<?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">9.945675</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20250219111412</marc:controlfield>
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    <marc:controlfield tag="007">cr |n|||||||||</marc:controlfield>
    <marc:controlfield tag="008">241127t19971996abcdb   ob   f000 0 eng d</marc:controlfield>
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      <marc:subfield code="q">(print)</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>
      <marc:subfield code="a">n-cn-bc</marc:subfield>
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    <marc:datafield tag="086" ind1="1" ind2=" ">
      <marc:subfield code="a">R71-49/4-2E-PDF</marc:subfield>
      <marc:subfield code="z">R71-49/4-2E</marc:subfield>
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    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Carey, John H., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Effects of contaminants on aquatic organisms in the Peace, Athabasca and Slave River Basins / </marc:subfield>
      <marc:subfield code="c">by J.H. Carey and O.T.R. Cordeiro.</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">1997.</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 (vi, 57 pages, 5 unnumbered pages) : </marc:subfield>
      <marc:subfield code="b">charts, maps.</marc:subfield>
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    <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>
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    <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 synthesis report ; </marc:subfield>
      <marc:subfield code="v">no. 2</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>
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    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"November, 1997."</marc:subfield>
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    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (pages 50-57).</marc:subfield>
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    <marc:datafield tag="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"To determine whether contaminants in the NRBS study area were causing harmful effects on biota of the systems and identify methodologies for monitoring biological effects, the Contaminants Component developed a work plan with four primary objectives. These objectives were:• to conduct a basin-wide survey of biochemical responses to contaminants in at least one major resident fish species;• to conduct a basin-wide survey of toxicity in bottom and suspended sediments;• to assess the utility of semi-permeable membrane devices as substitutes for wild fish in long term biological effects monitoring;• to assess the feasibility of using small, locally-resident fish species as alternates to large adult fish in long term biological effects monitoring"--Summary.</marc:subfield>
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    <marc:datafield tag="530" ind1=" " ind2=" ">
      <marc:subfield code="a">Issued also in print format.</marc:subfield>
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    <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 Watershed.</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">Peace River Watershed (B.C. and Alta.)</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">Fishes</marc:subfield>
      <marc:subfield code="x">Effect of water pollution on</marc:subfield>
      <marc:subfield code="z">Slave River Watershed (Alta. and N.W.T.)</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Aquatic organisms</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 Watershed.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Aquatic organisms</marc:subfield>
      <marc:subfield code="x">Effect of water pollution on</marc:subfield>
      <marc:subfield code="z">Peace River Watershed (B.C. and Alta.)</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Aquatic organisms</marc:subfield>
      <marc:subfield code="x">Effect of water pollution on</marc:subfield>
      <marc:subfield code="z">Slave River Watershed (Alta. and N.W.T.)</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, Bassin de l'.</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">Paix, Bassin de la rivière de la (C.-B. et Alb.)</marc:subfield>
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    <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">Esclaves, Rivière des (Alb. et T.N.-O.)</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Organismes aquatiques</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, Bassin de l'.</marc:subfield>
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    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Organismes aquatiques</marc:subfield>
      <marc:subfield code="x">Effets de la pollution de l'eau sur</marc:subfield>
      <marc:subfield code="z">Paix, Bassin de la rivière de la (C.-B. et Alb.)</marc:subfield>
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    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Organismes aquatiques</marc:subfield>
      <marc:subfield code="x">Effets de la pollution de l'eau sur</marc:subfield>
      <marc:subfield code="z">Esclaves, Rivière des (Alb. et T.N.-O.)</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">Northern River Basins Study (Canada)‏, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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    <marc:datafield tag="776" ind1="0" ind2="#">
      <marc:subfield code="t">Effects of contaminants on aquatic organisms in the Peace, Athabasca and Slave river basins : </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.613392</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="830" ind1="#" ind2="0">
      <marc:subfield code="a">Northern River Basins Study synthesis report ;</marc:subfield>
      <marc:subfield code="v">no. 2.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.883432</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">3011 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2024/eccc/R71-49-4-2-eng.pdf</marc:subfield>
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