农牧交错带农田景观格局对土地生态环境安全的影响——以呼和浩特市为例

Affection of farmland landscape pattern to LandEcological Environment Security in the farming stock-raising——For example Huhhot City

在GIS支持下,利用卫星遥感影像提供的信息和非遥感信息想结合的方法,获得研究区农田景观空间分布格局和生态环境现状数据资料。从区域农田生态系统特点和地区土地生态安全角度出发,通过对市域农田景观空间格局特征及其对土地生态环境安全影响的分析,显示出农田景观格局的空间差异性与破碎度高是农牧交错地区土地生态环境安全的重要影响因素。调整土地利用结构、加强地区土地整理与生态农业建设投入,是保证区域土地生态环境安全,促进区域社会经济可持续发展的主要途径。

Under the GIS support, obtaining data material of famaland landscape pattern and ecological environment with RS and other information at present. Form feature of farmland eccsytem and ecological security angle of the region set out, analyzing affection of farmland landscape pattern to ecological environment, bring to light that spatial heterogeneity and fragmented of farmland landscape pattern are inportant influence factor to land ecological environment security in the farming stock-raising in this paper. It is mainly method to assure area land ecological environment security, and to promote area economy and society developing sustainable that through adjusting structure of land use and agricultural , Increased invesment to land consolidation , and construction of ecological agriculture.