Estimation of the changes in radial growth and wood quality of the major tree species in Japan in response to climate change

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The climatic responses of tree-ring widths and densities of the major tree species in Japan (Cryptomeria japonica, Chamaecyparis obtusa, Larix kaempferi, Fagus crenata) were analyzed by a dendrochronological technique for estimation of the changes in radial growth and wood quality in response to climate change. The ring widths of Cryptomeria japonica and Chamaecyparis obtuse positively correlated with temperature of winter and early spring regardless of the growing sites. The ring widths of Fagus crenata growing in cooler sites positively correlated with summer temperature, whereas those in warmer sites did not reveal correlations with summer temperature. The climate responses of ring widths of Larix kaempferi differ along the sites.