Effects of Climate on the Radial Growth of Japanese beech (<i>Fagus crenata</i>) at Various Sites in Japan

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  • 日本各地に生育するブナの肥大成長に影響する気候要素
  • ニホン カクチ ニ セイイク スル ブナ ノ ヒダイ セイチョウ ニ エイキョウ スル キコウ ヨウソ

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Abstract

<p>To understand the effects of climate change on radial growth of Japanese beech (Fagus crenata), we developed thirteen ring-width residual chronologies for living trees growing at various sites in Japan. Pearson's correlation coefficients and principal components were calculated for the sites. The chronologies at lower altitudes of Tohoku and Hokkaido revealed similarity of ring-width variations. Correlation and response function analyses performed between the site chronologies and climate records (monthly average temperatures, monthly precipitation and monthly sunshine duration) revealed common climatic responses for some combinations of sites in Tohoku and Hokkaido, but they were not common for all sites. In other regions, no common climate response was observed except for the combination of Kochi and Ehime. Running correlations over time revealed changes in significant correlations between the chronologies and the meteorological data at most sites. Therefore we concluded that the climatic responses of Japanese beech vary with local site conditions. In addition, the limiting climate factors changed with time.</p>

Journal

  • Mokuzai Gakkaishi

    Mokuzai Gakkaishi 64 (5), 171-186, 2018-10-25

    The Japan Wood Research Society

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