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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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7Published 1985Subjects: “...Marine ecology Fundy, Bay of....”
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8Published 2011Subjects: “...Human ecology....”
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13Published 1993Subjects: “...Coastal ecology Atlantic Coast (U.S.)...”
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15Published 1999Subjects: “...Agricultural ecology Zimbabwe....”
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