关键词: 毛乌素地区, 土地利用, 沙漠化

Abstract: The land-use and land desertification development in the Mu Us Sandland region were studied through field investigation and by remote monitoring method. The results indicate the proportion of desertification land area in the whole area of land is 85.98% in the middle period of the 1980s while 86.07% in the end stage of the 1990s.That is, the area of desertification land of the whole area tends towards stability though a little increment. The desertification degree is aggravated to some extents that extremely desertification land area adds up to 3.6% of the whole area. One of the most important reasons of desertification developing is that human utilize land unreasonably, which successfully triggers the desertification processes. At last, Based on the relationship of sandy desertification and land-use, some suggestions have been put forward to adjust both structure of agriculture and manner of land-use so as to manage the land desertification in the Mu Us Sandland region.

Key words: Mu Us sandland region, land-use, sandy desertification