会昌县宜耕后备土地资源开发潜力调查分析

Analysis on Potential of Reserved Land Resources Suitable for Cultivation in Huichang,Jiangxi Province

宜耕后备土地资源开发是增加耕地、保障我国粮食安全的一条重要途径.该研究以会昌县为例,以全国第二次土地调查成果为基础数据,运用GIS技术、典型抽样调查、数学模型及综合分析等多种方法,对会昌县后备土地资源进行适宜性评价,在此基础上测算其开发潜力并进行分级.结果显示,会昌县境内宜耕后备土地资源总量达1 813.07 hm2,占后备土地资源的21.92％;可开发利用的宜耕后备土地资源多集中在坡度为6°～15°的地区,面积为738.11 hm2.

Development of reserved land resources suitable for cultivation is an important way to increase arable land and national food security.With Huichang County as example,based on the second national land survey results,using GIS technology,typical sampling investigation,numerical model and comprehensive analysis,the suitability of reserved land resource was evaluated.On the basis of this,the development potential was measured and graded.The results showed that reserved land resource suitable for cultivated land in Huichang County is up to 1 813.07 hm2,accounting for 21.92% ; the developable reserved land resource mainly concentrated in 6-15 altitude,with the area of 738.11 hm2.