Northwest;
Institute;
of;
Plateau;
Biology,;
the;
Chinese;
Academy;
of;
Sciences,;
Xining;
810001,;
China;
School;
of;
Geography;
and;
Environment,;
Jiangxi;
Normal;
University,;
Nanchang;
330022,;
China;
College;
of;
Pastoral;
Agriculture;
Science;
and;
Technology,;
Lanzhou;
University,;
Lanzhou;
730020,;
China;
Institute;
of;
Atmospheric;
Physics,;
the;
Chinese;
Academy;
of;
Sciences,;
Beijing;
100029,;
China;