Existing Vegetation for the Central Valley of California

Jun 25, 2014 (Last modified Jun 10, 2015)
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Description:
This Existing Vegetation (Eveg) polygon feature class is a CALVEG (Classification and Assessment with LANDSAT of Visible Ecological Groupings) map product from a scale of 1:24,000 to 1:100,000. The geographic extent entails the western portion of CALVEG Zone 1 (North Coast), Ecoregion Sections M242A and 263A. Source imagery for this layer ranges from the year 2000 to 2007. The CALVEG classification system was used for vegetation typing and crosswalked to other classification systems in this database. USGS Land Use / Land Cover Anderson 1 classification system is included in the database to meet national standard requirements. Mapping standards meet requirements of the USDA Forest Service as defined by the FS GIS data dictionary, FGDC Vegetation standards and the FS Existing Vegetation Classification and Mapping Technical Guide. Regional add-ons are retained for crosswalking to the California Wildlife Habitat Relationship System (CWHR). For a description of CALVEG and a data dictionary for codes in this database, go to the Existing Vegetation Layer Description at. For an index of CALVEG zones, go to and select the link called Existing Vegetation Tiles Index. For a CALVEG mapping status by scale and year, go to  and select the "Existing Vegetation Mapping Status by Year, Scale and Project" link.
Data Provided By:
USDA Forest Service - Pacific Southwest Region - Remote Sensing Lab
Content date:
not specified
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not specified
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not specified
Use Constraints:
This product is reproduced from geospatial information prepared by the U.S. Department of Agriculture, Forest Service. By removing the contents of this package or taking receipt of these files via electronic file transfer methods, you understand that the data stored on this media is in draft condition. Represented features may not be in an accurate geographic location. The Forest Service makes no expressed or implied warranty, including warranty of merchantability and fitness, with respect to the character, function, or capabilities of the data or their appropriateness for any user's purposes. The Forest Service reserves the right to correct, update, modify, or replace this geospatial information without notification. For more information, contact the Remote Sensing Lab, 916-640-1256.
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FGDC Standard Metadata XML
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Original Metadata XML
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Dataset Type:
Layer Package
Tags:
modeling
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