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Habitat Capacity for Chinook Salmon and Steelhead Spawning and Rearing in the Similkameen River Basin
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2023
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Description:We conducted a geomorphic analysis of potential salmon habitat in the basin, assuming unimpaired passage of Chinook salmon (Oncorhynchus tshawytscha), and steelhead (Oncorhynchus mykiss) into the mainstem Similkameen River past Coyote Falls and the Enloe Dam site. The Similkameen River has been inaccessible to anadromous fish since 1922, when Enloe Dam was constructed at river kilometer 14. We determined the anadromous extent of the basin with a combination of ground survey barrier identification from the Upper and Lower Similkameen Tribes, and maximum accessible stream gradients derived from topographic information (Canada 20 m DEM and LiDAR 1 m), resulting in 2446 km of accessible habitat out of all 5504 km of streams in our Similkameen River Basin dataset.
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Rights Information:CC0 Public Domain
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Compliance:Submitted
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