草地灾害对西部生态系统重建的影响分析

本文以草地科学、生态科学、地球科学、资源与环境科学、社会科学和防灾科学为指导．通过总结国内外成败经验，评述了防御西部草地灾害的必要性，分析了造成草地严重退化的几种主要灾害类型．根据近几年来草地灾害给农牧业生产与人民生活造成的重大损失．系统地剖析人为因素和自然因素在其中的作用，探讨了草地灾害的成因．进而提出了恢复与重建的途径．用以指导植被恢复重建和生态环境建设，为西部大开发提供科学依据．

Study on the Harm of Sandstorm to the Development of the Western China

Sandstorm is a type of weather phenomenon with great damage,It accelerates land desertification,but also is the form of land desertification developed to a certain degree. In recent years,the tendency of the vegetative cover was from bad to worse in the westen China,the area of besertification was increased year by year.Sandstorm Occurred more frequertly.According to this Situation,it pats forward five countermeasures.i.e,comprchensive control,Strengthening research,perfecting legal system,increasing input,deepening the understanding.