Xi Chen¹, Murat Zhurinov², David Blank³, Abdusattor Saidov⁴, Murat Dzhumataev⁵, Wenjiang Liu⁶, Yaoming Li⁷ and Lanhai Li¹, (1)Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China, (2)Kazakhstan Academy of Sciences, Almaty, Kazakhstan, (3)Research Center for Ecology and Environment of Central Asia, Bishkek, Kyrgyz, (4)Academy of Sciences of the Republic of Tajikistan, Dushanbe, Tajikistan, (5)The National Academy of Sciences of the Republic of Kyrgyzstan, Bishkek, Kyrgyz, (6)xinjiang institute of ecology and geography,CAS, Urumqi, China, (7)Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Ulumqi, China