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      <marc:subfield code="a">Hall, J. Peter, </marc:subfield>
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      <marc:subfield code="p">The effects on Canada's forests / </marc:subfield>
      <marc:subfield code="c">written by P. Hall [and 8 others].</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (pages 37-46).</marc:subfield>
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      <marc:subfield code="a">"The maintenance of the health of Canada's forest ecosystems is an important prerequisite to national and global forest sustainability. RemediaI and preventative strategies formulated to address forest health must consider as a key factor the potential impacts of atmospheric pollution, particularly acid rain, on forests. This assessment reviews findings, highlights current trends and provides direction to strengthen national programs aimed at addressing acid rain issues; and focuses the links of science with policy"--Executive summary.</marc:subfield>
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