1. a Provincial Key Laboratory of Mongolian Plateau's Climate System, Inner Mongolia Normal University, No. 81 Zhaowuda Road, Hohhot 010022, Inner Mongolia, China
2. b Inner Mongolia Restoration Engineering Laboratory of Wetland Eco-environment System, Inner Mongolia Normal University, No. 81 Zhaowuda Road, Hohhot 010022, Inner Mongolia, China
3. c College of Geographical Science, Inner Mongolia Normal University, No. 81 Zhaowuda Road, Hohhot 010022, Inner Mongolia, China