1. School of Economics and Management, Shaanxi University of Science & Technology, Xi’an, China
2. Northwest University of Politics and Law, Xi’an, China
3. School of Law, Lanzhou University of Technology, Lanzhou, China
4. Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang, China
5. Academy of Plateau Science and Sustainability, Qinghai Normal University, Xining, China