摘要
分析了东川市土地退化现状:土地退化以水蚀为主,退化土地面积占总土地面积38.5%。土地退化类型主要有土壤退化、土地沙石化、土地石质化和侵蚀劣地。文章还探讨了东川市土地退化的原因,提出了土地退化防治对策。
Land degradation in Dongchuan city is analyzed. The land was degradedmainly due to water erosion. The degraded land takes 38. 5% of the total land ofDongchuan city. The types of land degradation are mainly soil degradation, stone-sandification and water erosion. In this paper, the causes of land degradation in Dongchuancity are discussed and the countermeasures are proposed.
出处
《灾害学》
CSCD
1998年第1期40-44,共5页
Journal of Catastrophology
基金
国家自然科学基金!49571002
关键词
荒漠化
水蚀
东川市
土壤侵蚀
土地退化
防治
Desertification, Water erosion, Dongchuan city, Countermeasures,Soil erosion