内蒙古多伦县土地利用现状分析

利用 3S技术和 PCA,CLAUSTURE方法对多伦县土地利用现状和存在问题进行了分析 ,结果如下 :1 )多伦县土地利用结构充分反映其农牧交错地带的特征 ,草场、耕地、其它类土地 (以沙地为主 )以“三三制”构成 ,并且农耕地、沙地较多而林地较少 .2 )多伦县耕地中旱地占绝大多数 ,生产效率较低 .3)多伦县草场牲畜超载过牧严重 ,80 %发生了不同程度的退化 .4 )生态环境建设是多伦县今后工作的重点之一 ,它不仅关系到本地区的农牧业可持续发展 ,而且将为滦河上游水源地的保护起到积极的作用 .5)多伦县的地缘优势和资源优势为其下一步发展高效农牧业特别是高效畜牧业提供了可能

The Analyses of Status Quo of Using Land on DUO LUN County NeiMongol

The technology of 3S and methods of PCA,CLOUSTEER were used for analyses of status quo of using land .The result are as follow:1.The proportion of using land were grassland/cultivated land/other land(sandy land,dune,marsh etc.)as 3/3/3.The forest land is very little.2.The proportion of nonirrigated farmland is 96% in cultivated land.3.The grassland has been degenerated because livestock are more and more on grassland.4.The important work is ecological environment construction that below to DUO LUN County. DUO LUN can develop high effect agriculture because it has superority of resources and region.