Geospatial Technology Activities at the Western Ecological Research Center

The USGS Biological Resources Division uses geospatial technologies for biological applications. Through the use of geospatial technologies, remotely sensed data, and dynamic spatial models, scientists analyze current habitat conditions to understand changing environmental effects on the biological resources of the Nation. The topics listed below provide links to geospatial technology activities at the Western Ecological Research Center.

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Geospatial Activities at the Western Ecological Research Center

• Morning Dove Habitat Change
• Restoration of the Cullinan Ranch to Tidal Salt Marsh
• Giant Garter Snake
• Snowgoose migration
• Restoration of the Knapp Unit of the San Francisco Bay National Wildlife Refuge
• Mapping spatial distrubution, magnitude and intensity of erosional processes through time with aerial photography
• Vegetation mapping of Sequoia & Kings Canyon National Park
• Status and distribution of rare mammals in Yosemite National Park
• Fire ecology - determining presettlement forest structure, composition, and fuels in the Sierra Nevada
• Home range mapping of Tule Elk at Point Reyes National Seashore
• Waterbird Use of Harvested Rice Fields in the Sacramento Valley
• Population Viability of the San Pablo Song Sparrow in the North San Francisco Bay
• Habitat use and movements of Northern Pintails wintering in the Suisun Marsh, California
• Determining spring migration routes and breeding area of Tule Greater White-fronted geese.
• Mountain lion ingress in Yosemite Valley
• Population biology study of translocated Washington sea otters using radiotelemetry
• Spatial relationships between sea otter distribution and abundance and various habitat parameters along the central California coast