Link to view Critical Watersheds data in LandScope map viewer (or select "Access", then "Web Links"). This GIS layer shows areas where NatureServe's rarity-weighted richness (RWR) analysis of imperiled and critically imperiled species has identified hot-spots, or high-priority locations. Click on "map key and credits" button in LandScope to view metadata.
Link to Arizona's HabiMap, a map viewer that displays GIS layers relevant to wildlife in Arizona. For example, there are GIS layers showing vertebrate species distributions, wildlife stressors, and wildlife habitat linkages. Habimap is one of the state Crucial Habitat Assessment Tools (CHATs) supported by an initiative of the Western Governors' Wildlife Council.
Link to the current list of map services offered through the USGS GAP website. The list includes land cover data, protected area data and ancillary data (e.g. elevation and hydrography).