Washington's State Wildlife Action Plan (SWAP, 2015) is a comprehensive plan for conserving the state's fish and wildlife and the natural habitats on which they depend. It is part of a nationwide effort by all 50 states and five U.S. territories to develop conservation action plans and participate in the State and Tribal Wildlife Grants (SWG) Program. These data layers represent both the observed species range, as well as, the modeled potential species range for Species of Greatest Conservation Need (SGCN), as identified in Washington’s State Wildlife Action Plan, 2015.  Species range is defined as the geographic area, in which a species regularly occurs within Washington, including areas used for breeding as well as important distinct foraging, wintering, or migration areas, where appropriate. Range does not include accidental, infrequent, or peripheral areas that are disconnected from the regularly occurring area or wintering or migration areas that are generally broad and nonspecific. SWAP SGCN species ranges (observed and potential) are spatially represented, using USGS watershed boundaries (USGS hydrologic units - HUCS) at various scales.   Potential suitable habitat distribution data for each of the SCGN species was derived from “Ecological Systems” data.   Ecological Systems were developed by NatureServe to provide a mid-scale ecological classification, for uplands and wetlands, useful for conservation and environmental planning. The Washington State SWAP data is organized as a collection of individual species ranges (observed and potential range polygons), as well as, potential habitat distribution raster files - that have been compressed (into a ZIP files) for download. No map services exist for these data at this time.  

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