退耕还林地域选择研究——以内蒙古武川县为例  

Study on Selection of the Areas for Conversion of farmland to Forestland——With Wuchuan County of Inner Mongolia as An Example

作　　者：豪树奇[1] 张秋良[1] 

机构地区：[1]内蒙古农业大学林学院,内蒙古呼和浩特010019

出　　处：《林业资源管理》2005年第2期43-46,69,共5页Forest Resources Management

基　　金：内蒙古人才开发基金项目<内蒙中西部国有森林可持续经营模式研究>

摘　　要：采用地理信息系统分析工具与手段,从生态需求进行系统分析,提出和确定出武川县退耕还林地域选择标准为:坡度级大于25°的耕地;重度沙化的耕地;轻微沙化或未沙化无灌溉条件且年降雨量不足300mm的耕地。最终确定出该县退耕还林面积为7 18万hm2,占全县农耕地面积的50 18%。From the point view of ecology, the selection criteria are decided by the systemic analysis using the Geographic Information System. The criteria include: slope with over 25 degrees, seriously desertified and, lightly desertified land and land area without desertification and without irrigation conditions with annual precipitation of less than 300 mm. According to the criteria, 71800hm^2 of land has been decided for conversion of farmland to forestland, which makes up 50.18% the county's total agricultural land area.

关 键 词：退耕还林 地域 地理信息系统 

分 类 号：F307.212[经济管理—产业经济] TP79[自动化与计算机技术—检测技术与自动化装置]