Parent Layer: Salmon

Name: Salmon, sockeye (Snake River ESU)

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Description: These data (in conjunction with a separate line layer) depict the habitat areas designated by the National Marine Fisheries Service (NMFS) as critical habitat under the U.S. Endangered Species Act (ESA) for Snake River sockeye salmon. The data were developed in 2018 as part of an effort to interpret and depict several salmonid critical habitat designations completed in the 1990s that relied on text-based descriptions but lacked GIS data. Habitat areas for Snake River sockeye were identified based on the following:The regulatory definition of ESA critical habitat for this species found at 50 CFR 226.205(a) and the supporting final rule (58 FR 68543, December 28, 1993);The USGS high resolution National Hydrography Dataset (NHD) - downloaded February 2018;Intrinsic Potential (IP) GIS data developed by the NMFS Northwest Fisheries Science Center;National Elevation Data and Digital Topographic Maps;Fish Passage Barriers data available from www.StreamNet.org;NMFS recovery planning documents for the Snake River basin;The Professional judgment of biologists from the NMFS Interior Columbia Basin Office; andMaps and documentation found in the following references:Evermann, B.W. 1896. A Report upon Salmon Investigations in the Headwaters of the Columbia River, in the State of Idaho, in 1895 Together with Notes upon the Fishes Observed in that State in 1894 and 1895.NMFS. 2015. ESA Recovery Plan for Snake River Sockeye Salmon (Oncorhynchus nerka) June 8, 2015. Available online at: http://www.westcoast.fisheries.noaa.gov/protected_species/salmon_steelhead/recovery_planning_and_implementation/index.htmlTeuscher, D., D. Taki., W. Wurtsbaugh, C. Luecke, P. Bundy, H.P. Gross, and G. Steinhart. 1993. Snake River sockeye salmon habitat and limnological research. Annual Report 1993. Prepared for U. S. Department of Energy, Bonneville Power Administration, Division of Fish and Wildlife, P.O. Box 3621, Portland, OR 97208-3621. Project Number 91-7 1. Contract Number DE-BI79-91BP22548. June 1994)NOTE - These data are intended to assist in the construction of maps depicting areas designated as critical habitat for Snake River sockeye in Idaho, Oregon, and Washington. Every attempt has been made to ensure the accuracy of this dataset, however these data DO NOT constitute a legal description of critical habitat. For legal descriptions of the areas designated as critical habitat please consult the final rule and regulations cited above.

Definition Expression: N/A

Copyright Text: Originator: NOAA Fisheries, U.S. Department of Commerce

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