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      <marc:subfield code="a">Minns, Charles Kenneth, </marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Spatial and temporal variability in zooplankton abundance of the Great Lakes / </marc:subfield>
      <marc:subfield code="c">by Charles K. Minns.</marc:subfield>
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    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Burlington, Ontario, Canada : </marc:subfield>
      <marc:subfield code="b">Great Lakes Fisheries Research Branch, Canada Centre for Inland Waters, </marc:subfield>
      <marc:subfield code="c">April 1984.</marc:subfield>
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      <marc:subfield code="c">©1984</marc:subfield>
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      <marc:subfield code="a">1 online resource (iv, 15 pages) : </marc:subfield>
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      <marc:subfield code="a">Canadian manuscript report of fisheries and aquatic sciences, </marc:subfield>
      <marc:subfield code="y">0706-6473 ; </marc:subfield>
      <marc:subfield code="v">no. 1750</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Department of Fisheries and Oceans].</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (page 9).</marc:subfield>
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    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"Data from several surveys of zooplankton distribution and abundance in the Great Lakes are summarized to give total biomass, and cladoceran, calanoid, and cyclopoid abundance. The summaries by station and cruise are analyzed to examine the relative importance of, and significance of spatial and temporal variability. The results are assessed and their relevance to the design of future zooplankton studies examined"--Abstract, page iii.</marc:subfield>
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      <marc:subfield code="a">Includes abstracts in English and French.</marc:subfield>
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    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Freshwater zooplankton</marc:subfield>
      <marc:subfield code="z">Great Lakes (North America)</marc:subfield>
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    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Plankton populations</marc:subfield>
      <marc:subfield code="z">Great Lakes (North America)</marc:subfield>
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      <marc:subfield code="a">Zooplancton d'eau douce</marc:subfield>
      <marc:subfield code="z">Grands Lacs (Amérique du Nord)</marc:subfield>
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      <marc:subfield code="a">Plancton</marc:subfield>
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      <marc:subfield code="z">Grands Lacs (Amérique du Nord)</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Department of Fisheries and Oceans, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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      <marc:subfield code="a">Canada Centre for Inland Waters. </marc:subfield>
      <marc:subfield code="b">Great Lakes Fisheries Research Branch, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
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    <marc:datafield tag="830" ind1="#" ind2="0">
      <marc:subfield code="a">Canadian manuscript report of fisheries and aquatic sciences ;</marc:subfield>
      <marc:subfield code="v">no. 1750.</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.505211</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">403 KB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/mpo-dfo/fs97-4/Fs97-4-1750-eng.pdf</marc:subfield>
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