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Composite Habitat Suitability Index Raster Dataset This raster represents a continuous surface of sage-grouse habitat suitability index (HSI) values for northeastern California. HSIs were calculated for spring (mid-March to June), summer (July to mid-October), and winter (November to March) sage-grouse seasons, and then multiplied together to create this composite dataset. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: California, Great Basin, Greater Sage-Grouse, Habitat, Nevada, All tags... North America, Sagebrush Ecosystem Council, United States, biota, boundaries, environment, Fewer tags Winter Season Habitat Categories Shapefile This shapefile represents habitat suitability categories (High, Moderate, Low, and Non-Habitat) derived from a composite, continuous surface of sage-grouse habitat suitability index (HSI) values for northeastern California during the winter season (November to March), and is a surrogate for habitat conditions during periods of cold and snow. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, Great Basin, Greater sage-grouse, Habitat, Nevada, All tags... North America, Sagebrush Ecosystem Council, United States, biota, boundaries, environment, Fewer tags Summer Season Habitat Suitability Index Raster Dataset This raster represents a continuous surface of sage-grouse habitat suitability index (HSI) values for northeastern California during summer (July to mid-October), which is a surrogate for habitat conditions during the sage-grouse brood-rearing period. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: California, Great Basin, Greater Sage-Grouse, Habitat, Nevada, All tags... North America, Sagebrush Ecosystem Council, United States, biota, boundaries, environment, Fewer tags Composite Management Categories Shapefile This shapefile represents proposed management categories (Core, Priority, General, and Non-Habitat) derived from the intersection of habitat suitability categories and lek space use. Habitat suitability categories were derived from a composite, continuous surface of sage-grouse habitat suitability index (HSI) values for northeastern California formed from the multiplicative product of the spring (mid-March to June), summer (July to mid-Octoer), and winter (November to March) HSI surfaces. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, Great Basin, Greater Sage-Grouse, Habitat, Nevada, All tags... North America, Sagebrush Ecosystem Council, United States, biota, boundaries, environment, Fewer tags Coastal California Gnatcatcher Habitat Suitability Model for Southern California (2015) This habitat model was developed to delineate a sampling frame for regional monitoring of coastal California gnatcatchers (Polioptila californica californica) to determine: 1) percent area occupied (PAO) in high and very high suitability habitat across conserved lands and participating military lands in the U.S. range in southern California; 2) changes in PAO over time; and 3) extinction and colonization rates. One purpose of the model is to identify areas recovering from disturbance, such as wildfire, that may not currently support coastal sage scrub vegetation used by coastal California gnatcatchers, but are otherwise highly suitable. In this way, we can monitor gnatcatcher occupancy associated with habitat changes... Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: California, Life sciences, Los Angeles County, Orange County, Partitioned Mahalanobis D2, All tags... Polipotila californica californica, Riverside County, San Bernardino County, San Diego County, USGS Science Data Catalog (SDC), Ventura County, Wildlife Biology, biota, coastal California gnatcatcher, endangered species, geospatial analysis, habitat, landscape modeling, multivariate statistical analysis, native species, niche modeling, shrubland ecosystems, species distribution models, statistical analysis, wildlife, Fewer tags Spring Season Habitat Suitability Index Raster Dataset This raster represents a continuous surface of sage-grouse habitat suitability index (HSI) values for northeastern California during spring (mid-March to June), which is a surrogate for habitat conditions during the sage-grouse breeding and nesting period. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: California, Great Basin, Greater Sage-Grouse, Habitat, Nevada, All tags... North America, Sagebrush Ecosystem Council, United States, biota, boundaries, environment, Fewer tags Winter Season Habitat Suitability Index Raster Dataset This raster represents a continuous surface of sage-grouse habitat suitability index (HSI) values for northeastern California during the winter season (November to March), and is a surrogate for habitat conditions during periods of cold and snow. Categories: Data; Types: Downloadable, GeoTIFF, Map Service, Raster; Tags: California, Great Basin, Greater Sage-Grouse, Habitat, Nevada, All tags... North America, Sagebrush Ecosystem Council, United States, biota, boundaries, environment, Fewer tags Spring Season Habitat Categories Shapefile This shapefile represents proposed management categories (Core, Priority, General, and Non-Habitat) derived from the intersection of habitat suitability categories and lek space use. Habitat suitability categories were derived from a composite, continuous surface of sage-grouse habitat suitability index (HSI) values for northeastern California formed from the multiplicative product of the spring (mid-March to June), summer (July to mid-October), and winter (November to March) HSI surfaces. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, Great Basin, Greater Sage-Grouse, Habitat, Nevada, All tags... North America, Sagebrush Ecosystem Council, United States, biota, boundaries, environment, Fewer tags Composite Habitat Categories Shapfile This shapefile represents habitat suitability categories (High, Moderate, Low, and Non-Habitat) derived from a composite, continuous surface of sage-grouse habitat suitability index (HSI) values for northeastern California formed from the multiplicative product of the spring (mid-March to June), summer (July to mid-October), and winter (November to March) HSI surfaces. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, Great Basin, Greater sage-grouse, Habitat, Nevada, All tags... North America, Sagebrush Ecosystem Council, United States, biota, boundaries, environment, Fewer tags Summer Season Habitat Categories Shapefile This shapefile represents habitat suitability categories (High, Moderate, Low, and Non-Habitat) derived from a composite, continuous surface of sage-grouse habitat suitability index (HSI) values for northeastern California during summer (July to mid-October)¸ which is a surrogate for habitat conditions during the sage-grouse brood-rearing period. Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: California, Great Basin, Greater sage-grouse, Habitat, Nevada, All tags... North America, Sagebrush Ecosystem Council, United States, biota, boundaries, environment, Fewer tags Data for projected impacts of climate, urbanization, water management, and wetland restoration on waterbird habitat in California’s Central Valley The Central Valley of California is one of the most important regions for wintering waterbirds in North America despite extensive anthropogenic landscape modification and decline of historical wetlands there. Like many other mediterranean-climate ecosystems across the globe, the Central Valley has been subject to a burgeoning human population and expansion and intensification of agricultural and urban development that have impacted wildlife habitats. Future effects of urban development, changes in water supply management, and precipitation and air temperature related to global climate change on area of waterbird habitat in the Central Valley are uncertain, yet potentially substantial. Therefore, we modeled area... Categories: Data; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Central Valley, California, Climate Change, USGS Science Data Catalog (SDC), cropland, habitat, All tags... urbanization, water availability, water management, waterbirds, wetland, wetland restoration, Fewer tags Least Bell's Vireo Habitat Suitability Model for California (2019) This habitat model was developed to identify suitable habitat for the federally-endangered least Bell’s vireo (Vireo bellii pusillus) across its current and historic range in California. The vireo disappeared from most of its range by the 1980s, remaining only in small populations in southern California. Habitat protection and management since the mid-1980s has led to an increase in southern California vireo populations with small numbers of birds recently expanding into the historic range. Predictions from this model will be used to focus surveys in the historic range to determine where vireos are recolonizing and to track the status and distribution of populations over time. We used the Partitioned Mahalanobis... Categories: Data; Types: ArcGIS REST Map Service, ArcGIS Service Definition, Downloadable, Map Service; Tags: California, Least Bell's vireo, Life sciences, USGS Science Data Catalog (SDC), Vireo bellii pusillus, All tags... Wildlife Biology, biota, endangered species, environment, geospatial analysis, habitat, landscape modeling, multivariate statistical analysis, native species, niche modeling, partitioned Mahalanobis D2, shrubland ecosystems, species distribution models, statistical analysis, wildlife, Fewer tags