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Fish Passage Decision Support System
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Go to the FPDSS's interactive map viewer.

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    • Welcome
    The Fish Passage Decision Support System (FPDSS) is an online application funded by the U.S. FWS Fish Passage Program. The FPDSS makes information about barriers to fish passage in the U.S. available to policy makers and the public.
    Barrier Removal Modeling
    Model the removal of a barrier to fish passage. The modeling operation can model fish passage both upstream and downstream of the barrier.
    Area Profile
    Create a profile report about a geographic area. Information returned includes maps of the area, barrier summary information, and hydrology.
    Featured Fish Passage Program Project
    Project Name:Dunton Locks on the Pelican River (Red River Basin), Minnesota
    FWS Region:Great Lakes
    Year Completed:2001
    Description:
    The Pelican River is a tributary to the Ottertail River that flows into the Red River. The Dunton Locks dam on the Pelican River near Detroit Lakes, Minnesota restricted fish movement in the river and in the Red River drainage.
    Benefits:
    Lake sturgeon now have access to additional habitat, thereby increasing the chances of success for lake sturgeon recovery. Restoring these connections and allowing fish passage increased habitat availability for all fish.
    		Image from project Dunton Locks on the Pelican River (Red River Basin), Minnesota