Designation of Critical Habitat for 12 Evolutionarily Significant Units of West Coast Salmon and Steelhead in Washington, Oregon, and Idaho (2005)

NOAA Fisheries issued a final rule designating critical habitat for 12 Evolutionarily Significant Units (ESUs) of West Coast salmon (chum, Oncorhynchus keta; sockeye, O. nerka; chinook, O. tshawytscha) and steelhead (O. mykiss) listed as of the date of this designation under the Endangered Species Act (ESA) of 1973, as amended. The specific areas designated in the rule include approximately 20,630 mi (33,201 km) of lake, riverine, and estuarine habitat in Washington, Oregon, and Idaho, as well as approximately 2,312 mi (3,721 km) of marine nearshore habitat in Puget Sound, Washington. Some of the areas designated are occupied by two or more ESUs.

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