亚热带典型地区土地退化对生态环境的影响——以江西兴国县为例  

Influence of Land Degradation on Environment in Typical Subtropical Region——A Case Study in Xingguo County of Jiangxi Province

作　　者：程先富[1,3] 张定祥[2] 王洪杰[3] 

机构地区：[1]安徽师范大学地理系,芜湖241000 [2]中国土地勘测规划院,北京100029 [3]中国科学院南京土壤研究所土壤与农业可持续发展国家重点实验室,南京210008

出　　处：《水土保持研究》2007年第5期25-27,共3页Research of Soil and Water Conservation

基　　金：国家重点基础研究规划项目(G1999011810);国家自然科学基金项目(49971039)

摘　　要：土地退化不仅是当前全球重大的环境问题之一,而且是重大经济和社会问题之一。以兴国县的实地调研为依据,简述了兴国县的土地退化状况,分析了土地退化的原因和过程,论述土地退化对生态环境的影响,提出了土地退化调控对策。Land degradation is not only a great environmental problem at present, but a great economic and social problem. Land degradation in subtropical region of China is mainly formed by water erosion. Based on survey, the land degradation status was briefly described in Xingguo county. The reason and process of land degradation were analysed, Influence of land degradation on environment was discussed in detail. Countermeasures were raised for controlling land degradation.

关 键 词：土地退化 土壤侵蚀 生态环境 亚热带典型地区 

分 类 号：S157.1[农业科学—土壤学]