甘肃省土地退化类型特征及其驱动力分析  

Land Degeneration Type Characteristic and Its Driving Force in Gansu Province

作　　者：尚正永[1] 

机构地区：[1]淮阴师范学院地理系

出　　处：《水土保持研究》2007年第5期225-227,229,共4页Research of Soil and Water Conservation

基　　金：国家自然科学基金重点项目(40131010)资助

摘　　要：随着经济发展,资源开发规模和强度不断加大,甘肃省的生态环境日趋脆弱,生态功能逐渐减弱,土地退化问题十分严重。分析了甘肃省土地退化的主要类型特征,并从自然与人文两个方面对甘肃省土地退化的驱动力进行了探讨,在此基础上提出了防治土地退化的主要策略。Guansu Province is located in northwest of China, with the development of economy and increases of resource exploitation, the environment and zoology function in Guansu Province are becoming more flimsy, and the problem of land degeneration is very severe. Based on analyzing the land degeneration type characteristic in Guansu Province and discussing the driving force of land degeneration from natural and social aspects, the countermeasures are put forward to prevent and cure land degeneration in Guansu Province.

关 键 词：土地退化 类型特征 驱动力 甘肃省 

分 类 号：S151.1[农业科学—土壤学]