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      <marc:subfield code="a">Preston, Caroline M., </marc:subfield>
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      <marc:subfield code="a">Chemical and ³¹P NMR characterization of soil P in coastal forest chronosequences of southern Vancouver Island : </marc:subfield>
      <marc:subfield code="b">effects of climate and disturbance / </marc:subfield>
      <marc:subfield code="c">Caroline M. Preston and J.A. Trofymow.</marc:subfield>
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      <marc:subfield code="a">Victoria, British Columbia : </marc:subfield>
      <marc:subfield code="b">Natural Resources Canada, Canadian Forest Service, Pacific Forestry Centre, </marc:subfield>
      <marc:subfield code="c">[1998]</marc:subfield>
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      <marc:subfield code="a">1 online resource (pages 46-47) : </marc:subfield>
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      <marc:subfield code="a">"Pages 46-47 in J.A. Trofymow and A. MacKinnon, editors. Proceedings of a workshop on Structure, Process, and Diversity in Successional Forests of Coastal British Columbia, February 17-19, 1998, Victoria, British Columbia. Northwest Science, Vol. 72 (special issue No. 2)."</marc:subfield>
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      <marc:subfield code="a">Includes bibliographical references (page 47).</marc:subfield>
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      <marc:subfield code="a">"After N, P is the second-most important nutrient limiting growth in old-growth cutovers in areas of high rainfall on northern Vancouver Island, a situation which may affect large areas of coastal British Columbia (BC). Climatic differences affect P cycling in forests; after harvest disturbance, the high rainfall on most of the west coast may increase the possibility of losses of P due to leaching. Despite the controversies surrounding forestry in coastal BC, little is known about key nutrients such as P. In forests, much of the plant-available P is in organic forms that can be analysed by solution ³¹P nuclear magnetic resonance (NMR) spectroscopy of NaOH extracts. This study examined zonal differences in P forms and availability in the Coastal Forest Chronosequence (CFC) sites of Vancouver Island"--Introduction, page 46.</marc:subfield>
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      <marc:subfield code="a">Forest soils</marc:subfield>
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      <marc:subfield code="a">Soils</marc:subfield>
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      <marc:subfield code="z">British Columbia</marc:subfield>
      <marc:subfield code="z">Vancouver Island.</marc:subfield>
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      <marc:subfield code="a">Nuclear magnetic resonance spectroscopy.</marc:subfield>
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      <marc:subfield code="a">Sols forestiers</marc:subfield>
      <marc:subfield code="z">Colombie-Britannique</marc:subfield>
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      <marc:subfield code="a">Sols</marc:subfield>
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      <marc:subfield code="z">Vancouver, Île de.</marc:subfield>
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      <marc:subfield code="a">Spectroscopie de la résonance magnétique nucléaire.</marc:subfield>
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      <marc:subfield code="a">Pacific Forestry Centre, </marc:subfield>
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      <marc:subfield code="u">https://publications.gc.ca/collections/collection_2022/rncan-nrcan/Fo144-13-1998-eng.pdf</marc:subfield>
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