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      <marc:subfield code="a">Howell, Geoffery, </marc:subfield>
      <marc:subfield code="e">author.</marc:subfield>
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      <marc:subfield code="a">An assessment of LRTAP acidification of surface waters in Atlantic Canada / </marc:subfield>
      <marc:subfield code="c">by Geoffrey D. Howell and Peter Brooksbank.</marc:subfield>
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      <marc:subfield code="a">Moncton, New Brunswick : </marc:subfield>
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      <marc:subfield code="c">[1987]</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">"IW/L-AR -WQB- 87-121."</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 116-126).</marc:subfield>
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      <marc:subfield code="a">"This report analyses lake and river water quality data from Atlantic Canada in an attempt to provide a regional overview of the terrain sensitivity and the extent of LRTAP induced acidification. Southwestern Nova Scotia, northern Cape Breton Island and the west and south coast of Newfoundland have been identified as the areas which are the most sensitive to acidification. Surface waters in these areas show signs of acidification resulting from the combined effects of acid loadings from natural (i.e. organic acids) and anthropogenic (LRTAP) source"--Abstract, page iii.</marc:subfield>
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      <marc:subfield code="a">Includes abstract in French.</marc:subfield>
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      <marc:subfield code="a">Acid pollution of rivers, lakes, etc.</marc:subfield>
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      <marc:subfield code="a">Acid rain</marc:subfield>
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      <marc:subfield code="a">Water quality</marc:subfield>
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      <marc:subfield code="a">Pollution acide des cours d'eau, lacs, etc.</marc:subfield>
      <marc:subfield code="z">Provinces de l'Atlantique.</marc:subfield>
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      <marc:subfield code="a">Eau</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="u">https://publications.gc.ca/collections/collection_2025/eccc/en37/En37-598-1987-eng.pdf</marc:subfield>
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