[1] Center of “Sannong” Study, Jiangxi Agricultural University, No. 1101 Zhimin Avenue, Changbei Economic and Technological Development Zone, Nanchang
[2] Institute of Mountain Hazards and Environment, Chinese Academy of Sciences & Ministry of Water Conservancy, No.9, Block 4, Renminnan Road, Chengdu
[3] Sichuan Center for Rural Development Research, College of Management of Sichuan Agricultural University, No. 211, Huimin Road, Wenjiang District, Chengdu