The project will improve habitats for salmonids, reduce flood risk for coastal residents and enhance sediment retention.
Wildlife officials worry people may illegally import these creatures for food, then release them into Oregon waters.
Whale entanglements on the U.S. West Coast in 2024 were the highest since 2018, according to a National Oceanic and Atmospheric Administration report.
Federal wildlife officials decided not to list coast Chinook salmon as threatened or endangered, ending multiple requests from conservation groups.