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Author: U.S. Fish and Wildlife Service. Office of River Basin Studies Publisher: ISBN: Category : Water birds Languages : en Pages : 74
Book Description
... Areas containing a minimum of 40 acres in a continuous unit were classified into ecological types and evaluated on a basis of their present; also included in the inventory were mud flats and open fresh water areas ...
Author: U.S. Fish and Wildlife Service. Office of River Basin Studies Publisher: ISBN: Category : Water birds Languages : en Pages : 74
Book Description
... Areas containing a minimum of 40 acres in a continuous unit were classified into ecological types and evaluated on a basis of their present; also included in the inventory were mud flats and open fresh water areas ...
Author: U. S. Department of the Interior Fish and Wildlife Service Publisher: CreateSpace ISBN: 9781484857434 Category : Languages : en Pages : 30
Book Description
The NWI Program mapped about 2.04 million acres of wetlands and over 1 million acres of deepwater habitats, excluding marine waters. The wetland mapping is conservative due to limitations of the photointerpretation techniques employed. Considering NRCS hydric soil data and the results of a wetland map assessment done for the LURC region, the actual extent of wetlands in Maine is likely somewhere between 3.28 and 3.75 million acres, representing 17-19% of the state's land area.
Author: U. S. Fish U.S. Fish and Wildlife Service Publisher: CreateSpace ISBN: 9781507753460 Category : Languages : en Pages : 32
Book Description
The U.S. Fish and Wildlife Service (FWS) has been conducting a nationwide survey of wetlands and deepwater habitats since the mid-1970s through its National Wetlands Inventory Program (NWI). This survey is accomplished using traditional photointerpretation techniques to produces map and digital geospatial data on the status of wetlands. The U.S. Geological Survey topographic maps serve as the base data upon which boundaries of wetlands and deepwater habitats are delineated.
Author: U.S. Fish & Wildlife Service Publisher: CreateSpace ISBN: 9781489585615 Category : Languages : en Pages : 78
Book Description
This report summarizes current National Wetlands Inventory (NW)I data for each state from Maine through Virginia and the District of Columbia.
Author: U.S. Fish and Wildlife Service. Office of River Basin Studies
Author: U.S. Fish and Wildlife Service. Office of River Basin Studies
Author: U. S. Department of the Interior Fish and Wildlife Service
Author: Christine Nichols
Author: Ralph W. Tiner
Author: Cheryl A. McCall
Author: U. S. Fish U.S. Fish and Wildlife Service
Author: U.S. Fish and Wildlife Service. Division of River Basin Studies
Author: Charles Edward Alexander
Author: U.S. Fish & Wildlife Service
Author: U.S. Fish and Wildlife Service. Office of River Basin Studies