The primary biomass of the grasslandcommunity decreased with increasing grazing intensity.
较大的放牧压力下，群落中适口性差、耐牧的杂类草植物渐趋 增加。
2
The distribution of flowering phase of plant in grasslandcommunity was studied by localized observation on phenological phase of species.
通过草地群落物种物候期定位观测，研究了植物种的花期分布规律。
3
Similar index of the bird community of the burned forests areas and the brush grassland was high, however, and the artificial Mongolian pine forests were low.