Martian geomorphology and surface features provide links to understanding past geologic processes such as fluid movement, local and regional tectonics, and feature formation mechanisms. Pitted cones are common features in the northern plains basins of Mars. They have been proposed to have formed from upwelling volatile-rich fluids, such as magma or water-sediment slurries. In this study, we map the spatial distributions of pitted cone features across the Utopia Planitia (UP) basin. Using the Average Nearest Neighbor technique, we find that pitted cone features appear to be clustered across the basin, occurring in a narrow band around the circumferential rim of UP. Additionally, we find that pitted cone features also appear to be aligned in chains that are sub-parallel with the basin margin. Parallel bands of cones generally follow elevation contours of the UP basin, which suggests elevation or a correlated factor plays a major role in pitted cone and cone chain formation. We propose that pitted cones and cone chains may be related to vertical fractures formed around the UP basin rim from subsidence of infilling basin material.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.icarus.2023.115825","usgsCitation":"Mills, M.M., McEwen, A.S., Hughes, A.N., Kim, J., and Okubo, C., 2024, Analyzing spatial distributions and alignments of pitted cone features in Utopia Planitia on Mars: Icarus, v. 408, 115825, 12 p., https://doi.org/10.1016/j.icarus.2023.115825.","productDescription":"115825, 12 p.","ipdsId":"IP-156266","costCenters":[{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"links":[{"id":441139,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1016/j.icarus.2023.115825","text":"Publisher Index Page"},{"id":422723,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Mars, Utopia Planitia","volume":"408","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Mills, Mackenzie M.","contributorId":331663,"corporation":false,"usgs":false,"family":"Mills","given":"Mackenzie","email":"","middleInitial":"M.","affiliations":[{"id":7042,"text":"University of Arizona","active":true,"usgs":false}],"preferred":false,"id":888396,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"McEwen, Alfred S.","contributorId":61657,"corporation":false,"usgs":false,"family":"McEwen","given":"Alfred","email":"","middleInitial":"S.","affiliations":[{"id":7042,"text":"University of Arizona","active":true,"usgs":false}],"preferred":false,"id":888397,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Hughes, Amanda N.","contributorId":331664,"corporation":false,"usgs":false,"family":"Hughes","given":"Amanda","email":"","middleInitial":"N.","affiliations":[{"id":7042,"text":"University of Arizona","active":true,"usgs":false}],"preferred":false,"id":888398,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Kim, Ji-Eun 0000-0002-7668-5072","orcid":"https://orcid.org/0000-0002-7668-5072","contributorId":331665,"corporation":false,"usgs":true,"family":"Kim","given":"Ji-Eun","email":"","affiliations":[{"id":432,"text":"National Minerals Information Center","active":true,"usgs":true}],"preferred":true,"id":888399,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Okubo, Chris 0000-0001-9776-8128 cokubo@usgs.gov","orcid":"https://orcid.org/0000-0001-9776-8128","contributorId":174209,"corporation":false,"usgs":true,"family":"Okubo","given":"Chris","email":"cokubo@usgs.gov","affiliations":[{"id":131,"text":"Astrogeology Science Center","active":true,"usgs":true}],"preferred":true,"id":888400,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70249413,"text":"70249413 - 2024 - A novel approach to assessing natural resource injury with Bayesian networks","interactions":[],"lastModifiedDate":"2024-02-26T15:49:37.457545","indexId":"70249413","displayToPublicDate":"2023-10-06T11:03:16","publicationYear":"2024","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2006,"text":"Integrated Environmental Assessment and Management","active":true,"publicationSubtype":{"id":10}},"title":"A novel approach to assessing natural resource injury with Bayesian networks","docAbstract":"Quantifying the effects of environmental stressors on natural resources is problematic because of complex interactions among environmental factors that influence endpoints of interest. This complexity, coupled with data limitations, propagates uncertainty that can make it difficult to causally associate specific environmental stressors with injury endpoints. The Natural Resource Damage Assessment and Restoration (NRDAR) regulations under the Comprehensive Environmental Response, Compensation, and Liability Act and Oil Pollution Act aim to restore natural resources injured by oil spills and hazardous substances released into the environment; exploration of alternative statistical methods to evaluate effects could help address NRDAR legal claims. Bayesian networks (BNs) are statistical tools that can be used to estimate the influence and interrelatedness of abiotic and biotic environmental variables on environmental endpoints of interest. We investigated the application of a BN for injury assessment using a hypothetical case study by simulating data of acid mine drainage (AMD) affecting a fictional stream-dwelling bird species. We compared the BN-generated probability estimates for injury with a more traditional approach using toxicity thresholds for water and sediment chemistry. Bayesian networks offered several distinct advantages over traditional approaches, including formalizing the use of expert knowledge, probabilistic estimates of injury using intermediate direct and indirect effects, and the incorporation of a more nuanced and ecologically relevant representation of effects. Given the potential that BNs have for natural resource injury assessment, more research and field-based application are needed to determine their efficacy in NRDAR. We expect the resulting methods will be of interest to many US federal, state, and tribal programs devoted to the evaluation, mitigation, remediation, and/or restoration of natural resources injured by releases or spills of contaminants
","language":"English","publisher":"Wiley","doi":"10.1002/ieam.4836","usgsCitation":"Rowland, F.E., Kotalik, C.J., Marcot, B.G., Hinck, J.E., and Walters, D., 2024, A novel approach to assessing natural resource injury with Bayesian networks: Integrated Environmental Assessment and Management, v. 20, no. 2, p. 562-573, https://doi.org/10.1002/ieam.4836.","productDescription":"12 p.","startPage":"562","endPage":"573","ipdsId":"IP-151776","costCenters":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"links":[{"id":441142,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/ieam.4836","text":"Publisher Index Page"},{"id":421749,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"20","issue":"2","noUsgsAuthors":false,"publicationDate":"2023-09-04","publicationStatus":"PW","contributors":{"authors":[{"text":"Rowland, Freya Elizabeth 0000-0002-1041-5301","orcid":"https://orcid.org/0000-0002-1041-5301","contributorId":302395,"corporation":false,"usgs":true,"family":"Rowland","given":"Freya","email":"","middleInitial":"Elizabeth","affiliations":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"preferred":true,"id":885533,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Kotalik, Christopher James 0000-0001-6739-6036","orcid":"https://orcid.org/0000-0001-6739-6036","contributorId":301847,"corporation":false,"usgs":true,"family":"Kotalik","given":"Christopher","email":"","middleInitial":"James","affiliations":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"preferred":true,"id":885534,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Marcot, Bruce G.","contributorId":140456,"corporation":false,"usgs":false,"family":"Marcot","given":"Bruce","email":"","middleInitial":"G.","affiliations":[{"id":12647,"text":"U.S. Forest Service, Pacific Northwest Research Station","active":true,"usgs":false}],"preferred":false,"id":885535,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hinck, Jo Ellen 0000-0002-4912-5766 jhinck@usgs.gov","orcid":"https://orcid.org/0000-0002-4912-5766","contributorId":2743,"corporation":false,"usgs":true,"family":"Hinck","given":"Jo","email":"jhinck@usgs.gov","middleInitial":"Ellen","affiliations":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true}],"preferred":true,"id":885536,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Walters, David 0000-0002-4237-2158","orcid":"https://orcid.org/0000-0002-4237-2158","contributorId":203410,"corporation":false,"usgs":true,"family":"Walters","given":"David","affiliations":[{"id":192,"text":"Columbia Environmental Research Center","active":true,"usgs":true},{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true}],"preferred":true,"id":885537,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70255294,"text":"70255294 - 2024 - Identifying demographic and environmental drivers of population dynamics and viability in an endangered top predator using an integrated model","interactions":[],"lastModifiedDate":"2024-06-14T12:07:19.042021","indexId":"70255294","displayToPublicDate":"2023-10-06T07:01:47","publicationYear":"2024","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":774,"text":"Animal Conservation","active":true,"publicationSubtype":{"id":10}},"title":"Identifying demographic and environmental drivers of population dynamics and viability in an endangered top predator using an integrated model","docAbstract":"Knowledge about the demographic and environmental factors underlying population dynamics is fundamental to designing effective conservation measures to recover depleted wildlife populations. However, sparse monitoring data or persistent knowledge gaps about threats make it difficult to identify the drivers of population dynamics. In situations where small, declining, or depleted populations show continued evidence of decline for unknown reasons, integrated population models can make efficient use of available data to improve our understanding of demography, provide fundamental insights into factors that may be limiting recovery, and support conservation decisions. We used mark-resight and aerial survey data from 2004 to 2018 to build a Bayesian integrated population model for the Cook Inlet population of beluga whales (Delphinapterus leucas), which is listed as endangered under the U.S. Endangered Species Act. We examined the effects of prey availability and oceanographic conditions on beluga vital rates and conducted a population viability analysis to predict extinction risk across a range of hypothetical changes in beluga survival and reproduction. Our results indicated that while the survival of breeding females (0.97; 95% CI: 0.95–0.99) and young calves (0.92; 0.80–0.98) was relatively high, the survival of nonbreeders (0.94; 0.91–0.97) and fecundity (0.28; 0.22–0.36) may be depressed. Furthermore, our analysis indicates that the population will likely continue to decline, with a 17–32% probability of extinction in 150 years. Our model highlights the utility of integrated population modeling for maximizing the usefulness of available data and identifying factors contributing to the failure of protected populations to recover. This framework can be used to evaluate proposed conservation and recovery efforts for this and other endangered species.
Ecological theory predicts that movement by riverine fishes at the population level is characterized by both stationary and mobile individuals together creating a leptokurtic distribution of movement distances. However, studies testing this theory typically ignore spatial heterogeneity in riverscapes, and the theory has not been tested using Alligator Gar (Atractosteus spatula), a species of growing interest among anglers and fisheries managers alike. We characterized movements and habitat associations of Alligator Gar in the Brazos River, Texas, at fine (every 2 h for 24 h) and coarse (every month for 16 months) spatiotemporal scales. We tested for the presence of leptokurtosis and relationships between movement distance, habitat dissimilarity, and time-at-large using multivariate and univariate statistical approaches. Dispersal by Alligator Gar revealed leptokurtosis at the coarse scale but not the fine scale. At the fine scale, mixed effects quantile regression revealed there was no relationship between habitat dissimilarity and dispersal distance, but dispersal was positively correlated with time. At the coarse scale, dispersal was positively correlated with increased habitat dissimilarity and time, but only for the most mobile individuals. Our work suggests that short-term movements by riverine Alligator Gar during warm seasons and at base flows increased with time but were unrelated to habitat, and long-term movements over an annual cycle during warm season flow pulses revealed highly mobile members of the population accessed distant and novel floodplain environments.
We develop and apply a dynamic economic simulation model to analyze the multi-regional impacts of, and mechanisms of recovery from, a major disaster, the HayWired scenario — a hypothetical Magnitude 7.0 earthquake affecting California’s San Francisco Bay Area. The model integrates loss pathways: capital stock damage, labor supply shocks due to short-term population displacement and longer-run out-migration from damaged areas, and the exacerbating effects of damage to transportation infrastructure capital, as well as various aspects of static and dynamic economic resilience. With input substitution-based static inherent resilience and dynamic resilience in the form of optimal intertemporal and spatial investment allocation, gross output losses range from 0.5 percent to 6 percent across regions, and welfare losses are 0.4 percent statewide but can be ten times as large in hardest-hit areas. Large-scale reconstruction investment is supported by substantial interregional transfers of resources through intra-state trade. Increased output via firms engaging in the key adaptive resilience tactic of production recapture can alleviate a substantial fraction of losses—but only if upstream and downstream barriers to recovery can be lowered quickly.
","language":"English","publisher":"Sage Journals","doi":"10.1177/01600176231202451","usgsCitation":"Sue Wing, I., Rose, A.Z., Wei, D., and Wein, A., 2024, The long shadow of a major disaster: Modeled dynamic impacts of the hypothetical HayWired earthquake on California’s economy: International Regional Science Review, v. 47, no. 5-6, p. 655-696, https://doi.org/10.1177/01600176231202451.","productDescription":"42 p.","startPage":"655","endPage":"696","ipdsId":"IP-138450","costCenters":[{"id":657,"text":"Western Geographic Science Center","active":true,"usgs":true}],"links":[{"id":421891,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"California","otherGeospatial":"San Francisco Bay area","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -124,\n 39\n ],\n [\n -124,\n 36\n ],\n [\n -120,\n 36\n ],\n [\n -120,\n 39\n ],\n [\n -124,\n 39\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"47","issue":"5-6","noUsgsAuthors":false,"publicationDate":"2023-10-04","publicationStatus":"PW","contributors":{"authors":[{"text":"Sue Wing, Ian","contributorId":304246,"corporation":false,"usgs":false,"family":"Sue Wing","given":"Ian","affiliations":[{"id":13570,"text":"Boston University","active":true,"usgs":false}],"preferred":false,"id":886077,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Rose, Adam Z","contributorId":330862,"corporation":false,"usgs":false,"family":"Rose","given":"Adam","email":"","middleInitial":"Z","affiliations":[{"id":13249,"text":"University of Southern California","active":true,"usgs":false}],"preferred":false,"id":886078,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Wei, Dan","contributorId":248873,"corporation":false,"usgs":false,"family":"Wei","given":"Dan","affiliations":[{"id":13249,"text":"University of Southern California","active":true,"usgs":false}],"preferred":false,"id":886079,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Wein, Anne 0000-0002-5516-3697 awein@usgs.gov","orcid":"https://orcid.org/0000-0002-5516-3697","contributorId":589,"corporation":false,"usgs":true,"family":"Wein","given":"Anne","email":"awein@usgs.gov","affiliations":[{"id":657,"text":"Western Geographic Science Center","active":true,"usgs":true}],"preferred":true,"id":886080,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70250169,"text":"70250169 - 2024 - Machine learning application to assess occurrence and saturations of methane hydrate in marine deposits offshore India","interactions":[],"lastModifiedDate":"2024-01-04T14:57:18.934706","indexId":"70250169","displayToPublicDate":"2023-10-04T08:34:25","publicationYear":"2024","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":17094,"text":"Journal Interpretation","active":true,"publicationSubtype":{"id":10}},"title":"Machine learning application to assess occurrence and saturations of methane hydrate in marine deposits offshore India","docAbstract":"Artificial Neural Networks (ANN) were used to assess methane hydrate occurrence and saturation in marine sediments offshore India. The ANN analysis classifies the gas hydrate occurrence into three types: methane hydrate in pore space, methane hydrate in fractures, or no methane hydrate. Further, predicted saturation characterizes the volume of gas hydrate with respect to the available void volume. Log data collected at six wells, which were drilled during the India National Gas Hydrate Program Expedition 02 (NGHP-02), provided a combination of well log measurements that were used as input for machine learning (ML) models. Well log measurements included density, porosity, electrical resistivity, natural gamma radiation, and acoustic wave velocity. Combinations of well logs used in the ML models provide good overall balanced accuracy (0.79 to 0.86) for the prediction of the gas hydrate occurrence and good accuracy (0.68 to 0.92) for methane hydrate saturation prediction in the marine accumulations against reference data. The accuracy scores indicate that the ML models can successfully predict reservoir characteristics for marine methane hydrate deposits. The results indicate that the ML models can either augment physics-driven methods for assessing the occurrence and saturation of methane hydrate deposits or serve as an independent predictive tool for those characteristics.
","language":"English","publisher":"Society of Exploration Geophysicists and American Association of Petroleum Geologists","doi":"10.1190/int-2023-0056.1","usgsCitation":"Chong, L., Collett, T., Creason, C.G., Seol, Y., and Myshakin, E., 2024, Machine learning application to assess occurrence and saturations of methane hydrate in marine deposits offshore India: Journal Interpretation, v. 12, p. T63-T75, https://doi.org/10.1190/int-2023-0056.1.","productDescription":"13 p.","startPage":"T63","endPage":"T75","ipdsId":"IP-151255","costCenters":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true}],"links":[{"id":467055,"rank":2,"type":{"id":41,"text":"Open Access External Repository Page"},"url":"https://www.osti.gov/biblio/2059620","text":"External Repository"},{"id":422953,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"India","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n 81,\n 16.75\n ],\n [\n 81,\n 15.4\n ],\n [\n 83.25,\n 15.4\n ],\n [\n 83.25,\n 16.75\n ],\n [\n 81,\n 16.75\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"12","noUsgsAuthors":false,"publicationDate":"2023-12-15","publicationStatus":"PW","contributors":{"authors":[{"text":"Chong, Leebyn","contributorId":331733,"corporation":false,"usgs":false,"family":"Chong","given":"Leebyn","email":"","affiliations":[{"id":64933,"text":"National Energy Technology Laboratory","active":true,"usgs":false}],"preferred":false,"id":888643,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Collett, Timothy 0000-0002-7598-4708","orcid":"https://orcid.org/0000-0002-7598-4708","contributorId":220806,"corporation":false,"usgs":true,"family":"Collett","given":"Timothy","affiliations":[{"id":164,"text":"Central Energy Resources Science Center","active":true,"usgs":true},{"id":255,"text":"Energy Resources Program","active":true,"usgs":true}],"preferred":true,"id":888644,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Creason, C. Gabriel","contributorId":331734,"corporation":false,"usgs":false,"family":"Creason","given":"C.","email":"","middleInitial":"Gabriel","affiliations":[{"id":64933,"text":"National Energy Technology Laboratory","active":true,"usgs":false}],"preferred":false,"id":888645,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Seol, Yongkoo","contributorId":195139,"corporation":false,"usgs":false,"family":"Seol","given":"Yongkoo","email":"","affiliations":[],"preferred":false,"id":888646,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Myshakin, E.M.","contributorId":229601,"corporation":false,"usgs":false,"family":"Myshakin","given":"E.M.","email":"","affiliations":[{"id":41691,"text":"Office of Research and Development, National Energy Technology Laboratory, Morgantown, WV, USA","active":true,"usgs":false}],"preferred":false,"id":888647,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70249268,"text":"70249268 - 2024 - Spatial variation in density of American black bears in northern Yellowstone National Park","interactions":[],"lastModifiedDate":"2023-12-04T17:20:03.177492","indexId":"70249268","displayToPublicDate":"2023-10-03T07:29:35","publicationYear":"2024","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":16872,"text":"The Journal of Wildlife Management","active":true,"publicationSubtype":{"id":10}},"title":"Spatial variation in density of American black bears in northern Yellowstone National Park","docAbstract":"The quality and availability of resources are known to influence spatial patterns of animal density. In Yellowstone National Park, relationships between the availability of resources and the distribution of grizzly bears (Ursus arctos) have been explored but have yet to be examined in American black bears (Ursus americanus). We conducted non-invasive genetic sampling during 2017–2018 (mid-May to mid-July) and applied spatially explicit capture-recapture models to estimate density of black bears and examine associations with landscape features. In both years, density estimates were higher in forested vegetation communities, which provide food resources and thermal and security cover preferred by black bears, compared with non-forested areas. In 2017, density also varied by sex, with female densities being higher than males. Based on our estimates, the northern range of Yellowstone National Park supports one of the highest densities of black bears (20 black bears/100 km2) in the northern Rocky Mountains (6–12 black bears/100 km2 in other regions). Given these high densities, black bears could influence other wildlife populations more than previously thought, such as through displacement of sympatric predators from kills. Our study provides the first spatially explicit estimates of density for black bears within an ecosystem that contains the majority of North America's large mammal species. Our density estimates provide a baseline that can be used for future research and management decisions of black bears, including efforts to reduce human–bear conflicts.
","language":"English","publisher":"Wiley","doi":"10.1002/jwmg.22497","usgsCitation":"Bowersock, N.R., Litt, A.R., Sawaya, M.A., Gunther, K.A., and van Manen, F.T., 2024, Spatial variation in density of American black bears in northern Yellowstone National Park: The Journal of Wildlife Management, v. 88, no. 1, e22497, 16 p., https://doi.org/10.1002/jwmg.22497.","productDescription":"e22497, 16 p.","ipdsId":"IP-152759","costCenters":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"links":[{"id":441146,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/jwmg.22497","text":"Publisher Index Page"},{"id":421535,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Montana, Wyoming","otherGeospatial":"Yellowstone National Park","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -110.03494952723108,\n 43.72561860928255\n ],\n [\n -106.75486658878216,\n 43.72561860928255\n ],\n [\n -106.75486658878216,\n 45.330355263304455\n ],\n [\n -110.03494952723108,\n 45.330355263304455\n ],\n [\n -110.03494952723108,\n 43.72561860928255\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"88","issue":"1","noUsgsAuthors":false,"publicationDate":"2023-09-25","publicationStatus":"PW","contributors":{"authors":[{"text":"Bowersock, Nathaniel R.","contributorId":268804,"corporation":false,"usgs":false,"family":"Bowersock","given":"Nathaniel","email":"","middleInitial":"R.","affiliations":[{"id":36555,"text":"Montana State University","active":true,"usgs":false}],"preferred":false,"id":884948,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Litt, Andrea R.","contributorId":208358,"corporation":false,"usgs":false,"family":"Litt","given":"Andrea","email":"","middleInitial":"R.","affiliations":[{"id":36555,"text":"Montana State University","active":true,"usgs":false}],"preferred":false,"id":884949,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Sawaya, Michael A.","contributorId":330440,"corporation":false,"usgs":false,"family":"Sawaya","given":"Michael","email":"","middleInitial":"A.","affiliations":[{"id":78897,"text":"Sinopah Wildlife Research Associates","active":true,"usgs":false}],"preferred":false,"id":884950,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Gunther, Kerry A.","contributorId":84621,"corporation":false,"usgs":false,"family":"Gunther","given":"Kerry","email":"","middleInitial":"A.","affiliations":[{"id":5118,"text":"Yellowstone National Park, Yellowstone Center for Resources, Bear Management Office, P.O. Box 168, Yellowstone National Park, WY 82190","active":true,"usgs":false}],"preferred":false,"id":884951,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"van Manen, Frank T. 0000-0001-5340-8489 fvanmanen@usgs.gov","orcid":"https://orcid.org/0000-0001-5340-8489","contributorId":2267,"corporation":false,"usgs":true,"family":"van Manen","given":"Frank","email":"fvanmanen@usgs.gov","middleInitial":"T.","affiliations":[{"id":481,"text":"Northern Rocky Mountain Science Center","active":true,"usgs":true}],"preferred":true,"id":884952,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70251209,"text":"70251209 - 2024 - The inevitability of large shallow craters on Callisto and Ganymede: Implications for crater depth-diameter trends","interactions":[],"lastModifiedDate":"2024-01-29T12:40:51.426987","indexId":"70251209","displayToPublicDate":"2023-10-02T06:35:20","publicationYear":"2024","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1963,"text":"Icarus","active":true,"publicationSubtype":{"id":10}},"title":"The inevitability of large shallow craters on Callisto and Ganymede: Implications for crater depth-diameter trends","docAbstract":"Complex craters with diameters (D) ≥ 40 km on Callisto and Ganymede are shallower than would be expected from simply extrapolating the depth-diameter trend from smaller (D ≤ 40 km) craters. This unusual depth-diameter (d-D) trend, and associated changes in crater morphology, have been hypothesized to result from rheological transitions, including the existence of an ocean, within the moons' ice shell. Simulations of impact crater formation can reproduce the observed shallow depths but require heat fluxes roughly twice the maximum radiogenic flux to do so. Here we demonstrate that the d-D trends on Callisto and Ganymede can instead be explained as a direct consequence of viscous relaxation under radiogenic heating. We use numerical simulations of viscous relaxation to show that if craters form at the depth expected from an extrapolation of the complex crater d-D trend, they will evolve to the observed depths over timescales of 200 Myrs to 1 Gyrs. Large craters (e.g., D ≥ 80 km) younger than 200 Myrs, which would retain greater depths, should be relatively rare. If we instead assume that the craters formed at their observed depths, as proposed by previous impact modeling, they quickly become much shallower than observed. We find excellent agreement between observed crater depths on Ganymede and our simulated crater depths by assuming a pure-water ice composition and a diurnally averaged surface temperature of 120 K, but require either larger-grained or “dirty” ice with a modestly higher viscosity to match observations at Callisto, where the surface temperature is warmer (130 K). We favor the latter explanation because it is consistent with the existence of a dusty lag on Callisto's surface and the absence of a similar lag on Ganymede. Our results predict that, for a given crater diameter, post-relaxation crater depth should increase with increasing latitude, a hypothesis best tested on Callisto, whose relatively quiescent geologic history best preserves the signature of viscous relaxation under radiogenic heating.
Convergent margins play a fundamental role in the construction and modification of Earth's lithosphere and are characterized by poorly understood episodic processes that occur during the progression from subduction to terminal collision. On the northern margin of the active Arabia-Eurasia collision zone, the Greater Caucasus Mountains provide an opportunity to study a protracted convergent margin that spanned most of the Phanerozoic and culminated in Cenozoic continental collision. However, the main episodes of lithosphere formation and deformation along this margin remain enigmatic. Here, we use detrital zircon U–Pb geochronology from Paleozoic and Mesozoic (meta)sedimentary rocks in the Greater Caucasus, along with select zircon U–Pb and Hf isotopic data from coeval igneous rocks, to link key magmatic and depositional episodes along the Caucasus convergent margin. Devonian to Early Carboniferous rocks were deposited prior to Late Carboniferous accretion of the Greater Caucasus crystalline core onto the Laurussian margin. Permian to Triassic rocks document a period of northward subduction and forearc deposition south of a continental margin volcanic arc in the Northern Caucasus and Scythian Platform. Jurassic rocks record the opening of the Caucasus Basin as a back-arc rift during southward migration of the arc front into the Lesser Caucasus. Cretaceous rocks have few Jurassic-Cretaceous zircons, indicating a period of relative magmatic quiescence and minimal exhumation within this basin. Late Cenozoic closure of the Caucasus Basin juxtaposed the Lesser Caucasus arc to the south against the crystalline core of the Greater Caucasus to the north and led to the formation of a hypothesized terminal suture. We expect this suture to be within ~20 km of the southern range front of the Greater Caucasus because all analysed rocks to the north exhibit a provenance affinity with the crystalline core of the Greater Caucasus.
Reducing Largemouth Bass Micropterus salmoides recruitment and therefore population density could benefit recreational fisheries in small impoundments by improving individual growth rates and increasing the average size and condition of Largemouth Bass. To achieve these effects, methods of controlling Largemouth Bass recruitment should avoid reducing the productivity of their primary prey species, the Bluegill Lepomis macrochirus.
We tested this hypothesis by evaluating the effects of shoreline rotenone application on the density of Bluegill and the density, growth, and survival of age-0 and age-1 Largemouth Bass in 15 Alabama small impoundments.
After treatment, Largemouth Bass age-0 densities declined and mean age-1 length increased, whereas Bluegill populations were not significantly reduced.
Our study indicates that shoreline rotenone application may be a valuable method for reducing Largemouth Bass recruitment and increasing the growth of age-1 Largemouth Bass in small impoundments. However, further research is needed to understand the effects of treatment on nontarget fishes and to better assess the effects of factors such as impoundment surface area and treatment frequency and duration on the ultimate utility of the approach.
","language":"English","publisher":"American Fisheries Society","doi":"10.1002/nafm.10953","usgsCitation":"Coleman, T.S., Eckelbecker, R.W., Carlson, A.K., DeVries, D.R., Wright, R., Staton, B.A., Parker, S.W., Chittam, C.R., Lovell, R.G., and Catalano, M.J., 2024, Evaluation of shoreline rotenone application to control Largemouth Bass recruitment in small impoundments: North American Journal of Fisheries Management, v. 44, no. 1, p. 57-69, https://doi.org/10.1002/nafm.10953.","productDescription":"13 p.","startPage":"57","endPage":"69","ipdsId":"IP-152118","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":432147,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alabama","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -88.35685805939613,\n 33.144945214897064\n ],\n [\n -88.56131039284264,\n 31.284125017287025\n ],\n [\n -85.04836562372327,\n 31.28839877053936\n ],\n [\n -85.20043734339774,\n 33.12268381006058\n ],\n [\n -88.35685805939613,\n 33.144945214897064\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"44","issue":"1","noUsgsAuthors":false,"publicationDate":"2023-09-29","publicationStatus":"PW","contributors":{"authors":[{"text":"Coleman, Tyler Steven","contributorId":340579,"corporation":false,"usgs":false,"family":"Coleman","given":"Tyler","email":"","middleInitial":"Steven","affiliations":[{"id":13360,"text":"Auburn University","active":true,"usgs":false}],"preferred":false,"id":907378,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Eckelbecker, Robert W.","contributorId":338225,"corporation":false,"usgs":false,"family":"Eckelbecker","given":"Robert","email":"","middleInitial":"W.","affiliations":[{"id":36555,"text":"Montana State University","active":true,"usgs":false}],"preferred":false,"id":907379,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Carlson, Andrew Kenneth 0000-0002-6681-0853","orcid":"https://orcid.org/0000-0002-6681-0853","contributorId":340581,"corporation":false,"usgs":true,"family":"Carlson","given":"Andrew","email":"","middleInitial":"Kenneth","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":907380,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"DeVries, Dennis R.","contributorId":49678,"corporation":false,"usgs":true,"family":"DeVries","given":"Dennis","email":"","middleInitial":"R.","affiliations":[],"preferred":false,"id":907381,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Wright, Russell A.","contributorId":340584,"corporation":false,"usgs":false,"family":"Wright","given":"Russell A.","affiliations":[{"id":13360,"text":"Auburn University","active":true,"usgs":false}],"preferred":false,"id":907382,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Staton, Benjamin A.","contributorId":340586,"corporation":false,"usgs":false,"family":"Staton","given":"Benjamin","email":"","middleInitial":"A.","affiliations":[{"id":13360,"text":"Auburn University","active":true,"usgs":false}],"preferred":false,"id":907383,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Parker, Stephen W.","contributorId":340588,"corporation":false,"usgs":false,"family":"Parker","given":"Stephen","email":"","middleInitial":"W.","affiliations":[{"id":36221,"text":"University of Florida","active":true,"usgs":false}],"preferred":false,"id":907384,"contributorType":{"id":1,"text":"Authors"},"rank":7},{"text":"Chittam, Collin R.","contributorId":340591,"corporation":false,"usgs":false,"family":"Chittam","given":"Collin","email":"","middleInitial":"R.","affiliations":[{"id":13360,"text":"Auburn University","active":true,"usgs":false}],"preferred":false,"id":907385,"contributorType":{"id":1,"text":"Authors"},"rank":8},{"text":"Lovell, Richard G.","contributorId":340593,"corporation":false,"usgs":false,"family":"Lovell","given":"Richard","email":"","middleInitial":"G.","affiliations":[{"id":56927,"text":"Alabama Department of Conservation and Natural Resources","active":true,"usgs":false}],"preferred":false,"id":907386,"contributorType":{"id":1,"text":"Authors"},"rank":9},{"text":"Catalano, Matthew J.","contributorId":340595,"corporation":false,"usgs":false,"family":"Catalano","given":"Matthew","email":"","middleInitial":"J.","affiliations":[{"id":13360,"text":"Auburn University","active":true,"usgs":false}],"preferred":false,"id":907387,"contributorType":{"id":1,"text":"Authors"},"rank":10}]}} ,{"id":70249466,"text":"70249466 - 2024 - Revisiting conservation units for the endangered mountain yellow-legged frog species complex (Rana muscosa, Rana sierrae) using multiple genomic methods","interactions":[],"lastModifiedDate":"2024-05-20T15:14:19.658245","indexId":"70249466","displayToPublicDate":"2023-09-29T07:14:17","publicationYear":"2024","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1324,"text":"Conservation Genetics","active":true,"publicationSubtype":{"id":10}},"title":"Revisiting conservation units for the endangered mountain yellow-legged frog species complex (Rana muscosa, Rana sierrae) using multiple genomic methods","docAbstract":"Insights from conservation genomics have dramatically improved recovery plans for numerous endangered species. However, most taxa have yet to benefit from the full application of genomic technologies. The mountain yellow-legged frog species complex, Rana muscosa and Rana sierrae, inhabits the Sierra Nevada mountains and Transverse/Peninsular Ranges of California and Nevada. Both species have declined precipitously throughout their historical distributions. Conservation management plans outline extensive ongoing recovery efforts but are still based on the genetic structure determined primarily using a single mitochondrial sequence. Our study used two different sequencing strategies – amplicon sequencing and exome capture – to refine our understanding of the population genetics of these imperiled amphibians. We used buccal swabs, museum tissue samples, and archived skin swabs to genotype frog populations across their range. Using the amplicon sequencing and exome capture datasets separately and combined, we document five major genetic clusters. Notably, we found evidence supporting previous species boundaries within Kings Canyon National Park with some exceptions at individual sites. Though we see evidence of genetic clustering, especially in the R. muscosa clade, we also found evidence of some admixture across cluster boundaries in the R. sierrae clade, suggesting a stepping-stone model of population structure. We also find that the southern R. muscosa cluster had large runs of homozygosity and the lowest overall heterozygosity of any of the clusters, consistent with previous reports of marked declines in this area. Overall, our results clarify management unit designations across the range of an endangered species and highlight the importance of sampling the entire range of a species, even when collecting genome-scale data.
Earthquakes are among the most destructive natural disasters and have resulted in a massive number of fatalities and economic losses all over the world. Simulated ground motion records are valuable, particularly for regions lacking seismic stations or with a limited history of large-magnitude earthquakes. Notably, a significant percentage of monumental masonry buildings are located in regions with limited access to real records; hence, simulated records play a paramount role in their seismic protection. However, few studies have investigated the structural response of heritage buildings via response history analyses to assess the performance of simulated earthquakes against real ones. To accomplish this, this study simulates the recorded time-series of the 9th of July 1998 Faial earthquake in the Azores (Mw = 6.2) at four available stations, using two different simulation approaches, that is, a source-based stochastic finite-fault method and a site-based broadband stochastic method. First, two masonry facades with sidewalls characterized by different slenderness levels are adopted to conduct this research. Moreover, the proposed approach is also applied to an existing monumental structure, that is, São Francisco Church, located at Horta, which was affected by damage during the Faial earthquake. Results demonstrate that both simulation approaches provide similar results in terms of structural response prediction. The proposed framework also demonstrates that a small mismatch in terms of predicted damage patterns can result in a significant relative error in terms of displacement predictions.
","language":"English","publisher":"Wiley","doi":"10.1002/eqe.4012","usgsCitation":"Karimzadeh, S., Funari, M., Szabó, S., Hussaini, S.M., Rezaeian, S., and Lourenço, P., 2024, Stochastic simulation of earthquake ground motions for the seismic assessment of monumental masonry structures: Source-based vs site-based approaches: Earthquake Engineering and Structural Dynamics, v. 53, no. 1, p. 303-330, https://doi.org/10.1002/eqe.4012.","productDescription":"28 p.","startPage":"303","endPage":"330","ipdsId":"IP-153599","costCenters":[{"id":78686,"text":"Geologic Hazards Science Center - Seismology / Geomagnetism","active":true,"usgs":true}],"links":[{"id":494182,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/eqe.4012","text":"Publisher Index Page"},{"id":493847,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"otherGeospatial":"Azores region","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -33.14680988830381,\n 40.82334899248238\n ],\n [\n -33.14680988830381,\n 35.721016488135206\n ],\n [\n -21.995996591249934,\n 35.721016488135206\n ],\n [\n -21.995996591249934,\n 40.82334899248238\n ],\n [\n -33.14680988830381,\n 40.82334899248238\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"53","issue":"1","noUsgsAuthors":false,"publicationDate":"2023-09-28","publicationStatus":"PW","contributors":{"authors":[{"text":"Karimzadeh, Shaghayegh","contributorId":359419,"corporation":false,"usgs":false,"family":"Karimzadeh","given":"Shaghayegh","affiliations":[{"id":85799,"text":"University of Minho, Portugal","active":true,"usgs":false}],"preferred":false,"id":945297,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Funari, Marco F.","contributorId":359424,"corporation":false,"usgs":false,"family":"Funari","given":"Marco F.","affiliations":[{"id":85802,"text":"School of Sustainability, Civil and Environmental Engineering, University of Surrey, Guildford, UK.","active":true,"usgs":false}],"preferred":false,"id":945298,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Szabó, Simon","contributorId":359425,"corporation":false,"usgs":false,"family":"Szabó","given":"Simon","affiliations":[{"id":85803,"text":"Department of Civil Engineering, University of Minho, Institute for Sustainability and Innovation in Structural Engineering, ARISE, Guimarães, Portugal","active":true,"usgs":false}],"preferred":false,"id":945299,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Hussaini, S. M. Sajad","contributorId":359426,"corporation":false,"usgs":false,"family":"Hussaini","given":"S.","middleInitial":"M. Sajad","affiliations":[{"id":85803,"text":"Department of Civil Engineering, University of Minho, Institute for Sustainability and Innovation in Structural Engineering, ARISE, Guimarães, Portugal","active":true,"usgs":false}],"preferred":false,"id":945300,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Rezaeian, Sanaz 0000-0001-7589-7893","orcid":"https://orcid.org/0000-0001-7589-7893","contributorId":238513,"corporation":false,"usgs":true,"family":"Rezaeian","given":"Sanaz","affiliations":[{"id":300,"text":"Geologic Hazards Science Center","active":true,"usgs":true}],"preferred":true,"id":945301,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Lourenço, Paulo B.","contributorId":359427,"corporation":false,"usgs":false,"family":"Lourenço","given":"Paulo B.","affiliations":[{"id":85803,"text":"Department of Civil Engineering, University of Minho, Institute for Sustainability and Innovation in Structural Engineering, ARISE, Guimarães, Portugal","active":true,"usgs":false}],"preferred":false,"id":945302,"contributorType":{"id":1,"text":"Authors"},"rank":6}]}} ,{"id":70249473,"text":"70249473 - 2024 - Identifying predictors of translocation success in rare plant species","interactions":[],"lastModifiedDate":"2024-04-10T15:44:50.660951","indexId":"70249473","displayToPublicDate":"2023-09-28T09:03:21","publicationYear":"2024","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1321,"text":"Conservation Biology","active":true,"publicationSubtype":{"id":10}},"title":"Identifying predictors of translocation success in rare plant species","docAbstract":"The fundamental goal of a rare plant translocation is to create self-sustaining populations with the evolutionary resilience to persist in the long-term. Yet most plant translocation syntheses focus on a few factors influencing short-term benchmarks of success (e.g., survival and reproduction). Short-term benchmarks can be misleading when trying to infer future growth and viability because the factors that promote establishment may differ from those required for long-term persistence. We assembled a large (n = 275) and broadly representative dataset of well-documented and monitored (7.9 years on average) at-risk plant translocations to identify the most important site attributes, management techniques, and species traits for six life-cycle benchmarks and population metrics of translocation success. Using the random forest algorithm, we found that drivers of translocation outcomes varied across timeframes and metrics of success. Management techniques had the greatest relative influence on the attainment of life-cycle benchmarks and short-term population trends while site attributes and species traits were more important for population persistence and longer-term trends. Specifically, large founder sizes increased the potential for reproduction and recruitment into the next generation, while declining habitat quality and the outplanting of species with low seed production led to increased extinction risks and a reduction in potential reproductive output in the long-term, respectively. We also detected novel interactions between some of the most important drivers, such as an increased probability of next-generation recruitment in species with greater seed production rates, but only when coupled with large founder sizes. Since most significant barriers to plant translocation success can be overcome by improving techniques or resolving site-level issues through early intervention and management, we suggest that by combining long-term monitoring with adaptive management, translocation programs can enhance the prospects of achieving long-term success.
","language":"English","publisher":"Society for Conservation Biology","doi":"10.1111/cobi.14190","usgsCitation":"Bellis, J., Osazuwa-Peters, O.L., Maschinski, J., Keir, M.J., Parsons, E.W., Kaye, T., Kunz, M., Possley, J., Menges, E., Smith, S.A., Roth, D., Brewer, D., Brumback, W.E., Lange, J.J., Niederer, C., Turner-Skoff, J.B., Bontrager, M., Braham, R., Coppoletta, M., Holl, K., Williamson, P., Bell, T.J., Jonas, J., McEachern, K., Robertson, K.L., Birnbaum, S.J., Dattilo, A., Dollard, J.J., Fant, J., Kishida, W., Lesica, P., Link, S.O., Pavlovic, N., Poole, J., Reemts, C.M., Stiling, P., Taylor, D.D., Titus, J.H., Titus, P.J., Adkins, E.D., Chambers, T., Paschke, M.W., Heinman, K.D., and Albrecht, M.A., 2024, Identifying predictors of translocation success in rare plant species: Conservation Biology, v. 38, no. 2, e14190, 14 p., https://doi.org/10.1111/cobi.14190.","productDescription":"e14190, 14 p.","ipdsId":"IP-153276","costCenters":[{"id":651,"text":"Western Ecological Research Center","active":true,"usgs":true}],"links":[{"id":441158,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1111/cobi.14190","text":"Publisher Index Page"},{"id":421815,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"38","issue":"2","noUsgsAuthors":false,"publicationDate":"2023-12-11","publicationStatus":"PW","contributors":{"authors":[{"text":"Bellis, Joe 0000-0003-2787-3736","orcid":"https://orcid.org/0000-0003-2787-3736","contributorId":330756,"corporation":false,"usgs":false,"family":"Bellis","given":"Joe","email":"","affiliations":[{"id":79001,"text":"Missouri Botanical Garden; Center for Plant Conservation","active":true,"usgs":false}],"preferred":false,"id":885817,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Osazuwa-Peters, Oyomoare 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paddlefish and evaluate depth use in a reservoir","interactions":[],"lastModifiedDate":"2024-08-07T16:15:44.408223","indexId":"70256476","displayToPublicDate":"2023-09-26T11:15:03","publicationYear":"2024","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"title":"Using down-scan capabilities from recreational-grade side-scan sonar systems to sample paddlefish and evaluate depth use in a reservoir","docAbstract":"Recreational-grade side-scan sonar (SSS) has only recently been applied to estimate abundance of Paddlefish Polyodon spathula, a large pelagic planktivore, in reservoirs. Current recreational-grade SSS units also have a dedicated down-scan channel, which may be useful for detecting Paddlefish in reservoirs because the range of depths they inhabit. We investigated the utility of down-scan images using SSS data from a previously published study of Paddlefish in Keystone Lake, Oklahoma. Two readers counted Paddlefish and estimated the depth of each fish and the water column. We used proximity functions in a geographic information system to find individual Paddlefish that were common between the readers. We further used proximity functions to identify common fish observed from the SSS survey conducted previously as an aid to compare and refine down-scan estimates. Depth of Paddlefish averaged approximately 7 m, but fish were deeper when water was deeper. Density estimates from down-scan were comparable to side-scan, but only after utilizing the side-scan data to adjust for detection-by-distance in a dual-gear approach. Down-scan data thus appear to be useful for not only estimating density of Paddlefish, but also for incorporating depth use, creating a three-dimensional database of locations that can inform managers of optimal depths for sampling gear (e.g., gill nets), improve monitoring efficiency, and facilitate better management of reservoir populations.
","language":"English","publisher":"Elsevier","doi":"10.1016/j.fishres.2023.106872","usgsCitation":"Long, J.M., Joyce, P., Bruckerhoff, L., Lonsinger, R.C., and Wolfenkoehler, W., 2024, Using down-scan capabilities from recreational-grade side-scan sonar systems to sample paddlefish and evaluate depth use in a reservoir, v. 269, 106872, 8 p., https://doi.org/10.1016/j.fishres.2023.106872.","productDescription":"106872, 8 p.","ipdsId":"IP-155831","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":432362,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Oklahoma","otherGeospatial":"Keystone Lake","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -96.46168930943298,\n 36.327912527967385\n ],\n [\n -96.46168930943298,\n 36.10858643895318\n ],\n [\n -96.21251987229255,\n 36.10858643895318\n ],\n [\n -96.21251987229255,\n 36.327912527967385\n ],\n [\n -96.46168930943298,\n 36.327912527967385\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"269","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Long, James M. 0000-0002-8658-9949 jmlong@usgs.gov","orcid":"https://orcid.org/0000-0002-8658-9949","contributorId":3453,"corporation":false,"usgs":true,"family":"Long","given":"James","email":"jmlong@usgs.gov","middleInitial":"M.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":907548,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Joyce, P.","contributorId":340781,"corporation":false,"usgs":false,"family":"Joyce","given":"P.","email":"","affiliations":[{"id":7249,"text":"Oklahoma State University","active":true,"usgs":false}],"preferred":false,"id":907549,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Bruckerhoff, L.","contributorId":340782,"corporation":false,"usgs":false,"family":"Bruckerhoff","given":"L.","affiliations":[{"id":36630,"text":"Ohio State University","active":true,"usgs":false}],"preferred":false,"id":907550,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Lonsinger, Robert Charles 0000-0002-1040-7299","orcid":"https://orcid.org/0000-0002-1040-7299","contributorId":340524,"corporation":false,"usgs":true,"family":"Lonsinger","given":"Robert","email":"","middleInitial":"Charles","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":907551,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Wolfenkoehler, W.","contributorId":340783,"corporation":false,"usgs":false,"family":"Wolfenkoehler","given":"W.","affiliations":[{"id":7249,"text":"Oklahoma State University","active":true,"usgs":false}],"preferred":false,"id":907552,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70250088,"text":"70250088 - 2024 - Using multiple metal mixture models to predict toxicity of riverine sediment porewater to the benthic life stage of juvenile white sturgeon (Acipenser transmontanus)","interactions":[],"lastModifiedDate":"2024-01-04T14:52:22.03027","indexId":"70250088","displayToPublicDate":"2023-09-26T06:35:14","publicationYear":"2024","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":17090,"text":"Environmental Toxicology & Chemistry","active":true,"publicationSubtype":{"id":10}},"title":"Using multiple metal mixture models to predict toxicity of riverine sediment porewater to the benthic life stage of juvenile white sturgeon (Acipenser transmontanus)","docAbstract":"Five metal mixture dose–response models were used to predict the toxicity of porewater to young sturgeon at areas of interest in the Upper Columbia River (WA, USA/BC, Canada) and to evaluate these models as tools for risk assessments. Dose components of metal mixture models included exposure to free metal ion activities or metal accumulation by biotic ligands or humic acid, and links of dose to response used logistic equations, independent joint action equations, or additive toxicity functions. Laboratory bioassay studies of single metal exposures to juvenile sturgeon, porewater collected in situ in the fast-flowing Upper Columbia River, and metal mixture models were used to evaluate toxicity. The five metal mixture models were very similar in their predictions of adverse response of juvenile sturgeon and in identifying copper (Cu) as the metal responsible for the most toxic conditions. Although the modes of toxic action and the 20% effective concentration values were different among the dose models, predictions of adverse response were consistent among models because all doses were tied to the same biological responses. All models indicated that 56% ± 5% of 122 porewater samples were predicted to have <20% adverse response, 25% ± 5% of samples were predicted to have 20% to 80% adverse response, and 20% ± 4% were predicted to have >80% adverse response in juvenile sturgeon. The approach of combining bioassay toxicity data, compositions of field porewater, and metal mixture models to predict lack of growth and survival of aquatic organisms due to metal toxicity is an important tool that can be integrated with other information (e.g., survey studies of organism populations, life cycle and behavior characteristics, sediment geochemistry, and food sources) to assess risks to aquatic organisms in metal-enriched ecosystems. Environ Toxicol Chem 2023;00:1–12. Published 2023. This article is a U.S. Government work and is in the public domain in the USA.
Extreme winter temperatures govern the northern range limit of black mangroves (Avicennia germinans) in southeastern North America. There is a pressing need for studies that advance our understanding of how extreme cold temperature events affect mangroves near their range limits. However, such events are infrequent and challenging to study at regional scales. Here, we compared the damage to mangroves from extreme freeze events in 2018 and 2021, using local data from sites in USA (Florida, Louisiana, and Texas) and northeastern Mexico (Tamaulipas). In 2018, mangrove damage was concentrated in Louisiana and the upper Texas coast, where minimum temperatures ranged from -4 °C to -7 °C. In 2021, damage from a more severe freeze event was concentrated along the central to northern coasts of Texas, where minimum temperatures ranged from -4 °C to -10 °C. We used regional temperature and vegetation data from these events to quantify temperature thresholds for A. germinans leaf damage. Our results indicate that A. germinans leaf damage is likely to occur when temperatures are between -4 °C and -6 °C. These findings help refine temperature thresholds for A. germinans leaf damage and advance understanding of the effects of extreme freeze events on mangrove range expansion. This information is valuable for anticipating future range dynamics in a warming world.
","language":"English","publisher":"Springer","doi":"10.1007/s12237-023-01279-7","usgsCitation":"Kaalstad, S., Osland, M., Devlin, D.J., Proffitt, C., Feher, L., Armitage, A.R., Day, R., Swanson, K., Anderson, G., Berger, B., Cebrian, J., Cummins, K.L., Dunton, K., Feller, I.C., Fierro-Cabo, A., Flores, E.A., From, A., Hughes, A.R., Kaplan, D.A., Langston, A.K., Martinez, M., Martinez, B., Miller, C., Reaver, N.G., Sanspree, C.R., Snyder, C.M., Stetter, A.P., Thompson, J., and Zamora-Tovar, C., 2024, Temperature thresholds for leaf damage from two extreme freeze events (2018 and 2021) near the northern range limit of black mangroves (Avicennia germinans) in southeastern North America: Estuaries and Coasts, v. 47, p. 292-300, https://doi.org/10.1007/s12237-023-01279-7.","productDescription":"9 p.","startPage":"292","endPage":"300","ipdsId":"IP-149138","costCenters":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"links":[{"id":421750,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","otherGeospatial":"Atlantic Ocean, Gulf of Mexico","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -97.7093082379138,\n 31.07061973414541\n ],\n [\n -97.7093082379138,\n 24.265788006919635\n ],\n [\n -97.09407386291379,\n 24.14554317176828\n ],\n [\n -79.25227698791403,\n 23.98504066162903\n ],\n [\n -80.83430823791386,\n 30.844508558676267\n ],\n [\n -97.7093082379138,\n 31.07061973414541\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"47","noUsgsAuthors":false,"publicationDate":"2023-09-25","publicationStatus":"PW","contributors":{"authors":[{"text":"Kaalstad, Simen","contributorId":328569,"corporation":false,"usgs":false,"family":"Kaalstad","given":"Simen","email":"","affiliations":[{"id":34838,"text":"Texas A&M Corpus Christi","active":true,"usgs":false}],"preferred":false,"id":885719,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Osland, Michael 0000-0001-9902-8692","orcid":"https://orcid.org/0000-0001-9902-8692","contributorId":222814,"corporation":false,"usgs":true,"family":"Osland","given":"Michael","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":885720,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Devlin, Donna J.","contributorId":305364,"corporation":false,"usgs":false,"family":"Devlin","given":"Donna","email":"","middleInitial":"J.","affiliations":[{"id":34838,"text":"Texas A&M Corpus Christi","active":true,"usgs":false}],"preferred":false,"id":885721,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Proffitt, C. 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Randall","contributorId":177827,"corporation":false,"usgs":false,"family":"Hughes","given":"A.","email":"","middleInitial":"Randall","affiliations":[],"preferred":false,"id":885736,"contributorType":{"id":1,"text":"Authors"},"rank":18},{"text":"Kaplan, David A.","contributorId":218915,"corporation":false,"usgs":false,"family":"Kaplan","given":"David","email":"","middleInitial":"A.","affiliations":[{"id":39937,"text":"University of Florida, Gainesville, FL USA","active":true,"usgs":false}],"preferred":false,"id":885737,"contributorType":{"id":1,"text":"Authors"},"rank":19},{"text":"Langston, Amy K.","contributorId":218916,"corporation":false,"usgs":false,"family":"Langston","given":"Amy","email":"","middleInitial":"K.","affiliations":[{"id":39937,"text":"University of Florida, Gainesville, FL USA","active":true,"usgs":false}],"preferred":false,"id":885738,"contributorType":{"id":1,"text":"Authors"},"rank":20},{"text":"Martinez, Melinda 0000-0001-6652-9220","orcid":"https://orcid.org/0000-0001-6652-9220","contributorId":290467,"corporation":false,"usgs":true,"family":"Martinez","given":"Melinda","email":"","affiliations":[{"id":17705,"text":"Wetland and Aquatic Research Center","active":true,"usgs":true}],"preferred":true,"id":885739,"contributorType":{"id":1,"text":"Authors"},"rank":21},{"text":"Martinez, Briana","contributorId":330727,"corporation":false,"usgs":false,"family":"Martinez","given":"Briana","email":"","affiliations":[{"id":78995,"text":"University of Texas Marine Science Institute, Port Aransas, TX, USA","active":true,"usgs":false}],"preferred":false,"id":885740,"contributorType":{"id":1,"text":"Authors"},"rank":22},{"text":"Miller, Christopher J.","contributorId":287682,"corporation":false,"usgs":false,"family":"Miller","given":"Christopher J.","affiliations":[{"id":61624,"text":"Saint Leo University, Saint Leo, FL USA","active":true,"usgs":false}],"preferred":false,"id":885741,"contributorType":{"id":1,"text":"Authors"},"rank":23},{"text":"Reaver, Nathan G.F.","contributorId":328571,"corporation":false,"usgs":false,"family":"Reaver","given":"Nathan","email":"","middleInitial":"G.F.","affiliations":[{"id":36221,"text":"University of Florida","active":true,"usgs":false}],"preferred":false,"id":885742,"contributorType":{"id":1,"text":"Authors"},"rank":24},{"text":"Sanspree, Colt R.","contributorId":274816,"corporation":false,"usgs":false,"family":"Sanspree","given":"Colt","email":"","middleInitial":"R.","affiliations":[{"id":56661,"text":"U.S. Fish and Wildlife Service, Austwell, TX USA","active":true,"usgs":false}],"preferred":false,"id":885743,"contributorType":{"id":1,"text":"Authors"},"rank":25},{"text":"Snyder, Caitlin M.","contributorId":218921,"corporation":false,"usgs":false,"family":"Snyder","given":"Caitlin","email":"","middleInitial":"M.","affiliations":[{"id":39940,"text":"Apalachicola National Estuarine Research Reserve, Eastpoint, FL USA","active":true,"usgs":false}],"preferred":false,"id":885744,"contributorType":{"id":1,"text":"Authors"},"rank":26},{"text":"Stetter, Andrew P.","contributorId":274818,"corporation":false,"usgs":false,"family":"Stetter","given":"Andrew","email":"","middleInitial":"P.","affiliations":[{"id":56661,"text":"U.S. Fish and Wildlife Service, Austwell, TX USA","active":true,"usgs":false}],"preferred":false,"id":885745,"contributorType":{"id":1,"text":"Authors"},"rank":27},{"text":"Thompson, Jamie E.","contributorId":328582,"corporation":false,"usgs":false,"family":"Thompson","given":"Jamie E.","affiliations":[{"id":78411,"text":"Texas A&M University at Galveston","active":true,"usgs":false}],"preferred":false,"id":885746,"contributorType":{"id":1,"text":"Authors"},"rank":28},{"text":"Zamora-Tovar, Carlos","contributorId":328579,"corporation":false,"usgs":false,"family":"Zamora-Tovar","given":"Carlos","email":"","affiliations":[{"id":56648,"text":"Universidad Autónoma de Tamaulipas","active":true,"usgs":false}],"preferred":false,"id":885747,"contributorType":{"id":1,"text":"Authors"},"rank":29}]}} ,{"id":70249372,"text":"70249372 - 2024 - Long-term trends of local bird populations based on monitoring schemes: Are they suitable for justifying management measures?","interactions":[],"lastModifiedDate":"2024-03-26T14:25:25.119235","indexId":"70249372","displayToPublicDate":"2023-09-25T06:47:17","publicationYear":"2024","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2409,"text":"Journal of Ornithology","active":true,"publicationSubtype":{"id":10}},"title":"Long-term trends of local bird populations based on monitoring schemes: Are they suitable for justifying management measures?","docAbstract":"Local biodiversity monitoring is important to assess the effects of global change, but also to evaluate the performance of landscape and wildlife protection, since large-scale assessments may buffer local fluctuations, rare species tend to be underrepresented, and management actions are usually implemented on local scales. We estimated population trends of 58 bird species using open-population N-mixture models based on count data in two localities in southeastern Spain, which have been collected according to a citizen science monitoring program (SACRE, Monitoring Common Breeding Birds in Spain) over 21 and 15 years, respectively. We performed different abundance models for each species and study area, accounting for imperfect detection of individuals in replicated counts. After selecting the best models for each species and study area, empirical Bayes methods were used for estimating abundances, which allowed us to calculate population growth rates (λ) and finally population trends. We also compared the two local population trends and related them with national and European trends, and species functional traits (phenological status, dietary, and habitat specialization characteristics). Our results showed increasing trends for most species, but a weak correlation between populations of the same species from both study areas. In general, local population trends were consistent with the trends observed at national and continental scales, although contrasting patterns exist for several species, mainly with increasing local trends and decreasing Spanish and European trends. Moreover, we found no evidence of a relationship between population trends and species traits. We conclude that using open-population N-mixture models is an appropriate method to estimate population trends, and that citizen science-based monitoring schemes can be a source of data for such analyses. This modeling approach can help managers to assess the effectiveness of their actions at the local level in the context of global change.
Widespread hydrologic alterations have simplified in-stream habitats in rivers globally, driving population declines and extirpations of many native fishes. Here, we examine how rapid geomorphic change in a historically degraded desert river has influenced habitat diversification and ecosystem persistence. In 2010, a large reach of the degraded and simplified lower San Rafael River (SRR), Utah, was impacted by the formation of a valley plug and began to shift from a homogenous, single-thread channel to a complex, multi-threaded riverscape. We combined field measurements and drone-collected imagery to document changes in fish habitat due to the valley plug. Our results demonstrate that in 2021, the affected reach was more diverse than any other stream reach along the SRR, containing 641% more diverse habitat (e.g., pools, riffles, and backwaters) than what was measured in 2015. The plug reach also retained water for periods beyond what was expected during seasonal drying, with the total extent of inundation within the riverscape increasing by over 2800%. Since the formation of the valley plug, riparian habitat has increased by 230% and channel networks have expanded to more than 50 distinct channels throughout the zone of influence. Our results provide evidence of successful self-restoration in a formerly highly degraded reach of desert river, and encourage new methods of desert river restoration. We aim to inform the use of large-scale, disruptive restoration actions like intentional channel occlusions, with the goal of mitigating the impacts of simplification and increasing habitat persistence in the face of exacerbated aridity in the desert Southwest.
","language":"English","publisher":"Wiley","doi":"10.1002/rra.4213","usgsCitation":"Remiszewski, T.T., Budy, P., and Macfarlane, W., 2024, Expansive, positive changes to fish habitat diversity following the formation of a valley plug in a degraded desert river: River Research and Applications, v. 40, no. 1, p. 116-128, https://doi.org/10.1002/rra.4213.","productDescription":"13 p.","startPage":"116","endPage":"128","ipdsId":"IP-147695","costCenters":[{"id":200,"text":"Coop Res Unit Seattle","active":true,"usgs":true}],"links":[{"id":441167,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1002/rra.4213","text":"Publisher Index Page"},{"id":429658,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Utah","otherGeospatial":"San Rafael River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -110.65926854658869,\n 39.15654774664799\n ],\n [\n -110.65926854658869,\n 38.689875846653166\n ],\n [\n -110.09441178024811,\n 38.689875846653166\n ],\n [\n -110.09441178024811,\n 39.15654774664799\n ],\n [\n -110.65926854658869,\n 39.15654774664799\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"40","issue":"1","noUsgsAuthors":false,"publicationDate":"2023-09-22","publicationStatus":"PW","contributors":{"authors":[{"text":"Remiszewski, Tansy T.","contributorId":337428,"corporation":false,"usgs":false,"family":"Remiszewski","given":"Tansy","email":"","middleInitial":"T.","affiliations":[{"id":6682,"text":"Utah State University","active":true,"usgs":false}],"preferred":false,"id":902416,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"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":902417,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Macfarlane, William W.","contributorId":337429,"corporation":false,"usgs":false,"family":"Macfarlane","given":"William W.","affiliations":[{"id":6682,"text":"Utah State University","active":true,"usgs":false}],"preferred":false,"id":902418,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70256460,"text":"70256460 - 2024 - Rates of osmoconformation in triploid eastern oysters, and comparison to their diploid half-siblings","interactions":[],"lastModifiedDate":"2024-08-05T21:54:05.831357","indexId":"70256460","displayToPublicDate":"2023-09-21T16:49:27","publicationYear":"2024","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":853,"text":"Aquaculture","active":true,"publicationSubtype":{"id":10}},"title":"Rates of osmoconformation in triploid eastern oysters, and comparison to their diploid half-siblings","docAbstract":"Triploid eastern oysters (Crassostrea virginica) suffer greater mortalities than diploids in the U.S. Gulf of Mexico estuaries when extreme low salinities (< 5) and elevated temperatures (≥ 28 °C) coincide. To investigate potential causes, changes in plasma osmolality, hemolymph pH, valve opening and mortality in diploid and triploid oyster half-siblings were compared during a step-down gradual acclimation from a salinity of 5 to 1 (5, 2.5, 2.0, 1.5, 1.0) at 23 °C (expt 1) and at 28 °C (expt 2). To further explore differences in diploid and triploid oyster responses to changing salinity, we compared their plasma osmolality after abrupt decreases in salinity from 20 to 10 and 5, followed by increases in salinity from 5 and 10 to 20 once oysters had osmoconformed to the lowered salinities (expt 3). Lastly, changes in wet weights of mantle tissue explants were compared between diploid and triploid oysters every 10 min for 40 min after being transferred from a salinity of 20 to 10 (expt 4). Oysters of both ploidies were able to osmoconform to water at salinities between 5 and 1.5. After a decrease in salinity, triploid oysters were slower to open their valves and osmoconform, were less efficient in maintaining acid-base status enduring longer periods of acidic hemolymph pH, and were less efficient in regulating tissue water content compared to half-sibling diploid oysters. At a salinity of 1.0, plasma of both diploid and triploid oysters remained hyperosmotic, their hemolymph acidic and their valves closed. Oysters osmoconformed faster at 28 °C than at 23 °C, but the combination of low salinity (≤ 1.5) and higher temperature caused rapid mortalities regardless of ploidies. Triploid oysters, however, started dying earlier and at greater percentages when salinity of 1.5 and temperature of 28 °C were combined. Triploids have been embraced as a means to support higher production, but results indicate superimposed stressors, such as low salinity and high temperature, may be more lethal to triploid than diploid oysters.
","language":"English","doi":"10.1016/j.aquaculture.2023.740326","usgsCitation":"Casas, S., Comba, D., La Peyre, M., Rikard, S., and La Peyre, J., 2024, Rates of osmoconformation in triploid eastern oysters, and comparison to their diploid half-siblings: Aquaculture, v. 580, no. Part 2, 740326, 11 p., https://doi.org/10.1016/j.aquaculture.2023.740326.","productDescription":"740326, 11 p.","ipdsId":"IP-156470","costCenters":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"links":[{"id":467056,"rank":0,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://repository.lsu.edu/animalsciences_pubs/2253","text":"Publisher Index Page"},{"id":432235,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"580","issue":"Part 2","noUsgsAuthors":false,"publicationStatus":"PW","contributors":{"authors":[{"text":"Casas, Sandra M.","contributorId":340720,"corporation":false,"usgs":false,"family":"Casas","given":"Sandra M.","affiliations":[{"id":32913,"text":"Louisiana State University Agricultural Center","active":true,"usgs":false}],"preferred":false,"id":907478,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Comba, Devin","contributorId":340721,"corporation":false,"usgs":false,"family":"Comba","given":"Devin","email":"","affiliations":[{"id":32913,"text":"Louisiana State University Agricultural Center","active":true,"usgs":false}],"preferred":false,"id":907479,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"La Peyre, Megan K. 0000-0001-9936-2252","orcid":"https://orcid.org/0000-0001-9936-2252","contributorId":264343,"corporation":false,"usgs":true,"family":"La Peyre","given":"Megan K.","affiliations":[{"id":198,"text":"Coop Res Unit Atlanta","active":true,"usgs":true}],"preferred":true,"id":907480,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Rikard, Scott","contributorId":340722,"corporation":false,"usgs":false,"family":"Rikard","given":"Scott","email":"","affiliations":[{"id":13360,"text":"Auburn University","active":true,"usgs":false}],"preferred":false,"id":907481,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"La Peyre, Jerome F.","contributorId":340723,"corporation":false,"usgs":false,"family":"La Peyre","given":"Jerome F.","affiliations":[{"id":32913,"text":"Louisiana State University Agricultural Center","active":true,"usgs":false}],"preferred":false,"id":907482,"contributorType":{"id":1,"text":"Authors"},"rank":5}]}} ,{"id":70248811,"text":"70248811 - 2024 - Critical stakeholder engagement: The road to actionable science Is paved with scientists’ good intentions","interactions":[],"lastModifiedDate":"2024-01-24T17:48:11.047204","indexId":"70248811","displayToPublicDate":"2023-09-20T08:52:42","publicationYear":"2024","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":5419,"text":"Annals of the American Association of Geographers","active":true,"publicationSubtype":{"id":10}},"title":"Critical stakeholder engagement: The road to actionable science Is paved with scientists’ good intentions","docAbstract":"To help stakeholders such as planners, resource managers, policymakers, and decision makers address environmental challenges in the Anthropocene, scientists are increasingly creating actionable science—science that is useful, usable, and used. Critical physical geography encourages the engagement of stakeholders in the creation of scientific knowledge to conduct actionable science and produce outputs that are directly relevant to stakeholder plans, decisions, or actions. Many scientists, however, lack formal training in how to partner with stakeholders using effective and ethical practices. In this article, we use the core principles for ethical research of respect for persons, beneficence, and justice from the Belmont Report (1979) as a suggested framework to examine the perspectives of stakeholders engaged in climate adaptation science projects. We argue that this framework aligns with the principles of critical physical geography and provides guidance for scientists to make their research more actionable while placing necessary emphasis on ethical considerations. We also challenge scientists to consider the broader ethical implications of engaging with these partners.
","language":"English","publisher":"Taylor & Francis","doi":"10.1080/24694452.2023.2242448","usgsCitation":"Bamzai-Dodson, A., Cravens, A.E., and McPherson, R.A., 2024, Critical stakeholder engagement: The road to actionable science Is paved with scientists’ good intentions: Annals of the American Association of Geographers, v. 114, no. 1, p. 1-20, https://doi.org/10.1080/24694452.2023.2242448.","productDescription":"20 p.","startPage":"1","endPage":"20","ipdsId":"IP-137162","costCenters":[{"id":291,"text":"Fort Collins Science Center","active":true,"usgs":true},{"id":40927,"text":"North Central Climate Adaptation Science Center","active":true,"usgs":true}],"links":[{"id":441170,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"https://doi.org/10.1080/24694452.2023.2242448","text":"Publisher Index Page"},{"id":421071,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"volume":"114","issue":"1","noUsgsAuthors":false,"publicationDate":"2023-09-20","publicationStatus":"PW","contributors":{"authors":[{"text":"Bamzai-Dodson, Aparna 0000-0002-2444-9051","orcid":"https://orcid.org/0000-0002-2444-9051","contributorId":303866,"corporation":false,"usgs":true,"family":"Bamzai-Dodson","given":"Aparna","email":"","affiliations":[{"id":40927,"text":"North Central Climate Adaptation Science Center","active":true,"usgs":true}],"preferred":true,"id":883751,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"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":883752,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"McPherson, Renee A. 0000-0002-1497-9681","orcid":"https://orcid.org/0000-0002-1497-9681","contributorId":266158,"corporation":false,"usgs":false,"family":"McPherson","given":"Renee","email":"","middleInitial":"A.","affiliations":[{"id":7062,"text":"University of Oklahoma","active":true,"usgs":false}],"preferred":false,"id":883753,"contributorType":{"id":1,"text":"Authors"},"rank":3}]}} ,{"id":70251332,"text":"70251332 - 2024 - A nontarget, disturbance-resilient native species influences post-fire recovery and multiphasic herbicide-seeding outcomes in drylands threatened by exotic annual grasses","interactions":[],"lastModifiedDate":"2024-02-07T01:11:18.605296","indexId":"70251332","displayToPublicDate":"2023-09-18T19:08:27","publicationYear":"2024","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":3271,"text":"Restoration Ecology","active":true,"publicationSubtype":{"id":10}},"title":"A nontarget, disturbance-resilient native species influences post-fire recovery and multiphasic herbicide-seeding outcomes in drylands threatened by exotic annual grasses","docAbstract":"Native species that are abundant and persistent across disturbance-succession cycles can affect recovery and restoration of plant communities, especially in drylands. In the sagebrush-steppe deserts of North America, restoring deep-rooted perennial bunchgrasses (DRPBGs) is key to the strategy for breaking an increasingly problematic cycle of wildfire promoted by exotic annual grasses (EAGs) and displacement of perennials by post-fire increases in EAGs. We asked how Sandberg bluegrass (Poa secunda, POSE)—a common native grass that shares traits with EAGs such as resilience to disturbance and rapid, shallow-rooted, early season growth—(1) recovered after wildfire, (2) responded to different combinations of native-plant seedings of DRPBGs and EAG-targeting herbicides; and (3) in turn, related to DRPBG recovery. In repeated sampling of up to approximately 2,000 plots spanning 113,000 burned hectares, POSE was initially more abundant than DRPBGs until POSE began to decline 5 years post-fire, and POSE was marginally affected or unaffected by restoration treatments targeting DRPBGs or EAGs. In comparison, EAG cover decreased 8–16% where preemergent herbicide was sprayed and DRPBG cover increased 3–9% where they were drill-seeded, and the greatest EAG reductions and DRPBG increases were seen where seeding and herbicides were combined in a time-staggered fashion. Treatments had less target effects where POSE cover was high (>18%), which is also where EAG cover was scarcer and DRPBG cover greater, regardless of post-fire interventions. Consideration of the ecological role of disturbance-resilient species with ruderal characteristics that match traits of key invaders may improve the efficiency and effectiveness of restoration interventions.
Survival estimates are critical components of avian ecology. In well-intentioned efforts to maximize the utility of one's research, survival estimates often derive from data that were not originally collected for survival assessments, and such post hoc analyses may include unintentional biases. We estimated the survival of Whimbrels captured and marked at two breeding sites in Alaska using divergent data streams that in isolation were subject to methodological biases. Although both capture sites were chosen to study the migration ecology of Alaska-breeding Whimbrels, maximizing the conservation value of the data we collected was obviously desirable. We used multi-year telemetry information to infer survival from one site (Colville River) and mark-resight techniques to estimate survival from a second site (Kanuti River). At the Colville River, we could not feasibly include a control group of birds to assess potential survival effects of externally mounted transmitters, while at Kanuti River we were unable to accurately account for potential emigration events because we used resightings alone. We integrated these datasets in a Bayesian hierarchical framework, an approach that permitted insights across sites that moderated methodological biases within sites. Using telemetry enabled us to detect permanent emigration events from breeding sites in two of ten birds; results that informed estimates for birds without tracking devices. These datasets yielded point estimates of true survival of Whimbrels from Colville River equipped with solar-powered satellite transmitters that were higher (0.83) than true survival estimates of Whimbrels from Kanuti River marked with leg flags alone (0.74) or equipped with surgically implanted satellite transmitters (0.50), but the 95% credible intervals on these estimates overlapped across groups. For species like Whimbrels that are difficult and costly to study, combining information from disparate data streams allowed us to derive novel demographic estimates, an approach with clear application to other similar studies.
","language":"English","publisher":"Wiley","doi":"10.1111/ibi.13273","usgsCitation":"Ruthrauff, D.R., Harwood, C.M., Tibbitts, T.L., and Patil, V.P., 2024, Disparate data streams together yield novel survival estimates of Alaska-breeding Whimbrels: Ibis, v. 166, no. 2, p. 622-632, https://doi.org/10.1111/ibi.13273.","productDescription":"11 p.","startPage":"622","endPage":"632","ipdsId":"IP-141546","costCenters":[{"id":65299,"text":"Alaska Science Center Ecosystems","active":true,"usgs":true}],"links":[{"id":498851,"rank":2,"type":{"id":40,"text":"Open Access Publisher Index Page"},"url":"http://dx.doi.org/10.1111/ibi.13273","text":"Publisher Index Page"},{"id":420836,"rank":1,"type":{"id":24,"text":"Thumbnail"},"url":"https://pubs.usgs.gov/thumbnails/outside_thumb.jpg"}],"country":"United States","state":"Alaska","otherGeospatial":"Colville River, Kanuti River","geographicExtents":"{\n \"type\": \"FeatureCollection\",\n \"features\": [\n {\n \"type\": \"Feature\",\n \"properties\": {},\n \"geometry\": {\n \"coordinates\": [\n [\n [\n -160.03574093661132,\n 68.75774490548673\n ],\n [\n -160.03574093661132,\n 65.24300636559764\n ],\n [\n -145.19869372665494,\n 65.24300636559764\n ],\n [\n -145.19869372665494,\n 68.75774490548673\n ],\n [\n -160.03574093661132,\n 68.75774490548673\n ]\n ]\n ],\n \"type\": \"Polygon\"\n }\n }\n ]\n}","volume":"166","issue":"2","noUsgsAuthors":false,"publicationDate":"2023-09-21","publicationStatus":"PW","contributors":{"authors":[{"text":"Ruthrauff, Daniel R. 0000-0003-1355-9156 druthrauff@usgs.gov","orcid":"https://orcid.org/0000-0003-1355-9156","contributorId":4181,"corporation":false,"usgs":true,"family":"Ruthrauff","given":"Daniel","email":"druthrauff@usgs.gov","middleInitial":"R.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":true,"id":883058,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Harwood, Christopher M.","contributorId":260398,"corporation":false,"usgs":false,"family":"Harwood","given":"Christopher","email":"","middleInitial":"M.","affiliations":[{"id":52582,"text":"US Fish and Wildlife","active":true,"usgs":false}],"preferred":false,"id":883059,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Tibbitts, T. Lee 0000-0002-0290-7592 ltibbitts@usgs.gov","orcid":"https://orcid.org/0000-0002-0290-7592","contributorId":102185,"corporation":false,"usgs":true,"family":"Tibbitts","given":"T.","email":"ltibbitts@usgs.gov","middleInitial":"Lee","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":883060,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Patil, Vijay P. 0000-0002-9357-194X vpatil@usgs.gov","orcid":"https://orcid.org/0000-0002-9357-194X","contributorId":203676,"corporation":false,"usgs":true,"family":"Patil","given":"Vijay","email":"vpatil@usgs.gov","middleInitial":"P.","affiliations":[{"id":117,"text":"Alaska Science Center Biology WTEB","active":true,"usgs":true}],"preferred":false,"id":883061,"contributorType":{"id":1,"text":"Authors"},"rank":4}]}} ,{"id":70248477,"text":"70248477 - 2024 - Lack of strong responses to the Pacific marine heatwave by benthivorous marine birds indicates importance of trophic drivers","interactions":[],"lastModifiedDate":"2024-06-18T13:54:23.130272","indexId":"70248477","displayToPublicDate":"2023-09-15T09:18:58","publicationYear":"2024","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":2663,"text":"Marine Ecology Progress Series","active":true,"publicationSubtype":{"id":10}},"title":"Lack of strong responses to the Pacific marine heatwave by benthivorous marine birds indicates importance of trophic drivers","docAbstract":"The Pacific marine heatwave (PMH) of 2014-2016 was an intense, long-lasting environmental disturbance expressed throughout the north Pacific. While dramatic consequences of the PMH on pelagic food webs have been well documented, effects on nearshore food webs, i.e., those based on macroalgae primary productivity, benthic invertebrate intermediate consumers, and specialized benthivorous top predators including some marine birds, are not well understood. We conducted summer and winter coastline surveys in two National Parks in the northern Gulf of Alaska from 2006 – 2022. We evaluated changes in abundance of benthivorous marine birds in relation to the heatwave, after accounting for effects of season and region. We also evaluated changes in abundance of nearshore benthic invertebrate prey data to allow specific consideration of a prey-based mechanism for effects of the PMH across food webs. We found that benthivorous marine birds, consisting largely of sea ducks and shorebirds, did not show a strong response to the PMH, unlike significant effects demonstrated by piscivorous birds in pelagic biomes. Unlike extreme reductions in quantity and quality of forage fish documented in other studies, we found that common benthic invertebrate prey abundance remained relatively stable, with only minor increases or decreases, in association with the PMH. Our results support the hypothesis that food availability has a strong mediating effect of the PMH on upper trophic levels across food webs. These findings show how a large-scale environmental perturbation affects biological communities through trophic pathways, provides insight into ecosystem resiliency, and can inform management strategies in the face of persistent climate change.","language":"English","publisher":"Inter-Research Science Publishers","doi":"10.3354/meps14384","usgsCitation":"Robinson, B.H., Coletti, H.A., Ballachey, B., Bodkin, J., Kloecker, K.A., Traiger, S.B., and Esler, D., 2024, Lack of strong responses to the Pacific marine heatwave by benthivorous marine birds indicates importance of trophic drivers: Marine Ecology Progress Series, v. 737, p. 215-226, https://doi.org/10.3354/meps14384.","productDescription":"12 p.","startPage":"215","endPage":"226","ipdsId":"IP-146481","costCenters":[{"id":65299,"text":"Alaska Science Center Ecosystems","active":true,"usgs":true}],"links":[{"id":441175,"rank":3,"type":{"id":40,"text":"Open Access Publisher Index 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0000-0001-8588-7162 brobinson@usgs.gov","orcid":"https://orcid.org/0000-0001-8588-7162","contributorId":191406,"corporation":false,"usgs":true,"family":"Robinson","given":"Brian","email":"brobinson@usgs.gov","middleInitial":"H.","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":883052,"contributorType":{"id":1,"text":"Authors"},"rank":1},{"text":"Coletti, Heather A.","contributorId":187561,"corporation":false,"usgs":false,"family":"Coletti","given":"Heather","email":"","middleInitial":"A.","affiliations":[],"preferred":false,"id":883053,"contributorType":{"id":1,"text":"Authors"},"rank":2},{"text":"Ballachey, Brenda 0000-0003-1855-9171","orcid":"https://orcid.org/0000-0003-1855-9171","contributorId":264735,"corporation":false,"usgs":false,"family":"Ballachey","given":"Brenda","affiliations":[{"id":24583,"text":"former USGS employee","active":true,"usgs":false}],"preferred":false,"id":883054,"contributorType":{"id":1,"text":"Authors"},"rank":3},{"text":"Bodkin, James L. 0000-0003-1641-4438","orcid":"https://orcid.org/0000-0003-1641-4438","contributorId":264733,"corporation":false,"usgs":false,"family":"Bodkin","given":"James L.","affiliations":[{"id":40616,"text":"former USGS PI","active":true,"usgs":false}],"preferred":false,"id":883055,"contributorType":{"id":1,"text":"Authors"},"rank":4},{"text":"Kloecker, Kimberly A. 0000-0002-2461-968X kkloecker@usgs.gov","orcid":"https://orcid.org/0000-0002-2461-968X","contributorId":3442,"corporation":false,"usgs":true,"family":"Kloecker","given":"Kimberly","email":"kkloecker@usgs.gov","middleInitial":"A.","affiliations":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true}],"preferred":true,"id":883056,"contributorType":{"id":1,"text":"Authors"},"rank":5},{"text":"Traiger, Sarah Beth 0000-0002-6222-1445","orcid":"https://orcid.org/0000-0002-6222-1445","contributorId":293218,"corporation":false,"usgs":true,"family":"Traiger","given":"Sarah","email":"","middleInitial":"Beth","affiliations":[{"id":114,"text":"Alaska Science Center","active":true,"usgs":true}],"preferred":true,"id":883152,"contributorType":{"id":1,"text":"Authors"},"rank":6},{"text":"Esler, Daniel 0000-0001-5501-4555 desler@usgs.gov","orcid":"https://orcid.org/0000-0001-5501-4555","contributorId":5465,"corporation":false,"usgs":true,"family":"Esler","given":"Daniel","email":"desler@usgs.gov","affiliations":[{"id":116,"text":"Alaska Science Center Biology MFEB","active":true,"usgs":true},{"id":114,"text":"Alaska Science Center","active":true,"usgs":true},{"id":12437,"text":"Simon Fraser University, Centre for Wildlife Ecology","active":true,"usgs":false}],"preferred":true,"id":883057,"contributorType":{"id":1,"text":"Authors"},"rank":7}]}} ,{"id":70248812,"text":"70248812 - 2024 - Morphological differences between wild and hatchery-reared Bloater (Coregonus hoyi) from Lake Michigan, USA","interactions":[],"lastModifiedDate":"2024-01-24T17:46:51.914558","indexId":"70248812","displayToPublicDate":"2023-09-15T07:03:12","publicationYear":"2024","noYear":false,"publicationType":{"id":2,"text":"Article"},"publicationSubtype":{"id":10,"text":"Journal Article"},"seriesTitle":{"id":1659,"text":"Fisheries Management and Ecology","active":true,"publicationSubtype":{"id":10}},"displayTitle":"Morphological differences between wild and hatchery-reared Bloater (Coregonus hoyi) from Lake Michigan, USA","title":"Morphological differences between wild and hatchery-reared Bloater (Coregonus hoyi) from Lake Michigan, USA","docAbstract":"Coregonines (ciscoes and whitefishes) are economically, ecologically, and culturally important fishes that are distributed throughout the Northern Hemisphere. In the Laurentian Great Lakes, coregonines declined throughout the 19th and 20th centuries, and managers have prioritized their restoration. A key restoration tool is reintroduction via stocking. However, hatchery-reared coregonines can display different morphologies than wild fish, which could affect their fitness. Unfortunately, our understanding of these differences is limited because previous work did not adequately remove allometric effects in morphological analyses. We compared morphologies between wild and hatchery-reared Bloater (Coregonus hoyi) from the same stock using appropriate size corrections. Hatchery-reared fish had shorter heads, shorter dorsal fins, and shallower bodies than wild fish. Moreover, some characters differed across wild fish collections. Our results improve our understanding of how artificial rearing can impact coregonine morphology, and we recommend future studies on what causes these differences and whether they impact fitness.
Brewer’s Sparrow (Spizella breweri), Sagebrush Sparrow (Artemisiospiza nevadensis), and Sage Thrasher (Oreoscoptus montanus)—during May to August 2019 in western Wyoming, USA, to assess whether nest predation risk was additive or compensatory, and whether nest predator removal could comprise a potentially effective management tool. Deer mouse removal did not affect the daily nest survival of songbirds between experimental and control plots, despite a reduction of 68%–85% in deer mouse abundance within treatment areas. Therefore, nest predation in this system likely operated in a compensatory way, in which deer mice that escaped removal, new immigrants, or other species of nest predator maintained similar levels of nest predation risk regardless of the prevalence of a primary predator. We caution that predator removal may not be an effective management tool in systems that lack barriers to predator immigration or have several alternative species of predators, even when a single species typically is responsible for the majority of predation events.
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