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      <marc:subfield code="a">r------</marc:subfield>
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      <marc:subfield code="a">Percy, J. A. </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
      <marc:subfield code="q">(Jonathan Arthur), </marc:subfield>
      <marc:subfield code="d">1943-</marc:subfield>
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      <marc:subfield code="a">Effects of crude oils on Arctic marine invertebrates / </marc:subfield>
      <marc:subfield code="c">J.A. Percy and T.C. Mullin.</marc:subfield>
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      <marc:subfield code="a">Victoria, B.C. : </marc:subfield>
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      <marc:subfield code="c">December, 1975.</marc:subfield>
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      <marc:subfield code="a">Beaufort Sea technical report ; </marc:subfield>
      <marc:subfield code="v">#11</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 115-122).</marc:subfield>
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      <marc:subfield code="a">"Recent developments in the Canadian Arctic have made it increasingly clear that our present understanding of both short and long-term consequences of oil pollution upon Arctic marine ecosystems is far from adequate . It is generally conceded that recovery from a severe ecological disturbance would be a lengthy process in the Arctic. This study addresses itself primarily to the question of just how susceptible certain invertebrate components of the marine inshore ecosystem are to significant disruption by oil pollution"--Summary.</marc:subfield>
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      <marc:subfield code="a">Marine invertebrates</marc:subfield>
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      <marc:subfield code="a">Mullin, T. C., </marc:subfield>
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      <marc:subfield code="a">Beaufort Sea Project (Canada)</marc:subfield>
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      <marc:subfield code="a">Beaufort Sea technical report ;</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/En3-6-11-eng.pdf</marc:subfield>
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