LIU Yang,YU Jianxin,XIANG Donglei,et al.Integrated Zoning of Cultivated Land Use Protection in Simao District Based on Local Spatial Autocorrelation[J].Research of Soil and Water Conservation,2020,27(01):183-188,196.
基于局部空间自相关的思茅区耕地利用保护综合分区
- Title:
- Integrated Zoning of Cultivated Land Use Protection in Simao District Based on Local Spatial Autocorrelation
- 文章编号:
- 1005-3409(2020)01-0183-06
- Keywords:
- local spatial autocorrelation; cultivated land quality; Simao District; cultivated land zoning
- 分类号:
- F301.2
- 文献标志码:
- A
- 摘要:
- 对耕地质量在空间上分布的规律研究,是进行耕地质量保护与制定合适土地政策的基础。使用Moran指数的局部空间自相关为研究方法,以思茅区为例,对思茅区内所有耕地图斑进行聚类分析,并依据分析结果对耕地进行利用保护分区。结果表明:(1)思茅区内耕地质量在空间上呈现较强的聚类,耕地质量高分聚集的优质耕地主要分布在城区与六顺镇的周围,低分聚集的劣质耕地主要分布在思茅区的西北部高山峡谷地区。只有少量区域的耕地质量存在负相关或不显著相关,分散分布于思茅区内;(2)根据耕地自然等指数与利用等指数的局部空间自相关的聚类差异,将耕地分为优先保护集约利用区、重点保护高效利用区、提质改良潜力利用区与综合改良低效利用区4个区域,并对分区提出相应的耕地利用保护策略。该研究结果客观反映了思茅区耕地的自然与利用状况,为研究区内优化产业布局与基本农田保护区的划定提供参考。
- Abstract:
- The study of the characteristics of spatial distribution of cultivated land quality is the basis for the protection of cultivated land quality and the formulation of appropriate land policies. In this paper, the local spatial autocorrelation of the Moran index is used as the research method. Simao was taken as an example, Cluster analysis was carried out to identify the patch of the cultivated land map of Simao. According to the analysis results, cultivated land was zoned by use and protection methods. The results show that:(1)the quality of cultivated land in Simao presents a strong cluster in space, high-quality cultivated land with high scores cluster mainly distributes in the urban area and around Liushun Town; inferior cultivated land with low scores cluster mainly distributes in the alpine valley area in the northwest of Simao; only a small number of cultivated land quality is negatively correlated or not significantly correlated, which is scattered across Simao;(2)based on clustering differences of local spatial autocorrelation of cultivated land natural index and utilization index, the cultivated land is divided into four areas: priority protection intensive use area; key protection high-efficiency utilization area; quality improvement potential utilization area and comprehensive improvement inefficient use area, and the corresponding strategies for cultivated land use and protection are proposed for the zoning. The research results can serve as the objective reflection of the natural and utilization status of the cultivated land in Simao District, and have the reference value for the research on the intra-regional optimization of industrial layout and the delimitation of protective zone of basic farmland.
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备注/Memo
收稿日期:2019-06-22 修回日期:2019-07-18
资助项目:国土资源部公益性行业科研专项经费项目“乌蒙山立体区域特征分异下的土地利用分区及综合评价”(201511003-1)
第一作者:刘洋(1996—),男,江西抚州人,在读硕士研究生,主要研究方向为土地开发整理。E-mail:838120202@qq.com
通信作者:李建华(1980—),男,湖南娄底人,博士,副教授,主要从事土地利用与整治研究。E-mail:wenniforever@126.com