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02 PETROLEUM
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54 ENVIRONMENTAL SCIENCES
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ALASKA
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ANIMALS
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BASELINE ECOLOGY
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BIRDS
COASTAL REGIONS
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DATA
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DATA FORMS
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ECOLOGY
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ENVIRONMENTAL EFFECTS
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ESTUARIES
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EXPERIMENTAL DATA
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HABITAT
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INFORMATION
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ISOLATED VALUES
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MIGRATION
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NORTH AMERICA
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NUMERICAL DATA
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OIL SPILLS
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PACIFIC NORTHWEST REGION
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PACIFIC OCEAN
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POLLUTION
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POPULATION DYNAMICS
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RIVERS
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SEAS
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SEASONAL VARIATIONS
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SURFACE WATERS
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