<?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">9.951404</marc:controlfield>
    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20250528140851</marc:controlfield>
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    <marc:controlfield tag="008">250527e198308##mbca    ob   f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">Fs97-4/1710E-PDF</marc:subfield>
      <marc:subfield code="z">Fs97-4/1710</marc:subfield>
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    <marc:datafield tag="100" ind1="1" ind2=" ">
      <marc:subfield code="a">Findlay, D. L., </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Seasonal successions of phytoplankton in five lake basins in the Experimental Lakes Area, northwestern Ontario, following artificial eutrophication : </marc:subfield>
      <marc:subfield code="b">data from 1980 to 1982 / </marc:subfield>
      <marc:subfield code="c">by D.L. Findlay.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">Winnipeg, Manitoba : </marc:subfield>
      <marc:subfield code="b">Western Region, Department of Fisheries and Oceans, </marc:subfield>
      <marc:subfield code="c">August 1983.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="4">
      <marc:subfield code="c">©1983</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="300" ind1=" " ind2=" ">
      <marc:subfield code="a">1 online resource (iv, 30 pages) : </marc:subfield>
      <marc:subfield code="b">illustrations.</marc:subfield>
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      <marc:subfield code="a">text</marc:subfield>
      <marc:subfield code="b">txt</marc:subfield>
      <marc:subfield code="2">rdacontent</marc:subfield>
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    <marc:datafield tag="337" ind1=" " ind2=" ">
      <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:datafield tag="338" ind1=" " ind2=" ">
      <marc:subfield code="a">online resource</marc:subfield>
      <marc:subfield code="b">cr</marc:subfield>
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    <marc:datafield tag="490" ind1="1" ind2=" ">
      <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">1710</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">"This is the 41st Manuscript Report from the Western Region, Winnipeg."</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="500" ind1=" " ind2=" ">
      <marc:subfield code="a">Digitized edition from print [produced by Department of Fisheries and Oceans].</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="504" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes bibliographical references (page 5).</marc:subfield>
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    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"This report summarizes the changes which occurred in five lake basins during artificial enrichment with carbon, nitrate and phosphorus. Also discussed is the recovery of four of the basins. Data presented comes from studies of Lakes 227, 226 (north and south basins) and 302 (north and south basins). Included are 12 figures showing total biomass and percent composition and 12 tables listing common species found throughout this period"--Abstract, page iv.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="546" ind1=" " ind2=" ">
      <marc:subfield code="a">Includes abstracts in English and French.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Phytoplankton populations</marc:subfield>
      <marc:subfield code="z">Ontario, Northern.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="0">
      <marc:subfield code="a">Lakes</marc:subfield>
      <marc:subfield code="x">Fertilization</marc:subfield>
      <marc:subfield code="z">Ontario, Northern.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="650" ind1=" " ind2="6">
      <marc:subfield code="a">Phytoplancton</marc:subfield>
      <marc:subfield code="x">Populations</marc:subfield>
      <marc:subfield code="z">Ontario (Nord-Ouest)</marc:subfield>
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      <marc:subfield code="a">Lacs</marc:subfield>
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      <marc:subfield code="z">Ontario (Nord-Ouest)</marc:subfield>
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    <marc:datafield tag="710" ind1="1" ind2=" ">
      <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:datafield tag="710" ind1="1" ind2=" ">
      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Department of Fisheries and Oceans. </marc:subfield>
      <marc:subfield code="b">Western Region, </marc:subfield>
      <marc:subfield code="e">issuing body.</marc:subfield>
    </marc:datafield>
    <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">1710.</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">1.12 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2025/mpo-dfo/fs97-4/Fs97-4-1710-eng.pdf</marc:subfield>
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