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Location Folder Show Tree ROOT _ScienceBase Catalog __USGS Western Ecological Research Center ___Western Ecological Research Center Approved Data Releases Additional Mapping Tools for Great Basin Wildfire and Conifer Management to Increase Operational Resilience: Integrating Sagebrush Ecosystem and Sage-grouse Response Annual California Sea Otter Census - 2015 Spring Census Summary Annual California Sea Otter Census - 2016 Spring Census Summary Annual California Sea Otter Census - 2017 Spring Census Summary Annual California Sea Otter Census - 2018 Spring Census Summary More... Filters Date Range Past year (4) Past month (2) Past week (1) Past day (0) Custom range... To   Search Extensions Shapefile (4) Raster (2) Types Downloadable (6) Map Service (6) OGC WFS Layer (4) OGC WMS Layer (4) Shapefile (4) GeoTIFF (2) Raster (2) Contacts Western Ecological Research Center Peter S Coates U.S. Geological Survey - ScienceBase Ecosystems U.S. Geological Survey, Western Ecological Research Center More... Tag Types Theme (12) Place (12) USGS Scientific Topic Keyword (11) Harvest Set (12) Tag Schemes None (11) USGS Thesaurus (11) ISO 19115 Topic Category (12) Common geographic areas (2) USGS (1) View Results as: JSON ATOM CSV Browse Folder

Microhabitat Characteristics Influencing Sage-Grouse Nest Site Selection and Survival, Nevada and California (2012-2017) We examined nest survival of Greater Sage-grouse (Centrocercus urophasianus; hereafter, sage-grouse) in relation to fine-scale habitat patterns that influenced nest site selection, using data from nests of telemetered females at 17 sites across 6 years in Nevada and northeastern California, USA. Importantly, sites spanned mesic and xeric average precipitation conditions and concomitant vegetation community structure across cold desert ecosystems of the North American Great Basin. Vegetative cover immediately surrounding sage-grouse nests was important for both nest site selection and nest survival, but responses varied between mesic and xeric sites. For example, while taller perennial grass was selected at xeric... Categories: Data; Tags: California, Ecology, Nevada, USGS Science Data Catalog (SDC), Wildlife Biology, All tags... biota, ecosystems, shrubland ecosystems, vegetation, western United States, Fewer tags Selection and Survival of Greater Sage-Grouse Broods in Mesic Areas of Long Valley, California (2003 - 2018) We evaluated brood-rearing habitat selection and brood survival of greater sage-grouse (Centrocercus urophasianus; hereafter, sage-grouse) in Long Valley, California, an area where the water rights are primarily owned by the city of Los Angeles and water is used locally to irrigate for livestock. This area thus represents a unique balance between the needs of wildlife and people that could increasingly define future water management. In this study, sage-grouse broods moved closer to the edge of mesic areas and used more interior areas during the late brood-rearing period, selecting for greener areas after 1 July. Mesic areas were particularly important during dry years, with broods using areas farther interior than... Categories: Data; Tags: Bistate, California, Ecology, Land Use Change, Long Valley, All tags... USGS Science Data Catalog (SDC), United States of America, Water Resources, Wildlife Biology, biota, ecology, human impacts, land use change, native species, water resource management, water supply and demand, Fewer tags Greater Sage-Grouse Nest Observations Before and After Wildfire Disturbance in Northeastern California (2007-2018) We monitored Greater Sage-Grouse (Centrocercus urophasianus; hereafter, Sage-Grouse) nests and various habitat characteristics at the nest locations near Susanville in northeastern California, crossing over into northwestern Nevada. We employed a before-after-control-impact (BACI) experimental design to account for spatiotemporal heterogeneity in the system and to derive estimates of relative change in survival parameters. Sage-Grouse nest survival decreased after the Rush Fire but decreased more in the burned area relative to the unburned area. Although female Sage-Grouse continued to occupy burned areas, nest survival was reduced from 52 percent to 19 percent. Using a BACI ratio approach we found that nest survival... Categories: Data; Tags: California, Ecology, Environmental Health, Susanville, USGS Science Data Catalog (SDC), All tags... Western U.S., Wildlife Biology, biota, ecology, environment, fires, habitat alteration and disturbance, herbivores, human impacts, native species, shrubland ecosystems, Fewer tags Fuel Break Treatments in the Sagebrush Biome of the Western United States, 1953 - 2018 To better inform fuel break planning and assessment, we developed a comprehensive spatial database of known existing fuel breaks from 1953 to 2018 throughout the western United States. Each fuel break is represented as a polygon in the database and is attributed with the date of installation, the treatment type employed, and the data source. The availability of these data promotes the development of a monitoring framework to track the maintenance and longevity of different treatment types, as well as record the use, conditions, and outcomes of suppression activities at specific fuel break locations. The data also facilitate the quantification of important temporally varying qualities that may influence suppression,... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Ecology, Great Basin, Land Use Change, USGS Science Data Catalog (SDC), biota, All tags... ecology, fires, fuel breaks, fuels, habitat alteration and disturbance, human impacts, invasive annual grass, invasive species, land use change, sagebrush ecosystems, shrubland ecosystems, western United States, wildfire, wildfire suppression, Fewer tags Data from: Broad-scale occurrence of a subsidized avian predator: reducing impacts of ravens on sage-grouse and other sensitive prey Expanding human enterprise across remote environments impacts many wildlife species, including sage-grouse (Centrocercus urophasianus), an indicator species whose decline is at the center of national conservation strategies and land use policies. Anthropogenic resources provide subsidies for generalist predators, potentially leading to cascading effects on sensitive prey species at lower trophic levels. In semi-arid western ecosystems, common ravens (Corvus corax) are expanding in distribution and abundance, and may be negatively affecting sage-grouse reproductive success at broad spatial scales. Ravens are a common predator of sage-grouse nests, and potentially prey on chicks as well. This research aimed to address... Categories: Data; Tags: Great Basin, USGS Science Data Catalog (SDC), Wildlife Biology, biota, geographic information systems (GIS), All tags... geospatial analysis, habitat alteration, human impacts, occupancy model, predator-prey interactions, sensitive prey, shrublands, wildlife, Fewer tags Data to Inform an Integrated Population Model of Translocated Columbian Sharp-Tailed Grouse, Nevada 2013 - 2017 These data include encounter histories, nest attempts, hatched egg counts, brood counts, time-varying matrices, survival statistics, and lek counts, all used in an integrated population model (IPM) to determine the status of a population of translocated Columbian sharp-tailed grouse (Tympanuchus phasianellus columbianus; CSTG) in Nevada. Sharp-tailed grouse were translocated to a remote site in Nevada starting in 2013 through 2017. These data support the following publication: Mathews, S.R., ​Coates, P.S., Prochazka, B.G., Espinosa, S.P., and Delehanty, D.J., 2021, Offspring of translocated individuals drive the successful reintroduction of Columbian Sharp-tailed Grouse in Nevada, USA, Ornithological Applications,... Categories: Data; Tags: Columbian sharp-tailed grouse, Nevada, USGS Science Data Catalog (SDC), Wildlife Biology, biota, All tags... translocation, wildlife, wildlife population management, Fewer tags Communication Towers across the Greater Sage-Grouse Range We compiled and verified a dataset which represents a comprehensive inventory of communication tower infrastructure across the range of the greater sage-grouse (Centrocercus urophasianus) from 1990 to 2023. Our dataset is an annual spatial time series product that allows users to visualize, assess, and analyze tower locations and duration (i.e., including date of construction through date of dismantlement) on western landscapes within the sagebrush ecosystem. Tower data were acquired from four publicly available infrastructure databases, data records were filtered to only include communication tower structures within the spatial extent of interest. Data records were then validated and checked for accuracy using... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, Colorado, Ecology, Idaho, Montana, All tags... Nevada, North Dakota, Oregon, South Dakota, USGS Science Data Catalog (SDC), Utah, Washington, Wildlife Biology, Wyoming, biota, human impacts, land use and land cover, land use change, Fewer tags Trends and a Targeted Annual Warning System for Greater Sage-Grouse in the Western United States (ver. 3.0, February 2024) Greater sage-grouse (Centrocercus urophasianus) are at the center of state and national land use policies largely because of their unique life-history traits as an ecological indicator for health of sagebrush ecosystems. These data represent an updated population trend analysis and Targeted Annual Warning System (TAWS) for state and federal land and wildlife managers to use best available science to help guide current management and conservation plans aimed at benefitting sage-grouse populations range-wide. This analysis relied on previously published population trend modeling methodology from Coates and others (2021, 2022) and includes population lek count data from 1960-2023. Bayesian state-space models estimated... Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, Colorado, Idaho, Montana, Nevada, All tags... North Dakota, Oregon, South Dakota, USGS Science Data Catalog (SDC), Utah, Washington, Wyoming, adaptive management, biota, ecology, human impacts, long-term ecological monitoring, shrubland ecosystems, targeted monitoring, triggers, warning system, western United States, Fewer tags Greater Sage-Grouse Abundance in Sagebrush Focal Areas near Critical Mineral Resources We quantified the relative abundance of greater sage-grouse (Centrocercus urophasianus) populations within Bureau of Land Management (BLM) Sagebrush Focal Areas (SFAs). Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Ecology, Economic Geology, Idaho, Land Use Change, Mineral Resources, All tags... Montana, Nevada, Oregon, USGS Science Data Catalog (SDC), Utah, Wildlife Biology, Wyoming, biota, environment, habitat alteration and disturbance, human impacts, land use change, long-term ecological monitoring, metallic mineral resources, mineral resources, native species, shrubland ecosystems, western United States, Fewer tags Raven Occurrence and Density in the Great Basin Region of the Western United States (2007-2019) We generated a spatially explicit map of categories of expected occurrence and density associated with predicted concentrations of resident and transient common ravens (Corvus corax; ravens) using the residuals from a generalized linear regression between the occurrence and density parameters. These data support the following publication: Webster, S.C., O'Neil, S.T., Brussee, B.E., Coates, P.S., Jackson, P.J., Tull, J.C. and Delehanty, D.J., 2021. Spatial modeling of common raven density and occurrence helps guide landscape management within Great Basin sagebrush ecosystems. Human–Wildlife Interactions, 15(3), p.10. https://doi.org/10.26077/djza-3976. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: California, Colorado, Great Basin, Idaho, Montana, All tags... Nevada, Oregon, USGS Science Data Catalog (SDC), Utah, Wildlife Biology, Wyoming, biota, density, occurrence, predator-prey, space use, species distribution models, transients, wildlife, Fewer tags Greater Sage-Grouse Adult and Nest Observations Before and After Wildfire in Northwest Nevada (2008-2019) Wildfire events are becoming more frequent and severe on a global scale. Rising temperatures, prolonged drought, and the presence of pyrophytic invasive grasses are contributing to the degradation of native vegetation communities. Within the Great Basin region of the Western United States, increasing wildfire frequency is transforming the ecosystem toward a higher degree of homogeneity, one dominated by invasive annual grasses and declining landscape productivity. Greater sage-grouse (Centrocercus urophasianus; hereafter sage-grouse) are a species of conservation concern that rely on large tracts of structurally and functionally diverse sagebrush (Artemisia spp.) communities. Using a 12-year (2008-2019) telemetry... Categories: Data; Tags: Climatology, Ecology, Great Basin, Land Use Change, Nevada, All tags... USGS Science Data Catalog (SDC), Wildlife Biology, biota, ecology, fires, habitat alteration and disturbance, shrubland ecosystems, vegetation, western United States, Fewer tags Median Estimates of Impact Potential from Geothermal Energy Production Activities on Greater Sage-Grouse Populations in Nevada and California (2022) These data are the result of an intersection between a surface representing the delta-finite rate of population change and another surface representing Greater Sage-grouse abundance and space-use. It was used to rank candidate sites according to greatest potential impact to Greater Sage-grouse populations resulting from the presence of geothermal energy activity. In 2022, candidate geothermal sites were identified in Nevada and eastern California, then buffered by 10 kilometers. While the extent of the overall raster layer encompasses a very large swath of the western US, data values are limited to fall within these 10 kilometer buffers. These data support the following publications: Coates, P.S., Prochazka, B.G.,... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: California, Ecology, Great Basin, Nevada, USGS Science Data Catalog (SDC), All tags... Wildlife Biology, before-after-control-impact, biota, decision support tool, habitat alteration and disturbance, human impacts, land use change, native species, sagebrush ecosystem, shrubland ecosystems, state space model, survival analysis, western United States, Fewer tags