摘要
在GIS的支持下,采用土壤图和土地利用现状图叠置的方法划分评价单元,系统聚类与Delphi法相结合筛选参评因素,层次分析法(AHP)确定其权重,模糊评判法确定耕地地力等级等方法,进行淄川区耕地地力评价。结果表明,淄川区现有耕地28 114.13 hm2,共划分为六级,一至六级分别占耕地总面积的10.29%、12.76%、27.29%、24.51%、9.89%、15.26%,针对不同等级耕地的属性特征进行了描述性分析,指出了淄川区耕地利用中存在的主要问题,并提出了一些合理利用和改良的建议。
The cultivated land fertility in Zichuan District was evaluated based on GIS. The evaluation units were divided by overlay of soil map and present landuse map; the evaluation factors were screened by cluster analysis combined with Delphi method and their weights were determined by analytic hierarchy process（ AHP） method; the grades of cultivated land fertility were confirmed by fuzzy evaluation method. The results showed that there were 28 114. 13 hm2cultivated land in Zichuan District. They could be divided into six grades and the area of the first to sixth grade accounted for 10. 29%,12. 76%,27. 29%,24. 51%,9. 89%and 15. 26% of the total area respectively. The main cultivated lands of different grades were analyzed according to their properties. The main problems in utilization of cultivated land were pointed out and some suggestions on relational utilization and improvement of cultivated land were proposed.
出处
《山东农业科学》
2013年第11期87-90,共4页
Shandong Agricultural Sciences
基金
农业部全国测土配方施肥补贴项目[农办财(2007)25号)]
关键词
GIS
耕地地力
层次分析
模糊评价
GIS
Cultivated land fertility
Analytic hierarchy process（AHP）
Fuzzy evaluation
