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This project addresses multiple regional data gaps for several regional salmon recovery programs (including National Oceanic and Atmospheric Administration's (NOAA) Salmon Habitat Status and Trends Monitoring, Puget Sound Partnership's (PSP) Common Indicator and Vital Signs, Washington Department of Fish and Wildlife’s (WDFW) Fish Passage Inventory, and Estuary and Salmon Restoration Program's (ESRP) Beach Strategies) and will support program goals and regional restoration planning at a regional scale for Puget Sound. Previous and existing protocols were leveraged along with datasets, and regional expertise to produce consistent regional-scale mapping products that will be readily accessible through online mapping applications to support regional restoration planning and evaluation of progress towards recovery. This project focuses on developing data to support regional monitoring and reporting of habitat status and trends for two key habitats that can influence salmon habitat with the mapping of tidally influenced extent habitats and features that influence tidal connectivity. |
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This project addresses multiple regional data gaps for several regional salmon recovery programs (including National Oceanic and Atmospheric Administration's (NOAA) Salmon Habitat Status and Trends Monitoring, Puget Sound Partnership's (PSP) Common Indicator and Vital Signs, Washington Department of Fish and Wildlife’s (WDFW) Fish Passage Inventory, and Estuary and Salmon Restoration Program's (ESRP) Beach Strategies) and will support program goals and regional restoration planning at a regional scale for Puget Sound. Previous and existing protocols were leveraged along with datasets, and regional expertise to produce consistent regional-scale mapping products that will be readily accessible through online mapping applications to support regional restoration planning and evaluation of progress towards recovery. This project focuses on developing data to support regional monitoring and reporting of habitat status and trends for two key habitats that can influence salmon habitat with the mapping of tidally influenced extent habitats and features that influence tidal connectivity. |
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The tidally influenced habitat extents are represented as polygons and their tidal connectivity determined using the Tidal Restriction network, aerial imagery, and Pacific Marine and Estuarine Fish Habitat Partnership (PMEP) draft tidal exceedance polygons. To exclude neritic and ocean zones of the PMEP extent, the PMEP was clipped to exclude areas that were 1,000-foot seaward of the Beach Strategies NGF shoreline. A union function was then used to segment the working PMEP wetland extent with the NWIFC Statewide Intertidal Areas dataset, to separately classify intertidal areas into nearshore deep and shallow habitats. The tidally influenced extent habitats were updated using the spatial database of the tidal restriction network developed in this project, feature polygons, and overwater structures, and PMEP draft tidal exceedance polygons. Tidal restrictions were buffered and used to segment the PMEP polygons into individual polygons, to associate tidal restriction features, feature types, and tidal connectivity ratings to polygons of tidally influenced extent. Tidal connectivity ratings were determined using the Tidal Restriction network and were assigned as Completely Tidally Restricted, Significantly Tidally Restricted, Partially Tidally Restricted, Unrestricted Non-tidal, or Unknown. Tidally influenced extents were classified by both their tidal feature connectivity and landscape connectivity with certainty ratings. The feature tidal connectivity classified the tidal connectivity of the feature based on the tidal connectivity to that feature given the immediately downstream tidal restriction features. Feature tidal connectivity was determined by the downstream feature allowing tidal connectivity regardless of upstream or landward tidal restrictions connectivity restrictions. The landscape tidal connectivity classification considers the connectivity impacts of all the surrounding and downstream (or seaward) tidal restriction features that would impact tidal flow to the polygon. The landscape tidal connectivity of a feature was determined by the connectivity rating of the landscape tidally influenced extents and the downstream tidal restriction features. |
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Tidally Influenced Extent |
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["Puget Sound","ESRP","Tidally Influenced Extent","Habitat","CFS"] |
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en-US |
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