of;
Pastoral;
Agriculture;
Science;
and;
Technology;
Lanzhou;
University;
Lanzhou;
730020;
P.R.China;
Grassland;
Research;
Institute;
Chinese;
Academy;
of;
Agricultural;
Sciences;
Huhhot;
010010;
P.R.China;
植被群落; 经济; 牧民; 荒漠草原; 群落生物量; 水; 草场; 地上生物量;