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Filters: Types: ArcGIS Service Definition (X) > Tags: {"type":"Place","scheme":"FGDC"} (X)

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The U.S. Geological Survey (USGS) developed a regression model for estimating mean August baseflow per square mile of drainage area in cooperation with National Oceanic and Atmospheric Administration (NOAA) to help resource managers assess relative amounts of baseflow in streams with Maine Atlantic Salmon habitat (Lombard and others, 2021). The model was applied to each reach of a stream network derived from select National Hydrography Dataset Plus High-Resolution (NHDPlusHR) data in the State of Maine south of 46º 21′55″ N latitude. The spatial coverage developed from the stream network contains model-estimated mean August baseflow per square mile of drainage area as an attribute of each NHDPlusHR reach. Please...
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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...
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This dataset depicts hunt areas for San Pablo Bay National Wildlife Reuge. It was produced by digitizing maps provided by refuge staff.
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This dataset depicts management units for San Pablo Bay National Wildlife Reuge. It was produced by digitizing maps provided by refuge staff.
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U.S. Fish and Wildlife Service Road Inventory. This dataset depicts only those roads that are managed bythe USFWS and are on USFWS owned lands.


    map background search result map search result map Parking Areas, Tule Lake NWR Parking Areas, Klamath Marsh NWR Roads, Klamath Marsh NWR Vernal Pools in California, 2012 Management Units - San Pablo Bay National Wildlife Refuge Hunt Areas - San Pablo Bay National Wildlife Refuge Spatial Coverage for Estimated Baseflow for Streams Containing Endangered Atlantic Salmon in Maine, USA (version 1.1, June 2022) Management Units - San Pablo Bay National Wildlife Refuge Hunt Areas - San Pablo Bay National Wildlife Refuge Spatial Coverage for Estimated Baseflow for Streams Containing Endangered Atlantic Salmon in Maine, USA (version 1.1, June 2022) Vernal Pools in California, 2012 Parking Areas, Tule Lake NWR Parking Areas, Klamath Marsh NWR Roads, Klamath Marsh NWR