准噶尔盆地南缘沙化土地成因及危害探析  

Study on the Causes and Harm of Land Sandification at Southern Margin of Junggar Basin

作　　者：孙景梅[1] 

机构地区：[1]国家林业局西北林业调查规划设计院,西安710048

出　　处：《内蒙古林业调查设计》2009年第6期19-21,共3页Inner Mongolia Forestry Investigation and Design

摘　　要：丰富的沙物质来源和干旱的气候及风动力条件是土地沙化发生发展的自然因素,人类不合理的开发活动,在自然因素的基础上对土地沙化起到了激发和促进作用。自然因素和人为因素的双重作用,为准噶尔盆地南缘土地沙化发展提供了必要条件。土地沙化不仅危害当地群众的生存环境,导致农田、牧场土地退化,而且对当地经济社会和谐发展构成不利影响,制约经济发展。Rich sands, drought climate and windy dynamics are natural factors of generation and spread of land sandification. Unreasonable exploitation by mankind stimulates and accelerates land sandification on the basis of natural factors. Both nature factors and human factors are necessary condition to land sandification at south margin of Junggar Basin. Land sandification not only harms existence environment of local residents, brings about degradation of farm and pasture, but also has unfavorable effect on harmonious development of local economy and society, restricts economical development.

关 键 词：沙化土地 成因 危害 

分 类 号：S288[农业科学—农业水土工程]