Shanghai Key Laboratory of Urbanization & Ecological Restoration;
School of Life Science;
East China Normal University;
Shanghai 200062;
P. R. China;
State Key Laboratory of Vegetation and Environmental Change;
Institute of Botany;
Chinese Academy of Sciences;
Beijing 100093;
P. R. China;
National Institute for Environmental Studies;
16-2 Onogawa;
Tsukuba;
Ibaraki 3005-8056;
Japan;
Institute of Applied Ecology;
Chinese Academy of Sciences;
Shenyang 110016;
P. R. China;