基于PSR框架的耕地资源质量评价——以广西桂平市为例
Culitivated Land Quality Assessment Based on PSR Model——A Case Study Of Guiping City,Guangxi Province
郑艺颖 1杨小雄 1何启源1
作者信息
- 1. 广西师范学院地理科学与规划学院,广西南宁530001
- 折叠
摘要
综合运用遥感(RS)和地理信息系统(GIS)技术,提取Slope、RVI、SQI、DVI、LUD 5个因子作为评价指标.根据压力-状态-响应(PSR)框架,构建桂平市耕地资源质量评价体系,最终桂平市的耕地分为5个等级,针对不同的等级提出了耕地资源保护的政策建议,并在此基础上对桂平市耕地资源的改善进行了探讨.
Abstract
The research made a quantitative analysis using RS&GIS technology synthetically and abstracted five factor such as Slope,RVI , SQI,DVI,LUD as cultivated land quality assessment indicator. By Virtue of PSR framework,the evaluation index system of Guiping City was constructed,and the cultivated land was devided into five grades and corresponding land resource protection suggestions were put forward re-spectively and on this basis,the improvement of cultivated land resources in Guiping City was discussed.
关键词
桂平市/PSR框架/耕地质量评价/评价指标体系Key words
Guiping City/PSR framework/Land quality assessment/Evaluation index system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