Yanbin Hao a,b, Yanfen Wang b,*, Xiangzhong Huang a,b, Xiaoyong Cui c,d,
Xiaoqi Zhou b, Shiping Wang c, Haishan Niu d, Gaoming Jiang a
a Laboratory of Quantitative Vegetation Ecology, Institute of Botany, Chinese Academy of Sciences, Nanxincun 20, Beijing 100093, China
b Department of Biology, Graduate University of the Chinese Academy of Sciences, Beijing 100049, China
c Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining 810008, China
d Department of Resources and Environment, Graduate University of the Chinese Academy of Sciences, Beijing 100049, China
Received 29 June 2006; received in revised form 20 October 2006; accepted 16 May 2007