[Hu, Wenmin;Wang, Zhongcheng;Li, Chunhua;Zhao, Jin] Cent South Univ Forestry & Technol, Coll Forestry, LinDa Rd 1, Changsha 410002, Hunan, Peoples R China.^[Li, Yi] Hunan Agr Univ, Coll Resources & Environm, Nongda Rd 1, Changsha 410002, Hunan, Peoples R China.