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Lake Trout Are Bad News for Lake Yellowstone

2013-01-22 07:00:00| Climate Ark Climate Change & Global Warming Newsfeed

National Geographic: It's a case of trout versus trout, and in the face-off between native Yellowstone cutthroats (Oncorhynchus clarkii bouvieri) and the intruders on the scene, lake trout (Salvelinus namaycush), the judgment handed down is a no-brainer. The lake trout must go. The problem, explained Pat Bigelow, a fisheries biologist at Yellowstone National Park, Wyoming, emerged in 1994 when lake trout were discovered in Yellowstone Lake. Why lake trout were introduced into the lake is a mystery. Perhaps, biologists...

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