Trouble in the Hatcheries?
Alan Siporin of KLCC in Seattle examines the puzzling drop in returns of salmon to Pacific Northwest hatcheries. Shrinking habitat has been pushing many species of wild salmon to the brink of extinction. Now, salmon bred in hatcheries are dwindling as well. Some blame the drop on temporary weather conditions. But some biologists say the disappearance of wild salmon threatens the healthy gene pool that hatchery salmon must draw upon to survive.
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