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      <marc:subfield code="a">En4-144/89-1-2023E-PDF</marc:subfield>
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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>
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      <marc:subfield code="a">[January 2024 edition].</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">2024.</marc:subfield>
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      <marc:subfield code="c">©2023</marc:subfield>
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      <marc:subfield code="a">1 online resource (11 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">"Project Code: EC23015"--Page 2.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">"Phosphorus is an essential plant nutrient. However, when phosphorus levels are too high, or too low, they can have harmful impacts on a lake's water quality and food web as observed in Lake Winnipeg. In the absence of human development, natural background levels of phosphorus are relatively low. High phosphorous levels in Lake Winnipeg may result from human-related factors such as agricultural runoff and urban runoff. Reducing the amount of phosphorus that enters Lake Winnipeg helps to improve water quality and the ecosystem health of the lake. Environment and Climate Change Canada's support and funding for the efforts to reduce nutrients, through the Lake Winnipeg Basin Program, will help Manitoba achieve its long-term goal of reducing phosphorus concentrations in the lake by 50% to pre-1990 levels. This indicator shows the extent to which the projects completed since 2010 have reduced the amount of phosphorus reaching Lake Winnipeg"--Page 5.</marc:subfield>
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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">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)9.929459</marc:subfield>
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      <marc:subfield code="t">Canadian environmental sustainability indicators : </marc:subfield>
      <marc:subfield code="b">[January 2025 edition]</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.945072</marc:subfield>
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      <marc:subfield code="t">Canadian environmental sustainability indicators : </marc:subfield>
      <marc:subfield code="b">(February 2023)</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.920363</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">490 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2024/eccc/en4/En4-144-89-1-2023-eng.pdf</marc:subfield>
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      <marc:subfield code="a">EC23015</marc:subfield>
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