Iron, steel in hatcheries may distort magnetic 'map sense' of steelhead Date: June 3, 2014 Source: Oregon State University Summary: Exposure to iron pipes and steel rebar, such as the materials ...

And with well over 200 steelhead-bearing rivers and streams lacing ... on River Road in Port Alberni for a map. "The Stamp is an early stream Dec. 1 through March 1 is typical," said David Murphy ...

preventing steelhead from migrating to and from the ocean and upstream spawning habitat, as this map depicts. Without adequate flows, fish are unable to complete this process and become stranded ...