川西北草地沙漠化现状与防治对策研究

川西北高原草地沙漠化主要由气候、地质地貌、鼠兔虫害、过度放牧及不合理开发利用等方面因素综合影响造成。草地沙漠化不仅影响牧区生产生活与经济发展,而且还威胁到长江和黄河流域的社会经济可持续发展。为此,须采取部门配合、综合监测、林草结合、防止鼠兔危害、围栏防踏和生态性开发等综合措施加以防治。

Research on the Present Situation of Desertification of Grassland in Northwest Sichuan and its Control Measures

The desertification of grassland in northwest Sichuan resulted from various disadvantageous factors,such as climate,topographic features,pests of rats,rabbits and insects,excessively grazing and irrational exploitation.The desertification of grassland not noly affects the production and economic development in the pastoral area,but also threatens the sustainable development of society and economy in the Yangtze River Valley and the Yellow River Valley.And therefore,ecological and comprehensive measures should be taken to control and prevent the desertification.