<?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">9.868686</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20241203113646</marc:controlfield>
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    <marc:controlfield tag="008">190221s2004    onc    #ot   f|0| 0 eng d</marc:controlfield>
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      <marc:subfield code="a">Leon, L. F., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Modeling as a tool for nutrient management in Lake Erie : </marc:subfield>
      <marc:subfield code="b">a hydrodynamics study / </marc:subfield>
      <marc:subfield code="c">by L. F. Leon [and five others].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">[Burlington, Ontario] : </marc:subfield>
      <marc:subfield code="b">Environment Canada, Water Science and Technology Directorate = Environnement Canada, Direction générale des sciences et de la technologie, eau, </marc:subfield>
      <marc:subfield code="c">[2004]</marc:subfield>
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      <marc:subfield code="a">1 online resource (21 unnumbered pages)</marc:subfield>
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      <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:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ; </marc:subfield>
      <marc:subfield code="v">04-153</marc:subfield>
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    <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:subfield code="a">Title from cover.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographic references.</marc:subfield>
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      <marc:subfield code="a">"The introduction of the zebra mussel into Lake Erie has raised some concerns about their potential impact on water quality, particularly with respect to nutrients (phosphorus) dynamics. Coupled physical-biological numerical models are useful tools for understanding the relevant processes and the influence of biota and human activity on the ecological conditions in the lake and such a suite of models has been used to assess the impact of zebra mussels on the nutrient cycling in the lake. This paper presents the hydrodynamic part of an integrated modelling study to understand these physical and ecological processes"--Abstract.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="3">Includes abstract in French.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Water management</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Lakes</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
      <marc:subfield code="a">Invasive species</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environment Canada.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">National Water Research Institute (Canada)</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">NWRI contribution ;</marc:subfield>
      <marc:subfield code="v">04-153. </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.844121</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">1.34 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en13-5/En13-5-04-153-eng.pdf</marc:subfield>
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