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      <marc:subfield code="a">Skinner, W. R.</marc:subfield>
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      <marc:subfield code="a">Vegetational responses to natural and anthropogenic change in the St. Clair River Delta </marc:subfield>
      <marc:subfield code="h">[electronic resource] / </marc:subfield>
      <marc:subfield code="c">W.R. Skinner.</marc:subfield>
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      <marc:subfield code="a">[Hull, Quebec : </marc:subfield>
      <marc:subfield code="b">Canadian Environmental Assessment Research Council], </marc:subfield>
      <marc:subfield code="c">1986.</marc:subfield>
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      <marc:subfield code="a">45, [3] p. : </marc:subfield>
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      <marc:subfield code="a">"March 1986."</marc:subfield>
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      <marc:subfield code="a">Digitized edition from print [produced by Canadian Environmental Assessment Agency].</marc:subfield>
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      <marc:subfield code="a">Includes bibliographic references.</marc:subfield>
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      <marc:subfield code="a">"The analysis of annual growth-rings of trees in the St. Clair River delta provides an opportunity to study past vegetational responses to natural and anthropogenic environmental change. The knowledge gained from this study will aid in the prediction of future changes as prediction requires a thorough knowledge of past changes coupled with an understanding of the processes which are responsible for such changes"--[Prefatory note].</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="t">Vegetational responses to natural and anthropogenic change in the St. Clair River Delta / </marc:subfield>
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