Change of community structure of altocherbiprata under different utilization ways

The community structure was studied under grazing,mowing-grazing or mowing in mountain tall meadow.The results showed that: 1) Biomass and height were grazing-mowingmowinggrazing.2) Vegetable has different important value in different utilization ways.The proportion of grass was increasing and forbs were reducing on pasture of mowing-grazing.There aren't obviously changed in proportion of grass and forbs between grazing and mowing.