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Folders: ROOT > ScienceBase Catalog > US Fish and Wildlife Service (USFWS) ( Show direct descendants )
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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...
Categories: Data,
Publication;
Types: ArcGIS REST Map Service,
ArcGIS Service Definition,
Citation,
Downloadable,
Map Service,
OGC WFS Layer,
OGC WMS Layer,
Shapefile;
Tags: California,
Great Valley,
Hogwallows,
Sacramento Valley,
San Joaquin Valley,
Vegetation and land cover data for Ellicott Slough NWR. This dataset was generated through interpretation of high resolution (1m spatial resolution) aerial photography from the National Agricultural Imagery Program (NAIP) , acquired in the summer of 2009. Field sampling was conducted in March 2010 to inform the interpretation process, but no formal classifcation accuracy assessment was conducted.
Categories: Data,
Publication;
Types: ArcGIS REST Map Service,
ArcGIS Service Definition,
Citation,
Downloadable,
Map Service;
Tags: CA,
ELS,
Ellicott Slough NWR,
habitat,
land cover,
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