Relationships between Climate and Tree-Rings of Pinus densiflora in the Ridges of the Baekdudaegan, Korea

백두대간 마루금일대 소나무의 연륜생장과 기후와의 관계

  • Park, Sang-Gon (Department of Forestry, Kyungpook National University) ;
  • Joo, Sung-Hyun (Department of Forestry, Kyungpook National University) ;
  • Lee, Kwang-Hee (Yeongnam Institute of Cultural Properties) ;
  • Park, Won-Kyu (Department of Wood and Paper Science, Chungbuk National University)
  • Received : 2010.08.19
  • Accepted : 2010.10.19
  • Published : 2010.10.31

Abstract

To examine the relationship between climate and tree-ring growth of Pinus densiflora S. et Z. growing in the ridges of the Baekdudaegan, it was analyzed the sample cores of 48 trees were collected from 21 sites. After the pattern of tree rings of all Pinus densiflora were cross-dating each other, it was recognized the growth of Pinus densiflora was affected by climate largely when tree-ring chronologies were standardized to remove the age-related growth. As a cluster analysis was conducted to examine the similarity of chronologies, three clusters were classified, the tree-ring growths of Pinus densiflora was not by regional or elevational gradients but by the growth tree-ring width amplitude as micro-site growth environments. Correlation coefficients between the chronologies of three clusters and monthly climate (temperature and precipitation) factors were obtained. As a result, tree-ring growth of Pinus densiflora was more affected by temperature than precipitation and the trees of high-growth cluster possessed less climatic influences.

백두대간의 마루금일대에 자라는 소나무 연륜생장과 기후와의 관계를 알아보기 위하여 21개 지역에서 48본 시료의 연륜을 분석하였다. 모든 지역의 소나무 연륜패턴이 서로 크로스데이팅 되어 우리나라 소나무의 생장이 기후에 크게 영향을 받는다는 것을 알 수 있었다. 이들 연륜연대기는 3개의 군집으로 구분할 수 있었는데, 지역적으로 그리고 해발 고도에 따라 분류되지 않아 백두대간에 분포하는 소나무의 연륜생장은 지역이나 고도보다는 미소 (microsite) 생육환경에 따른 생장량의 대소에 따라 분류되는 것을 알 수 있었다. 백두대간 소나무의 연륜생장과 기후(월 강수량과 월 평균기온)와의 관계를 상관계수로 분석한 결과, 백두대간 소나무의 연륜생장은 강수보다는 기온에 영향을 많이 받으며, 생장이 양호한 군집이 기후의 영향을 덜 받는 것으로 나타났다.

Keywords

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