Publisher: USGS | Science Center: Forest and Rangeland Ecosystem Science Center (FRESC, Corvallis) | Format: URL
srfs.wr.usgs.gov — The Snake River Birds of Prey National Conservation Area (NCA) has undergone massive habitat changes since 1980. Occupancy and productivity data have been collected at all eagle territories in the NCA since 1971, providing a wealth of background information. This issue overview continues the long-term assessments of territory occupancy and More...
Publisher: California Information Node | Format: URL
cain.nbii.gov — The California Information Node provides access to data and information about California's environment. Among the topics covered are: invasive species, resource management, conservation, restoration, plants, animals, watersheds and policies. Images, maps and spatial data are also provided. Links to biological issues, biological disciplines, More...