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      <marc:subfield code="a">Wacasey, J. W., </marc:subfield>
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      <marc:subfield code="a">Biological productivity of the southern Beaufort Sea :  </marc:subfield>
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      <marc:subfield code="c">December, 1975.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 16-17).</marc:subfield>
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      <marc:subfield code="a">"Baseline data obtained from a sampling program carried out from 1971 through 1975, primarily during the open water season, demonstrate the existence of zonation of zoobenthos across the shelf of the southern Beaufort Sea"--Summary.</marc:subfield>
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      <marc:subfield code="a">Beaufort Sea Project (Canada), </marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/En3-6-12-2-eng.pdf</marc:subfield>
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