Journal of Environmental Science International (한국환경과학회지)

The Korean Environmental Sciences Society (한국환경과학회)
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Comparisons on Relative Growth of Red Pine, Black Pine and Pitch Pine by Means of Multiple Regression

다중회귀분석법에 의한 소나무, 곰솔 및 리기다소나무의 상대성장 비교

  • Park, Man-Choon (Department of Biological Sciences, University of Ulsan) ;
  • Lee, Yun-Keun (Department of Biological Sciences, University of Ulsan) ;
  • Choi, Kee-Ryong (Department of Biological Sciences, University of Ulsan)
  • Received : 2009.09.24
  • Accepted : 2009.11.30
  • Published : 2010.03.31
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Abstract

The purpose of this study is to compare the relative growth of annual ring width of red pine(Pinus densiflora), black pine(Pinus thunbergii) and pitch pine(Pinus rigida) by means of multiple regression method according to Graybill hypothesis. The obtained results are as follows. 1. The changes of rainfall have affected to tree growth during the periods of 1975 through 1978. 2. Among these pine trees, red pine was mostly influenced by environmental factors. 3. The growth of annual ring width was sensitively responded to the changes of rainfall and air temperature. 4. Among the heavy metals analyzed, the concentrations(ppm) of Lead(Pb) and Copper(Cu) were negatively effected on the growth of annual ring width of pine trees. 5. The analytical technique of annual ring width may be useful for estimation of the pollution in forest areas near industrial complexes.

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References

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