<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
  <marc:record>
    <marc:leader>00000nam  2200000zi 4500</marc:leader>
    <marc:controlfield tag="001">9.954730</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20250903102603</marc:controlfield>
    <marc:controlfield tag="006">m     o  d f      </marc:controlfield>
    <marc:controlfield tag="007">cr bn|||||||||</marc:controlfield>
    <marc:controlfield tag="008">250903e199602##abcdb   ob   f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">0662245059</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:datafield tag="043" ind1=" " ind2=" ">
      <marc:subfield code="a">n-cn-ab</marc:subfield>
      <marc:subfield code="a">n-cn-bc</marc:subfield>
      <marc:subfield code="a">n-cn-nt</marc:subfield>
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    <marc:datafield tag="086" ind1="1" ind2=" ">
      <marc:subfield code="a">R71-49/3-89E-PDF</marc:subfield>
      <marc:subfield code="z">R71-49/3-89E</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Brown, Scott B. </marc:subfield>
      <marc:subfield code="q">(Scott Barrie), </marc:subfield>
      <marc:subfield code="d">1951- </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Analyses for circulating gonadal sex steroids and gonad morphology in fish : </marc:subfield>
      <marc:subfield code="b">Peace, Athabasca and Slave River basins, September to December, 1994 / </marc:subfield>
      <marc:subfield code="c">prepared for the Northern River Basins Study under project 3144-D3 by S.B. Brown, R.E. Evans and L. Vandenbyllaardt.</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">February 1996.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="4">
      <marc:subfield code="c">©1996</marc:subfield>
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    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (v, 125 pages) : </marc:subfield>
      <marc:subfield code="b">charts, map.</marc:subfield>
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      <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 project report, </marc:subfield>
      <marc:subfield code="y">1192-3571 ; </marc:subfield>
      <marc:subfield code="v">no. 89</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 (pages 52-55).</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1=" " ind2=" ">
      <marc:subfield code="a">"The objective of this study was to examine reproductive indices in fish collected at a broad spectrum of sites located throughout the Peace and Athabasca river basins. The study represents an pioneering effort of unprecidented scope and scale which simultaneously evaluated contaminants, reproductive parameters and possible biochemical effects of potential contaminant exposure. The collection and sampling protocols for the project included contaminant, biochemical and histological analyses to be performed on the fish"--Report summary.</marc:subfield>
    </marc:datafield>
    <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="z">Alberta</marc:subfield>
      <marc:subfield code="z">Athabasca River Watershed</marc:subfield>
      <marc:subfield code="x">Reproduction.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Fishes</marc:subfield>
      <marc:subfield code="z">Peace River Watershed (B.C. and Alta.)</marc:subfield>
      <marc:subfield code="x">Reproduction.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Fishes</marc:subfield>
      <marc:subfield code="z">Slave River Watershed (Alta. and N.W.T.)</marc:subfield>
      <marc:subfield code="x">Reproduction.</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 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>
    <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">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="z">Alberta</marc:subfield>
      <marc:subfield code="z">Athabasca, Bassin de l'</marc:subfield>
      <marc:subfield code="x">Reproduction.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Poissons</marc:subfield>
      <marc:subfield code="z">Paix, Bassin de la rivière de la (C.-B. et Alb.)</marc:subfield>
      <marc:subfield code="x">Reproduction.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Poissons</marc:subfield>
      <marc:subfield code="z">Esclaves, Bassin de la rivière des (Alb. et T.N.-O.)</marc:subfield>
      <marc:subfield code="x">Reproduction.</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>
    </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">Esclaves, Bassin de la rivière des (Alb. et T.N.-O.)</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>
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    <marc:datafield tag="776" ind1="0" ind2="#">
      <marc:subfield code="t">Analyses for circulating gonadal sex steroids and gonad morphology in fish : </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.612998</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. 89.</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">8370 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/eccc/r71/R71-49-3-89-eng.pdf</marc:subfield>
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