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      <marc:subfield code="a">Canadian environmental sustainability indicators : </marc:subfield>
      <marc:subfield code="b">reductions in phosphorus loads to Lake Winnipeg.</marc:subfield>
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      <marc:subfield code="a">Reductions in phosphorus loads to Lake Winnipeg : </marc:subfield>
      <marc:subfield code="b">Canadian environmental sustainability indicators</marc:subfield>
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      <marc:subfield code="a">Gatineau QC : </marc:subfield>
      <marc:subfield code="b">Environment and Climate Change Canada = Environnement et changement climatique Canada, </marc:subfield>
      <marc:subfield code="c">2021.</marc:subfield>
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      <marc:subfield code="c">©2021</marc:subfield>
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      <marc:subfield code="a">1 online resource (12 pages) : </marc:subfield>
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      <marc:subfield code="a">computer</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">Issued also in French under title: Indicateurs canadiens de durabilité de l'environnement : réduction des rejets de phosphore dans le lac Winnipeg.</marc:subfield>
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      <marc:subfield code="a">Caption title.</marc:subfield>
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      <marc:subfield code="a">"November 2021."</marc:subfield>
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      <marc:subfield code="a">Issued also in HTML format.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (page 10).</marc:subfield>
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      <marc:subfield code="a">"Phosphorus is an essential plant nutrient. When phosphorus levels are too high, they can have harmful impacts on a lake's food web as observed in Lake Winnipeg. Reducing the amount of phosphorus that enters Lake Winnipeg helps to improve the health of the lake. The indicator shows the extent to which projects completed since 2010 with funding from Environment and Climate Change Canada's Lake Winnipeg basin programming have reduced the amount of phosphorus reaching Lake Winnipeg"--Page 5.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">Phosphorus</marc:subfield>
      <marc:subfield code="x">Environmental aspects</marc:subfield>
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      <marc:subfield code="z">Winnipeg, Lake.</marc:subfield>
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      <marc:subfield code="a">Water</marc:subfield>
      <marc:subfield code="x">Phosphorus content</marc:subfield>
      <marc:subfield code="z">Manitoba</marc:subfield>
      <marc:subfield code="z">Winnipeg, Lake.</marc:subfield>
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      <marc:subfield code="a">Environmental indicators</marc:subfield>
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      <marc:subfield code="z">Winnipeg, Lake.</marc:subfield>
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      <marc:subfield code="a">Statistics</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environment and Climate Change Canada, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="t">Indicateurs canadiens de durabilité de l'environnement : </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.904013</marc:subfield>
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      <marc:subfield code="t">Canadian environmental sustainability indicators : </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.920363</marc:subfield>
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      <marc:subfield code="t">Canadian environmental sustainability indicators : </marc:subfield>
      <marc:subfield code="b">November 2020</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.893246</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">230 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2022/eccc/en4-144/En4-144-89-2021-eng.pdf</marc:subfield>
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      <marc:subfield code="q">HTML</marc:subfield>
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      <marc:subfield code="u">https://www.canada.ca/en/environment-climate-change/services/environmental-indicators/phosphorus-lake-winnipeg.html</marc:subfield>
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      <marc:subfield code="a">EC21032</marc:subfield>
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