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Biogeographic Data Branch
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Sacramento, CA 95811
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California Wetlands Vernal Pool Information

Vernal Pool Reports & Mapping Information

Reports

[PDF] Holland, R.F. 1998. Changes in Great Valley Vernal Pool Distribution from 1989 to 1997 (1.92Mb)
Vernal Pool Report describing the methodology to map vernal pools and evaluate change over time.
Includes a map of the Holland Study Area, and Vernal Pool Density Classes.
[PDF] Keeler-Wolf, T., D.R. Elam, K. Lewis and S.A. Flint. 1998. California Vernal Pool Assessment Preliminary Report (1998) (3.21Mb)
A summary of the current statewide body of knowledge for vernal pools. The vernal pool regions identified in the report accentuate the variety of distinct natural resources encompassed in California vernal pools: the rare and endemic plants and animals, the variety of vernal pool types, and the relationship of geography to these factors. Division of the state into vernal pool regions can also enable us to understand the widely varying management concerns for the state's pools.

[ZIP] California Central Valley Vernal Pool Habitat GIS Data (7.2Mb)
Vernal Pool Report describing the methodology to map vernal pools and evaluate change over time.
ArcInfo coverage and map of California Central Valley Vernal Pool Habitat polygons 40 acres or larger, with qualitative attributes.
[ZIP] California Central Valley Wetlands and Riparian GIS Data Sets (163Mb)
Raster data set of wetlands, riparian woody areas, and surrounding landcover in three key regions: 1) the Sacramento Valley, 2) the San Francisco Bay/Delta, and 3) the San Joaquin Valley. Developed to support cooperative conservation planning and wetland resource protection efforts of state, federal, and local agencies and private organizations. Landsat Thematic Mapper satellite imagery was processed to map land cover classes from three broad categories: wetlands, agriculture, and uplands.