【摘要】 中国的主要自然生态麻烦大多集中在大西北草原地区,形成严重的荒漠化问题,如干旱、水蚀、风蚀、草原退化、盐碱化等。大面积草被既保护了大西北的土地,又是我国东部精华地区的屏障。从战略上,国家战略层面上要增加投入、努力恢复并建设好大西北草原。更多还原

【Abstract】 A lot of ecological troubles,such as drought,soil erosion,desertification,salinization of soil,etc.,were converged in Northwest of China where a good cover of herbage but not forest protect the grassland as well as the regions of East China avoiding the ecological troubles.Currently there are some mistaken politics against desertification.Building up the North-West prairie as a main ecological defense was a strategic measure of sustainable development of China.更多还原