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Bering Sea
5
Callorhinus ursinus
5
Pribilof Islands
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ecosystem-based fisheries management
5
northern fur seals
5
walleye pollock
5
Biological Oceanography
4
Chemical Oceanography
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Marine Biology
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Marine Engineering
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Marine Geoscience
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Oceanography
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Physical Oceanography
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General. Including nature conservation
1
Q
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QH1-199.5
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Science
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geographical distribution
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