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      <marc:subfield code="a">Cash, Kevin J. </marc:subfield>
      <marc:subfield code="q">(Kevin Joseph), </marc:subfield>
      <marc:subfield code="d">1959-‏ </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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      <marc:subfield code="a">Assessing and monitoring aquatic ecosystem health : </marc:subfield>
      <marc:subfield code="b">approaches using individual, population and community/ecosystem measurements / </marc:subfield>
      <marc:subfield code="c">prepared for the Northern River Basins Study under project 5201-C1 by Kevin Cash.</marc:subfield>
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    <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">1995.</marc:subfield>
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      <marc:subfield code="c">©1995</marc:subfield>
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      <marc:subfield code="a">1 online resource (i, 68 pages, 3 unnumbered pages).</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <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. 45</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:subfield code="a">"February 1995."</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 39-47).</marc:subfield>
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      <marc:subfield code="a">"This report has been prepared as part of a larger project whose objective is to develop a framework for the development of an ecosystem integrity and cumulative effects monitoring program for the Peace, Athabasca and Slave river basins. The purpose of this report was to: (1) Review the concepts of ecosystem health and cumulative effects assessment and the underlying framework and practical objectives of these approaches. (2) Critically review the literature on existing population, community and ecosystem-level approaches and associated measurements being used for the assessment of aquatic ecosystem health and cumulative effects and outline the advantages and disadvantages of each. (3) Identify the types of data and information required to adequately assess and monitor aquatic ecosystem health and cumulative effects. (4) Assess the applicability of these approaches and metrics to the Northern River Basins Study and recommend approaches that could potentially be employed to assess and monitor aquatic ecosystem health and cumulative effects within the Northern River Basins"--Report summary.</marc:subfield>
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      <marc:subfield code="a">Issued also in print format.</marc:subfield>
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      <marc:subfield code="a">Aquatic ecology</marc:subfield>
      <marc:subfield code="z">Alberta.</marc:subfield>
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      <marc:subfield code="a">Freshwater ecology</marc:subfield>
      <marc:subfield code="z">Alberta.</marc:subfield>
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      <marc:subfield code="a">Environmental monitoring</marc:subfield>
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    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Écosystèmes aquatiques</marc:subfield>
      <marc:subfield code="z">Alberta.</marc:subfield>
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      <marc:subfield code="a">Écologie d'eau douce</marc:subfield>
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      <marc:subfield code="a">Environnement</marc:subfield>
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      <marc:subfield code="z">Alberta.</marc:subfield>
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      <marc:subfield code="a">Northern River Basins Study (Canada)‏, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="t">Assessing and monitoring aquatic ecosystem health : </marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.611891</marc:subfield>
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      <marc:subfield code="a">Northern River Basins Study project report ;</marc:subfield>
      <marc:subfield code="v">no. 45.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.883506</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">3,292 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/eccc/r71/R71-49-3-45-eng.pdf</marc:subfield>
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