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      <marc:subfield code="a">Griffiths, W. H., </marc:subfield>
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      <marc:subfield code="a">The effects of sedimentation on the aquatic biota / </marc:subfield>
      <marc:subfield code="c">by W.H. Griffiths and B.D. Walton for Alberta Oil Sands Environmental Research Program.</marc:subfield>
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      <marc:subfield code="c">July 1978.</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">Sponsored jointly by Alberta Environment and Environment Canada.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 49-58).</marc:subfield>
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      <marc:subfield code="a">"A review of the effects of sedimentation on aquatic biota is presented. The detrimental effects of increased suspended and settled sediments on fish, bottom invertebrates, and primary productivity are documented"--Abstract, page xiii.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">Aquatic organisms</marc:subfield>
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      <marc:subfield code="a">Organismes aquatiques</marc:subfield>
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      <marc:subfield code="a">Sédiments marins</marc:subfield>
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      <marc:subfield code="z">Sables bitumineux de l'Athabasca.</marc:subfield>
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      <marc:subfield code="a">Alberta Oil Sands Environmental Research Program, </marc:subfield>
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      <marc:subfield code="a">AOSERP 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_2025/eccc/en40/En40-248-35-eng.pdf</marc:subfield>
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