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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 764,868 acres of extant habitat. This is down from 2005, a net reduction of 42,952 acres. Habitat actually was eliminated from 47,306 acres, but these losses were partially off-set by 1,679 acres of mitigation banks built since 2005, and by 2,675 acres that we missed in the 2005 mapping. In the seven years since the Recovery Plan was adopted, some 6,758 acres per year on average have been lost. (Link to Report and GIS Data) - <\/SPAN>http://www.vernalpools.org/<\/SPAN><\/A><\/P><\/DIV><\/DIV><\/DIV>", "units": "esriFeet", "maxViewsCount": 20, "syncEnabled": false, "tables": [], "hasVersionedData": false, "supportedAppendSourceFilterFormats": "featureService", "hasViews": false, "layerOverridesEnabled": true, "supportsRelationshipsResource": true, "layers": [ { "name": "ds1070", "id": 12, "type": "Feature Layer", "geometryType": "esriGeometryPolygon", "serviceItemId": "235629015ae64a5fadba20c1cf91965b" } ], "GUIDFormat": "O", "spatialReference": { "latestWkid": 6420, "wkid": 103005 }, "fullExtent": { "ymin": 1241311.549849227, "xmin": 5989696.133565977, "ymax": 3164671.502990395, "xmax": 7017949.391359806, "spatialReference": { "latestWkid": 6420, "wkid": 103005 } }, "enableZDefaults": true, "allowUpdateWithoutMValues": true, "isLocationTrackingService": false, "supportedExportFormats": "sqlite,filegdb,shapefile,csv,geojson", "capabilities": "Query", "supportsAppend": true, "supportsDisconnectedEditing": false, "supportsSyncModelNone": true, "supportedAppendFormats": "shapefile,featureCollection,featureService", "supportsReturnDeleteResults": true, "currentVersion": 11.3, "advancedEditingCapabilities": { "supportsAsyncApplyEdits": true, "supportsApplyEditsbyUploadID": true, "supportsReturnEditResults": true, "supportedApplyEditsUploadIDFormats": "JSON" }, "supportedQueryFormats": "JSON", "initialExtent": { "ymin": 1422978.390173819, "xmin": 5798575.861498295, "ymax": 2904250.3844080046, "xmax": 7464782.419861113, "spatialReference": { "latestWkid": 6420, "wkid": 103005 } }, "serviceDescription": "", "editorTrackingInfo": { "allowOthersToUpdate": true, "enableEditorTracking": false, "allowOthersToDelete": false, "allowOthersToQuery": true, "enableOwnershipAccessControl": false }, "hasSyncEnabledViews": false, "copyrightText": "Carol W. Witham, Robert F. Holland and John Vollmar. 2014. Changes in the Distribution of Great Valley Vernal Pool Habitats from 2005 to 2012. Sacramento, CA. Report prepared for the U.S. Fish and Wildlife Service and Bureau of Reclamation CVPIA Habitat Restoration Program under Grant Agreement No. F11AP00169 with the USFWS.", "zDefault": 0, "supportsLayerOverrides": true, "serviceItemId": "235629015ae64a5fadba20c1cf91965b" }