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Chinese Journal of Applied Ecology. 2014, (07) Core

Tree-ring growth responses of Mongolian oak（ Quercus mongolica） to climate change in southern Northeast: A case study in Qianshan MountainsChinese Full Text

LI Teng;HE Xing-yuan;CHEN Zhen-ju;State Key Laboratory of Forest and Soil Ecology,Institute of Applied Ecology,Chinese Academy of Sciences;University of Chinese Academy of Sciences;Forestry College,Shenyang Agricultural University;Research Station of Liaohe-River Plain Forest Ecosystem,Chinese Forest Ecosystem Research Network;

Abstract: Mongolian oak is one of the most important broad-leaved tree species in forests,Northeast China. Based on the methodology of dendrochronology,the variations of tree ring radial growth of Mongolian oak in Qianshan Mountains,south of Northeast China,were analyzed. Combined with the temperature and precipitation data from meteorological stations since 1951,the relationships between standardized tree ring width chronology and main climatic factors were analyzed. In this region,the precipitation between April and July of the current year had an significant relationship with the tree ring width of Mongolian oak,and was the main factor limiting the radial growth. The extreme maximum temperature of May was also a key factor influencing the tree ring width,which had a significant on the tree ring width of Mongolian oak. The precipitation in April had a significant and stable relationship with the growth of Mongolian oak since the 1950 s. The ‘divergence problem’was found in the study area,which the sensitivity of tree growth to summer temperature reduced since the 1980 s. The tree growth response to temperature showed a seasonal change from summer to spring.
Keywords：

Mongolian oak; tree ring; climate change; radial growth; climate response.;

  • DOI：

    10.13287/j.1001-9332.2014.0124

  • Series：

  • Subject：

  • Classification Code：

    S716.3

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