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1Published 2000Subjects: “...Aquatic ecology....”
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2Published 2000Subjects: “...Sand dune ecology....”
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3Published 1993Subjects: “...Ecology Juvenile films....”
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4Published 2000Subjects: “...Forest ecology....”
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6Published 1985Subjects: “...Marine ecology Fundy, Bay of....”
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7Published 1993Subjects: “...Coastal ecology Atlantic Coast (U.S.)...”
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12Published 1990Subjects: “...Ecology California San Francisco Bay....”
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13Published 1991Subjects: “...Rain forest ecology....”
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14Published 1996Subjects: “...Ecology....”
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19Published 2000Subjects: “...Grassland ecology....”
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