论草地灾害对西部生态系统重建的影响

试图综合运用草地科学、生态科学、地球科学、资源与环境科学、社会科学和防灾科学等方面的理论,通过总结国内外成败经验,评述防御西部草地灾害的必要性.分析造成草地严重退化的几种主要灾害类型。特别是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,系统地剖析了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,以期有助于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。

Impact of Grassland Disasters on the Restructuring of Western Ecosystem

By integrating different theories concerning grassland science, ecological science, earth science, resources and environment science, social science and disaster prevention science, this paper deals with the necessity of preventing grassland disasters in western regions, followed by an analysis of the major types of disasters, especially the disasters in the past few years that have caused great losses. In the latter part, it presents a study of the natural and human factors that may contribute to disasters, and proposes ways to revive the grassland and restructuring the ecosystem in the western region.