California's Biology
Regional Approach
- Sierra Nevada Ecosystem Project Data Bank and Mapping Service (SNEP)
- Salton Sea Database Program
- California Vegetation Map Catalog
- University of California, Davis Natural Reserve System
- CERES: Information by Geographic Region
- Napa Vegetation Map
- San Francisco Estuary and Watershed Science e-journal
- Species in Biosphere Reserves Worldwide
- ICE MAPS Interactive Natural Resources Query System
