<?xml version="1.0" encoding="UTF-8"?><marc:collection xmlns:marc="http://www.loc.gov/MARC21/slim">
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      <marc:subfield code="a">eng</marc:subfield>
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      <marc:subfield code="a">Anderson, J. M. </marc:subfield>
      <marc:subfield code="q">(Janet May)</marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="245" ind1="1" ind2="0">
      <marc:subfield code="a">Effects of acid precipitation on wetlands / </marc:subfield>
      <marc:subfield code="c">by Janet M. Anderson.</marc:subfield>
    </marc:datafield>
    <marc:datafield tag="264" ind1=" " ind2="1">
      <marc:subfield code="a">[Ottawa] : </marc:subfield>
      <marc:subfield code="b">Lands Directorate, Conservation and Protection, Environment Canada, </marc:subfield>
      <marc:subfield code="c">December 1986.</marc:subfield>
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      <marc:subfield code="a">online resource</marc:subfield>
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      <marc:subfield code="a">Working paper ;  </marc:subfield>
      <marc:subfield code="v">no. 50</marc:subfield>
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      <marc:subfield code="a">"December 1986." </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">On cover: Acid precipitation research.</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references.</marc:subfield>
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    <marc:datafield tag="520" ind1="3" ind2=" ">
      <marc:subfield code="a">"The effects of acid precipitation on wetlands have only recently become the focus of extensive research. This report summarizes existing information on the sensitivity of wetlands to acid precipitation and provides recommendations for future research"--Abstract.</marc:subfield>
    </marc:datafield>
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      <marc:subfield code="a">Includes abstract in French.</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="2">gccst</marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
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      <marc:subfield code="a">Canada. </marc:subfield>
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    <marc:datafield tag="830" ind1="#" ind2="0">
      <marc:subfield code="a">Working paper (Canada. Lands Directorate)</marc:subfield>
      <marc:subfield code="v">no. 50</marc:subfield>
      <marc:subfield code="w">(CaOODSP)9.826244</marc:subfield>
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      <marc:subfield code="q">PDF</marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2019/eccc/en73-4/En73-4-50-eng.pdf</marc:subfield>
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