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StreamNet's Potential Fish Passage Barrier dataset captures both natural and man-made in stream features that have the potential to block fish passage (culverts, dams, debris jams, cascades, falls, etc.). Where information exists, fish passage ability is captured. This dataset is maintained and updated on an annual or semi-annual basis. The JUNE, 2012 publication dataset includes almost 60,000 features across the states of Washington, Oregon, Idaho, western Montana and California. Where possible, all barrier locations are georeferenced to StreamNet's regionally standardized routed hydrography layer (MSHv3) enabling comparison and analysis of barrier locations within the context of StreamNet's larger data holdings...
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This dataset is a component of a complete package of products from the Connect the Connecticut project. Connect the Connecticut is a collaborative effort to identify shared priorities for conserving the Connecticut River Watershed for future generations, considering the value of fish and wildlife species and the natural ecosystems they inhabit. Click here to download the full data package, including all documentation.This GIS product represents potential opportunities to restore aquatic connectivity by removing dams. Specifically, this product tabulates the results of a model in which each dam is systematically removed (virtually), one at a time, and the predicted improvement in local aquatic connectedness from...
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Resident Fish Connectivity This layer was one of the old South Atlantic LCC indicators in the waterscapes ecosystem. It was an index of local barriers to fish and other aquatic species. Resident fish connectivity was not performing well as an indicator and could not be used in Blueprint 2.0. This indicator was replaced in Blueprint 2.1 with a new network complexity indicator. Reason for Selection Barriers to connectivity within rivers/streams can strongly impact aquatic diversity and alter natural movement of sediments, are easy to monitor and model, and are widely used and understood by diverse partners. Input Data Southeast Aquatic Connectivity Assessment Project: This project, a collaboration between The Nature...
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This feature layer is a spatial representation of most of the DAM facilities in the StreamNet database. Information about the location of each dam was collected from StreamNet personnel at WDFW (Washington Dept of Fish & Wildlife), ODFW (Oregon Dept of Fish & Wildlife), IDFG (Idaho Dept of Fish & Game), and MFWP (Montana Fish, Wildlife & Parks) and the tabular information about each dam in the StreamNet database was then added to each dam point in the GIS layer. California data comes from the StreamNet's partner project "CalFISH" (http://www.calfish.org) which contributes data compatible with the StreamNet database.
    map background search result map search result map StreamNet Dams - PNW and CA StreamNet - Potential Fish Passage Barriers OUTDATED Indicator V 2.0: Waterscapes: Resident Fish Connectivity Dam Removal Effects, CT River Watershed Density of upstream dams_rivers NHD Point Events (Snapshot 8/25/2016) Dam Removal Effects, CT River Watershed OUTDATED Indicator V 2.0: Waterscapes: Resident Fish Connectivity Density of upstream dams_rivers StreamNet - Potential Fish Passage Barriers StreamNet Dams - PNW and CA NHD Point Events (Snapshot 8/25/2016)