[Yuan, Chuan; Yuan, C; Yue, Xiaoping] Zhejiang A&F Univ, Coll Forestry & Biotechnol, Hangzhou 311300, Peoples R China.
[Yuan, Chuan; Yuan, C; Tang, Qiang] Southwest Univ, Sch Geog Sci, Chongqing Jinfo Mt Karst Ecosyst, Natl Observat & Res Stn, Chongqing 400715, Peoples R China.
[Zhang, Yafeng] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Shapotou Desert Res & Expt Stn, Lanzhou 730000, Peoples R China.
[Zhang, Yu] Hebei Normal Univ, Sch Geog Sci, Shijiazhuang 050024, Peoples R China.
[Xiang, Wenhua; Hu, Yanting] Cent South Univ Forestry & Technol, Fac Life Sci & Technol, Changsha 410004, Peoples R China.