摘要
【目的】对定西市农业用地进行适宜性评价分析,为当地农业土地的规划和利用提供建议。【方法】基于ArcGIS平台,以甘肃省定西市为研究对象,结合层次分析法,选取和农业发展密切相关的自然因子,如高程、坡向、坡度、温度和降水,对定西市农用地的适宜性进行评价。【结果】定西市适宜农业种植的区域主要分布在西北、东北和东部地区,对应的县域主要为临洮县、安定区、渭源县、通渭县、陇西县和漳县的大部分地区,适宜、较适宜、较不适宜、不适宜开展农业种植的区域分别约占定西市总面积的13%、26%、36%和24%。【结论】定西市要在整体上优化种植结构,大力发展特色产业,以促进农业的进一步发展。
[Purposes]The suitability evaluation and analysis of agricultural land in Dingxi City was car⁃ried out to provide suggestions for the planning and utilization of local agricultural land.[Methods]Based on ArcGIS platform,this study takes Dingxi City of Gansu Province as the research object and combines hierarchical analysis to evaluate the suitability of agricultural land in Dingxi City by selecting natural fac⁃tors closely related to agricultural development,such as elevation,slope direction,slope,temperature and precipitation.[Findings]The research results show that the suitable areas for agricultural cultivation in Dingxi City are mainly distributed in the northwest,northeast and east areas,and the corresponding counties are mainly Lintao County,Anding District,Weiyuan County,Tongwei County,Longxi County and most of Zhang County,and the areas that are suitable,relatively suitable,less suitable and unsuit⁃able for agricultural cultivation account for about 13%,26%,36%and 24%of the total area of Dingxi City,respectively.[Conclusions]The analysis suggests that Dingxi City should optimize the planting structure as a whole and vigorously develop special industries in order to promote further development of agriculture.
作者
李鹏飞
LI Pengfei(School of Resources,Chang'an University,Xi'an 710054,China)
出处
《河南科技》
2023年第5期116-119,共4页
Henan Science and Technology
关键词
农用地
适宜性评价
甘肃省
定西市
agricultural land
suitability evaluation
Gansu Province
Dingxi City
