<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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    <marc:leader>00000nam  2200000za 4500</marc:leader>
    <marc:controlfield tag="001">9.845106</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20221107152906</marc:controlfield>
    <marc:controlfield tag="007">cr |||||||||||</marc:controlfield>
    <marc:controlfield tag="008">171004s2005    onca|||#o    f000 0 eng d</marc:controlfield>
    <marc:datafield tag="040" ind1=" " ind2=" ">
      <marc:subfield code="a">CaOODSP</marc:subfield>
      <marc:subfield code="b">eng</marc:subfield>
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    <marc:datafield tag="043" ind1=" " ind2=" ">
      <marc:subfield code="a">n-cn---</marc:subfield>
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    <marc:datafield tag="086" ind1="1" ind2=" ">
      <marc:subfield code="a">En13-3/8-2005E-PDF</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="0" ind2="0">
      <marc:subfield code="a">Zebra mussels, nutrients and the 'Dead Zone" </marc:subfield>
      <marc:subfield code="h">[electronic resource] : </marc:subfield>
      <marc:subfield code="b">the Great Lakes debate.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="260" ind1=" " ind2=" ">
      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">National Water Research Institute, Environment Canada, </marc:subfield>
      <marc:subfield code="c">[2005].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">[3] p. : </marc:subfield>
      <marc:subfield code="b">col. ill. </marc:subfield>
    </marc:datafield>
    <marc:datafield tag="490" ind1="1" ind2=" ">
      <marc:subfield code="a">Fact sheet series</marc:subfield>
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      <marc:subfield code="a">Caption title.</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:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Issued also in French under title: Moules zébrées, éléments nutritifs et la « zone morte » : la question des Grands Lacs.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="520" ind1="0" ind2=" ">
      <marc:subfield code="a">"Each mature zebra mussel can filter one litre of water a day.There are now enough zebra mussels in Lake Erie to filter the entire volume of the lake once a week.The U.S. Fish and Wildlife Service estimates the potential economic impact of the zebra mussel invasion at $5 billion over the next 10 years to American and Canadian water users within the Great Lakes region alone"--p. [1].</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="692" ind1="0" ind2="7">
      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Aquatic ecosystems</marc:subfield>
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    <marc:datafield tag="692" ind1="0" ind2="7">
      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Molluscs</marc:subfield>
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    <marc:datafield tag="710" ind1="1" ind2=" ">
      <marc:subfield code="a">Canada.</marc:subfield>
      <marc:subfield code="b">Environment Canada. </marc:subfield>
      <marc:subfield code="b">National Water Research Institute.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="775" ind1="0" ind2="8">
      <marc:subfield code="t">Moules zébrées, éléments nutritifs et la « zone morte » </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.845109</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="776" ind1="0" ind2="#">
      <marc:subfield code="t">Zebra mussels, nutrients and the "Dead Zone" : </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.546226</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="830" ind1="#" ind2="0">
      <marc:subfield code="a">Fact sheet series (National Water Research Institute)</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.844957</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="856" ind1="4" ind2="0">
      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">2.07 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2017/eccc/En13-3-8-2005-eng.pdf</marc:subfield>
    </marc:datafield>
  </marc:record>
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