date:May 16, 2012
A newly published collection of more than 20 studies by leading university scientists and government fishery researchers in Alaska, British Columbia, Washington, Oregon, California, Russia and Japan provides mounting evidence that salmon raised in man-made hatcheries can harm wild salmon through competition for food and habitat.
The genetic effects of mixing hatchery fish with wild populations have been well-documented, says journal editor David Noakes from Oregon State University. But until no