摘要
中国是受土地沙漠化严重危害的国家之一,目前我国土地沙漠化仍然呈增加趋势。综述了我国土地沙漠化的现状及目前的主要治理方法。防风固沙和解决水资源是沙漠治理的两个关键问题,其技术措施有工程治理、植物治理和汲水、输水、灌溉等。对不同技术间的优缺点作了比较。
China is one of the most serious countries suftering from laud desertification disaster in the world. The land desertification areas appear increasing trend. The status and control methods of land desertification in China are described. The two key problems of control of desertification are sand dune fixation and irrigation. The techniques and measures include engineering and botanic control, drawing and transportation of water, irrigation, and so on. Then, a comparison among them is given.
基金
安徽省教育厅自然科学研究项目(KJ2007B347ZC).
关键词
土地沙漠化
治理
沙障
沙生植物
微灌
Land desertification
Control methods
Sand-barrier
Psammophyte
Micro irrigation