Imperiled Steelhead Migrating Up Columbia/Snake River Show Lowest Survival Bonneville Dam To McNary Dam, Miss Survival Targets

Asotin Creek adult summer steelhead survival is at its lowest in the Bonneville Dam pool as the fish migrate upstream to the Snake River tributary, according to a presentation last week that focused on survival of steelhead listed as threatened under the federal Endangered Species Act. Temperature and harvest (catch and release mortalities) are cited as the main reasons for steelhead struggles in the Bonneville Pool.

Read the full article…

Become a Member and get unlimited access to all articles.


Already a member? Log in here

More news from CBB: