Short-term gas exchange responses of Betula utilis to simulated global warming in a timberline ecotone, eastern Tibetan Plateau, China
XU Zhen-Feng, HU Ting-Xing, ZHANG Li, ZHANG Yuan-Bin, XIAN Jun-Ren, WANG Kai-Yun
Chin J Plant Ecol . 2010, (3): 263 -270 .  DOI: 10.3773/j.issn.1005-264x.2010.03.003