Plant Ecol. ISI Document Delivery No.: 288OY Times Cited: 0 Cited Reference Count: 57 Yang, Shi-Jian Sun, Mei Zhang, Yong-Jiang Cochard, Herve Cao, Kun-Fang National Natural Science Foundation of China [31170399]; Science Foundation of the Chinese Academy of Sciences 135 Program [XTBG-T01] The authors are grateful to Megan K. Bartlett (University of California Los Angeles, USA) for her valuable suggestions for the manuscript. We also thank the Ailaoshan Station for Subtropical Forest Ecosystem Studies (ASSFE) for logistic support and facilities. This research was financially supported by National Natural Science Foundation of China (Grant No. 31170399) and the Science Foundation of the Chinese Academy of Sciences 135 Program (XTBG-T01). Springer Dordrecht