| 摘要: |
| 通过查阅历史文献和实地考察等手段，重点研究了从唐朝中后叶至今毛乌素沙漠的沙化过程及其驱动因素。结果表明，从气候学的角度来看，除了元朝的气候条件有利于沙漠固定外，其他朝代和现在的气候条件均有利于该地区的沙化；毛乌素地区在唐宋及明朝时期，是抗击外掳的军事要地。军垦、农垦严重，此外战争的践踏及土地的撩荒促进了该地区的沙化；从清代开始我国人口开始膨胀。从外地迁往该地的人口较多，新中国成立以来。人口迅速增长，繁重的人口承载加重了该地区的垦殖、过牧和樵采，进而促进了该区的沙化。 |
| 关键词: 毛乌素沙漠 沙漠化 沙化历史 |
| DOI： |
| 分类号: |
| 基金项目:国家自然科学基金项目（30170539） |
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| Study on the process of desertification of Mu Us desert |
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| Abstract: |
| In the paper,the process of desertification of Mu Us decert and chief factors from the tang dynasty to now were mainly discucssed.According to climate variation,dryness has been on from then to now,except wetness during the Yuan dynasty(only about 100 years);In the Tang dynasty and the Song dynasty,Mu Us was the military base,which destroyed grassland very seriously;From the Qing dynasty to now,with the increase of population,overgrazing,cultivating and excavating became more and more serious,so environment has deteriorated further. |
| Key words: Mu Us desert desertification history of desertification |
