作　　者： ; ; ;

机构地区： 华南农业大学信息学院

出　　处： 《广东农业科学》 2009年第10期179-183,共5页

摘　　要： 应用模糊综合评判方法,在地理信息系统(GIS)的支持下,基于栅格对封开县土地生态安全状况进行了评价与分析。研究结果表明,封开县土地生态状况整体良好,全县土地生态安全、良好、敏感、风险和恶劣5个等级的面积分别为827.64、580.44、440.37、183.4、448.07 km2,依次占评价区域面积的33.37%、23.41%、17.76%、7.40%和18.06%。 Based on fuzzy comprehensive assessment method, Fengkai＇s land eco-security was evaluated and analyzed based on grid data in the geographic information system （GIS）. The results showed that the general status of ecological security of land is in a comparative good condition. Throughout the county, the area of safe grade, relatively safe grade, sensitive grade, risk grade and poor grade is 827.64, 580.44, 440.37, 183.44 ,448.07 km^2, which account for 33.37%, 23.41%, 17.76%, 7.40% and 18.07%, respectively.

关 键 词： 土地生态安全 模糊综合评判 栅格

领　　域： [经济管理]