Scientists report non-native fish threat to salmon
A panel of scientists has advised letting anglers catch more shad, smallmouth bass and walleye in the Columbia and Snake rivers to help out wild salmon.

The reason is that hydroelectric dams have turned the rivers into a series of lakes where non-native fish have an advantage. Those fish eat a lot of baby salmon, compete with salmon for food and pass on disease.

But the head of fisheries for the Oregon Department of Fish and Wildlife says not enough people fish for these species to make much difference.... Continued@URL... http://seattlepi.nwsource.com/local/371693_salmon22.html?source=rss