Salmon and Steelhead Habitat Inventory and Assessment Program

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The Salmon and Steelhead Habitat Inventory and Assessment Program (SSHIAP) supports a spatial data system that characterizes salmonid habitat conditions and distribution of salmonid stocks in Washington at the scale of 1:24,000. SSHIAP is co-managed by the Washington Department of Fish and Wildlife and the Northwest Indian Fisheries Commission (NWIFC).

http://wdfw.wa.gov/mapping/salmonscape/sshiap/index.html

http://nwifc.org/about-us/habitat/sshiap/

Products

The foundation of the SSHIAP data system is a 1:24,000-scale cleaned and routed hydrography layer. This hydrolayer provides a consistent spatial data foundation for integrating a wide variety of habitat information and for subsequent analyses. The SSHIAP data system quantitatively characterizes habitat conditions, incorporates a wide variety of information sources, and links habitat conditions and stock distribution with productivity modeling efforts. SSHIAP is designed to support regulatory, conservation, and analysis efforts such as Washington State Watershed Analysis, State Salmon Recovery, Habitat Conservation Planning, Ecosystem Diagnosis and Treatment (EDT), and others.

Getting SSHIAP Data

SSHIAP data may be viewed on SalmonScape, an interactive, user-friendly, map-based web application. Data layers you will find on SalmonScape include hydrography, fish distribution, Salmonid Stock Inventory (SaSI), barriers to fish passage, habitat characteristics such as stream gradient, and Ecosystem Diagnosis and Treatment model output. Data can be displayed over shaded relief or orthographic photos. Users can query by stream or spatial location and can make limited queries of data content.

Notes

  • The SSHIAP stream layers are based on 2001 DNR stream work. As the federal and state standard has shifted to the National Hydrologic Dataset (NHD) the fate of the core SSHIAP data and all the derived data and analyses need to be resolved Pcereghino (talk) 08:57, 27 June 2016 (PDT).
  • ThePuget Sound Characterization Project used SSHIAP catchment data, and aggregated to 3-10 square mile units for analysis.