以局部代替全域的县域耕地质量变化评价方法探讨——以固镇县为例
Evaluation of Local Land Quality Change in County Area by Portion Instead of Whole Region——Took Guzhen County as an Example
范贵娟 1何方 1许姚亮 1秦玮 1谢佳 1阮梦蝶 1石伟博 1朱琳1
作者信息
- 1. 安徽农业大学资源与环境学院,安徽合肥230036
- 折叠
摘要
结合ArcGIS软件和县域耕地资源管理系统,通过原有参评因素的选取与分析,在不具备固镇县全域数据情况下,采用以局部代替全域的方法进行耕地地力等级评价,并对其方法实施的可信性进行了初步分析.结果表明:2015年固镇县耕地地力等级总体上是提升的;用局部代替全域来进行耕地地力评价的方法是科学合理的,具有可信性和可操作性.
Abstract
Combining ArcGIS software and the county cultivated land resources management system, through the original selection and analy-sis of these factors, in the absence of the whole domain data of Guzhen County, the evaluation of cultivated land quality grade was carried out by local substitution of whole-region method, and the creditability of the method implementation was analyzed preliminarily. The results showed that:In 2015, the grade of Guzhen County cultivated land was promoted in general;the method of evaluating cultivated land quality by local substitution was scientific and reasonable, and could be implemented and operable.
关键词
耕地地力评价/方法/固镇县Key words
Evaluation of productivity of cultivated land/Method/Guzhen County引用本文复制引用
出版年
2017
国家科技期刊平台
NSTL
维普
万方数据