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Lake
Trout in the Great Lakes
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by
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Michael
J. Hansen
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National
Biological Service
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James
W. Peck
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Michigan
Department of Natural Resources
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Lake trout (Salvelinus namaycush)
populations in the Great Lakes
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collapsed
catastrophically during the 1940's and 1950's because of
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excessive predation by the sea lamprey (Petromyzon
marinus) and
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exploitation by fisheries.
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