禁牧对巴林右旗天然草地生产力及植被组成的影响

Effects of Banning Grazing on Grassland Productivity and Vegetation Composition in Balinyou Banner of Inner Mongolia

在内蒙古自治区巴林右旗不同草地类型测定了未禁牧、禁牧当年以及禁牧4年后草地生产力和植被群落构成的变化,结果表明:禁牧能够明显提高天然草地的草地生产力;对天然草地的植被组成有明显的改善作用。

Vegetation conditions of whole yearly grazing--banned grasslands in Balinyou Banner of Inner Mongolia were monitored. Primary productivity and vegetation composition on grassland of various types were measured in the previous two years just before the banning, at the year of banning and at the 4th year after the banning. The results showed that banning grazing had significant effects on grassland in terms of increasing primary productivity and changing vegetation composition. Herbage yield in the grazing banned grassland had doubled after banning grazing. Percentages of grasses and legumes in the vegetation obviously increased.