1CAS Key Laboratory of Mountain Ecological Restoration and Bioresource Utilization & Ecological Restoration and Biodiversity Conservation Key Laboratory of Sichuan Province, Chengdu Institute of Biology, Chinese Academy of Science, P.O Box 416, Chengdu 61004, China.
2College of Life Science, Neijiang Normal University, Neijiang 641000, Sichuan, China
3School of Geography and Resources Science, Neijiang Normal University, Neijiang 641000, Sichuan, China