Are the adult counts for wild steelhead a subset of the adult steelhead counts? How are wild steelhead identified at the Corp of Engineers Dams?
Wild steelhead are a subset of steelhead. Wild steelhead are counted separately from hatchery steelhead at Corps dams on the Columbia and Snake Rivers. Wild steelhead are identified as fish with an intact adipose fin. However, a small number of hatchery fish may not have had their adipose fin removed.
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