地理信息系统支持下的县域耕地分等研究  

Study on the gradation of cultivated land at county level with the support of GIS

作　　者：刘友兆[1] 王峻[2] 刘吉军[1] 姚翠巧[1] 杨建海[3] 吴俊品 

机构地区：[1]南京农业大学土地管理学院,南京210095 [2]科技部农村中心,北京100045 [3]徐州市农业局,徐州221000 [4]邳州市土地管理局,邳州221300

出　　处：《南京农业大学学报》2001年第3期106-110,共5页Journal of Nanjing Agricultural University

摘　　要：以江苏省邳州市为研究区域 ,在地理信息系统 (GIS)的支持下对耕地分等进行了研究。采用了评价模型 S =∑Sj×Wj 进行综合分值计算 ,根据综合分值的高低将评价单元分为 6个质量等别。通过地理信息系统技术的运用 ,实现了县域耕地分等的自动化 。Taking Pizhou County of Jiangsu Province as a case,gradation of cultivated land is made with the support of GIS The evaluation model S=∑S j×W j is designed to calculate aggregated scores, all cultivated land units in Pizhou County are divided into 6 quality grades according to the aggregated scores An automatic gradation of cultivated land at county level is achieved and more accurate results are obtained with the application of GIS.

关 键 词：耕地 分等 地理信息系统 

分 类 号：F323.211[经济管理—产业经济]