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An observational study of the carbon-sink strength of East Asian subtropical evergreen forests
Tan Zheng-Hong; Zhang Yi-Ping; Liang Naishen; Hsia Yue-Joe; Zhang Yong-Jiang; Zhou Guo-Yi; Li Yue-Lin; Juang Jehn-Yih; Chu Hou-Sen; Yan Jun-Hua; Yu Gui-Rui; Sun Xiao-Min; Song Qin-Hai; Cao Kun-Fang; Schaefer D. A.; Liu Yu-Hong
KeywordCarbon Climate Change Ecosystems Forestry Photosynthesis Tropics
Source PublicationEnvironmental Research Letters
2012
Volume7Issue:4
AbstractRelatively little is known about the effects of regional warming on the carbon cycle of subtropical evergreen forest ecosystems, which are characterized by year-round growing season and cold winters. We investigated the carbon balance in three typical East Asia subtropical evergreen forests, using eddy flux, soil respiration and leaf-level measurements. Subtropical evergreen forests maintain continuous, high rates of photosynthetic activity, even during winter cold periods. Warm summers enhance photosynthetic rates in a limited way, because overall ecosystem productivity is primarily restrained by radiation levels during the warm period. Conversely, warm climates significantly enhance the respiratory carbon efflux. The finding of lower sensitivity of photosynthesis relative to that of respiration suggests that increased temperature will weaken the carbon-sink strength of East Asia subtropical evergreen forests. 2012 IOP Publishing Ltd.
Indexed ByEI
Document TypeEI期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/31361
Collection历年回溯文献
生态系统网络观测与模拟院重点实验室_生态系统综合研究中心
Recommended Citation
GB/T 7714
Tan Zheng-Hong,Zhang Yi-Ping,Liang Naishen,et al. An observational study of the carbon-sink strength of East Asian subtropical evergreen forests. 2012.
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