Filters: Tags: Biodiversity and Ecosystems Theme (X) > Types: OGC WFS Layer (X)

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U.S. Geological Survey - Gap Analysis Project Species Range Maps CONUS_2001 GAP species range data are coarse representations of the total areal extent a species occupies, in other words the geographic limits within which a species can be found (Morrison and Hall 2002). These data provide the geographic extent within which the USGS Gap Analysis Project delineates areas of suitable habitat for terrestrial vertebrate species in their species' habitat maps. The range maps are created by attributing a vector file derived from the 12-digit Hydrologic Unit Dataset (USDA NRCS 2009). Modifications to that dataset are described here. Attribution of the season range for each species was based on the literature and online sources (See Cross Reference section of the metadata). Attribution for each... Categories: Data; Types: Citation, Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Biodiversity and Ecosystems Theme, NDGA, National Geospatial Data Asset, USGS Science Data Catalog (SDC), United States, All tags... biodiversity, biota, conservation, gap analysis, species distribution, wildlife biology, Fewer tags U.S. Geological Survey - Gap Analysis Project Species Habitat Maps CONUS_2001 Gap Analysis Project (GAP) habitat maps are predictions of the spatial distribution of suitable environmental and land cover conditions within the United States for individual species. Mapped areas represent places where the environment is suitable for the species to occur (i.e. suitable to support one or more life history requirements for breeding, resting, or foraging), while areas not included in the map are those predicted to be unsuitable for the species. While the actual distributions of many species are likely to be habitat limited, suitable habitat will not always be occupied because of population dynamics and species interactions. Furthermore, these maps correspond to midscale characterizations of landscapes,... Categories: Data, Map; Types: Map Service, OGC WFS Layer, OGC WMS Layer, OGC WMS Service; Tags: Biodiversity and Ecosystems Theme, NGDA, National Geospatial Data Asset, USGS Science Data Catalog (SDC), United States, All tags... biodiversity, biota, conservation, gap analysis, species distribution, wildlife biology, Fewer tags