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The objectives of this study were to determine whether changes in
the selective pressures which occur in a hatchery could cause inherited
modifications in the behavior of steelhead trout (Salmo gairdneri) that
would affect their survival in the...
1977-02-08 (iso8601)
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1968-10-08 (iso8601)
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1965-05-12 (iso8601)
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1984-01-27 (iso8601)
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The majority of the world's breeding population of northern fur seals
(Callorhinus ursinus) is found on the Pribilof Islands (St. Paul and St. George) in the Bering Sea, Alaska. Pup production on these islands experienced an irregular but overall...
2011-06-07 (iso8601)
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1977-07-07 (iso8601)
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