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    <marc:controlfield tag="003">CaOODSP</marc:controlfield>
    <marc:controlfield tag="005">20241203113640</marc:controlfield>
    <marc:controlfield tag="007">cr |||||||||||</marc:controlfield>
    <marc:controlfield tag="008">171109s1983    onca|||fo    f000 0 eng d</marc:controlfield>
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      <marc:subfield code="a">eng</marc:subfield>
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      <marc:subfield code="a">En13-5/83-12E-PDF</marc:subfield>
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      <marc:subfield code="a">Halfon, Efraim.</marc:subfield>
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      <marc:subfield code="a">The composition of particulate organic matter in the euphotic zone of Lake Superior </marc:subfield>
      <marc:subfield code="h">[electronic resource] / </marc:subfield>
      <marc:subfield code="c">by Efraim Halfon.</marc:subfield>
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      <marc:subfield code="a">Burlington, Ont. : </marc:subfield>
      <marc:subfield code="b">National Water Research Institute,</marc:subfield>
      <marc:subfield code="c">[1983].</marc:subfield>
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      <marc:subfield code="a">21, [18] p. : </marc:subfield>
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      <marc:subfield code="a">Cover title.</marc:subfield>
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      <marc:subfield code="a">"Running head -  Particulate organic matter in Lake Superior".</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">Includes bibliographical references.</marc:subfield>
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      <marc:subfield code="a">"The distribution of particulate material between biological living material and either decaying organic or inorganic material in a lake has an important influence on the relationships between the nutrient contents and biological production levels. This paper examines observational data collected during the intensive studies of Lake Superiour under the International Joint Commission, Upper Lakes Reference"--Exec. overview.</marc:subfield>
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      <marc:subfield code="a">Includes abstracts in French.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
      <marc:subfield code="b">Environment Canada.</marc:subfield>
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      <marc:subfield code="a">National Water Research Institute (Canada)</marc:subfield>
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      <marc:subfield code="a">NWRI contribution ;</marc:subfield>
      <marc:subfield code="v">no. 83-12</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.844121</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
      <marc:subfield code="s">1.75 MB</marc:subfield>
      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2017/eccc/En13-5-83-12-eng.pdf</marc:subfield>
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