<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:controlfield tag="001">9.955275</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20250912152724</marc:controlfield>
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    <marc:controlfield tag="008">250912e199603##abcdb   ob   f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">0662247086</marc:subfield>
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      <marc:subfield code="a">CaOODSP</marc:subfield>
      <marc:subfield code="b">eng</marc:subfield>
      <marc:subfield code="e">rda</marc:subfield>
      <marc:subfield code="c">CaOODSP</marc:subfield>
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      <marc:subfield code="a">n-cn-ab</marc:subfield>
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      <marc:subfield code="a">R71-49/3-104E-PDF</marc:subfield>
      <marc:subfield code="z">R71-49/3-104E</marc:subfield>
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    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Lockhart, W. L., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Analysis for liver mixed function oxidase in fish : </marc:subfield>
      <marc:subfield code="b">upper Athabasca River, 1992 / </marc:subfield>
      <marc:subfield code="c">prepared for the Northern River Basins Study under project 2351-B1 by W. Lyle Lockart, Donald A. Metner, D.F. Rawn, R.J. Boychuk and J.R. Toews.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Edmonton, Alberta : </marc:subfield>
      <marc:subfield code="b">Northern River Basins Study, </marc:subfield>
      <marc:subfield code="c">March 1996.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="4">
      <marc:subfield code="c">©1996</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (iv, 43 pages) : </marc:subfield>
      <marc:subfield code="b">charts, maps.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="336" ind1=" " ind2=" ">
      <marc:subfield code="a">text</marc:subfield>
      <marc:subfield code="b">txt</marc:subfield>
      <marc:subfield code="2">rdacontent</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="337" ind1=" " ind2=" ">
      <marc:subfield code="a">computer</marc:subfield>
      <marc:subfield code="b">c</marc:subfield>
      <marc:subfield code="2">rdamedia</marc:subfield>
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    <marc:datafield tag="338" ind1=" " ind2=" ">
      <marc:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
      <marc:subfield code="2">rdacarrier</marc:subfield>
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    <marc:datafield tag="490" ind1="1" ind2=" ">
      <marc:subfield code="a">Northern River Basins Study project report, </marc:subfield>
      <marc:subfield code="y">1192-3571 ; </marc:subfield>
      <marc:subfield code="v">no. 104</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Digitized edition from print [produced by Environment and Climate Change Canada].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (page 43).</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"The aquatic fauna of the northern rivers in Alberta are exposed to contaminants from pulp mill effluent, and other types of industrial and municipal effluents. Studies of sub-lethal effects on individuals can indicate an early response to environmental stress, and determine if further study is required to assess the ecological consequences for that population. For example, several recent studies in Canada have reported increased levels of mixed function oxygenase (MFO) activity, a sub-lethal effect, in the livers of fish collected near the effluents of pulp mills. ... The objective of this project was to examine MFO activity in fish collected from six sites on the upper Athabasca River, upstream and downstream of the bleached kraft pulp mill at Hinton"--Study perspective.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="530" ind1=" " ind2=" ">
      <marc:subfield code="a">Issued also in print format.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Fishes</marc:subfield>
      <marc:subfield code="x">Effect of water pollution on</marc:subfield>
      <marc:subfield code="z">Alberta</marc:subfield>
      <marc:subfield code="z">Athabasca River.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Wood-pulp industry</marc:subfield>
      <marc:subfield code="x">Waste disposal</marc:subfield>
      <marc:subfield code="x">Environmental aspects</marc:subfield>
      <marc:subfield code="z">Alberta</marc:subfield>
      <marc:subfield code="z">Athabasca River.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Poissons</marc:subfield>
      <marc:subfield code="x">Effets de la pollution de l'eau sur</marc:subfield>
      <marc:subfield code="z">Alberta</marc:subfield>
      <marc:subfield code="z">Athabasca, Rivière.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Pâte à papier</marc:subfield>
      <marc:subfield code="x">Industrie</marc:subfield>
      <marc:subfield code="x">Déchets</marc:subfield>
      <marc:subfield code="x">Élimination</marc:subfield>
      <marc:subfield code="x">Aspect de l'environnement</marc:subfield>
      <marc:subfield code="z">Alberta</marc:subfield>
      <marc:subfield code="z">Athabasca, Rivière.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="710" ind1="2" ind2=" ">
      <marc:subfield code="a">Northern River Basins Study (Canada)‏, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="776" ind1="0" ind2="#">
      <marc:subfield code="t">Analysis for liver mixed function oxidase in fish : </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.613113</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="830" ind1="#" ind2="0">
      <marc:subfield code="a">Northern River Basins Study project report ;</marc:subfield>
      <marc:subfield code="v">no. 104.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.883506</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">2577 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/eccc/r71/R71-49-3-104-eng.pdf</marc:subfield>
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