Lanhai Li¹, Ismail Tokbergenov², Gulnura Issanova³, Xi Chen¹, Jiansheng Hao¹ and Shuai Fu⁴, (1)Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China, (2)Seifulin Kazakh Agrotechnical University, Nur Sultan, Kazakhstan, (3)Kazakhstan National University, Almaty, Kazakhstan, (4)Jiangxi University of Finance and Economics, School of Tourism and Urban Management, Nanchang, China