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Vernal Pools in California, 2012

Dates

Time Period
2012

Citation

Carol W. Witham, Robert F. Holland, and John Vollmar, VernalPools2012: : Sacramento, CA.

Summary

This mapping documents the changes in extent and condition of vernal pool habitat in the Great Valley between 2005 and 2012. "Vernal pool habitat" is defined as vernal pools and the surrounding upland (typically grassland) habitat matrix. The 2005 basemap was created by using double-blind mapping protocol and included 21.4 million acres in and surrounding the Sacramento and San Joaquin valleys (Witham et al 2013). The area included in the 2012 remapping effort focused on the 807,820 acres identified in the 2005 map and areas immediately surrounding the previously mapped polygons. Special attention was paid to areas where habitat was being created through mitigation banking. The result of the 2012 remapping shows 764,868 acres of extant [...]

Contacts

Point of Contact :
Carol W. Witham
Metadata Contact :
Carol W. Witham
Originator :
Carol W. Witham, Robert F. Holland, John Vollmar

Attached Files

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VernalPools_2012_WM.shp.xml
Original FGDC Metadata

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15.19 KB
Shapefile: VernalPools_2012.zip
VernalPools_2012.dbf 907.46 KB
VernalPools_2012.prj 468 Bytes
VernalPools_2012.sbn 24.09 KB
VernalPools_2012.sbx 1.14 KB
VernalPools_2012.shp 1.28 MB
VernalPools_2012.shp.xml
Original FGDC Metadata

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15.02 KB
VernalPools_2012.shx 19.29 KB
Extension: VernalPool.zip
VernalPool.sd 1.36 MB
thumbnail.png thumbnail 1.97 KB

Purpose

Map showing the distribution of vernal pool habitat in the Great Valley (California) as of 2012. It also analyzes losses since 2005 and contains information on vernal pool habitat that is protected.
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Map

Spatial Services

ArcGIS Mapping Service

WMS Service

ScienceBase WMS

ScienceBase WFS

Communities

  • Pacific Southwest Region, Region 8
  • U.S. Fish and Wildlife Service

Tags

Provenance

Data source
Input directly
Carol W. Witham, Robert F. Holland, and John Vollmar,

Additional Information

Citation Extension

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