it is self-incompatible, but associated pollinator populations can fluctuate greatly year to year. We therefore investigated if the reproductive output of A. californica is reduced in a year with lower pollinator visitation (2022) compared to a year when visitors were more abundant (2023). We documented the visiting bee community across both years and compared rates of A. californica seed fertilization and development across populations and between the two years. We collected and identified bees from 18 genera visiting A. californica flowers over the two years, with significant differences in the bee communities between years. There were significantly fewer overall bee visits to A. californica flowers in 2022 compared to 2023, but we found no impact on reproductive output, with overall high rates of seed production in both years.
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