为了提高基本农田保护区专项规划对土地利用的空间导向作用,加强基本农田建设,探索土地利用空间重构的技术方案。该文以顺义区杨镇基本农田保护区专项规划分析为例,通过划定12个基本农田保护区,利用农用地分等成果,辅助耕地邻域替代评价和适宜性评价方法,确定了保护区内设施农用地、农村居民点用地、未利用地的土地整治方向,以及整治地块的空间分布和时序安排。分析结果显示,一、二、三级土地复垦整治地块面积为459.44hm2,未利用地高、中度适应性评价面积为35.12hm2,对该部分地块的整治能有效地增加基本农田保护区内耕地的比例;农田景观指数分析结果显示,随着待整治地块向耕地转变,基本农田保护区内耕地的集中连片度不断提高。基于土地整治行为的土地利用空间重构方式,成为编制基本农田区专项规划的有益探索,深化了对土地利用规划的研究。
In order to improve space guiding significance of prime farmland protection area special planning for land use, and to strengthen the land quality construction in prime farmland areas, the technical solutions of the land re-construction was explored. Taking Yangzhen town of Shunyi district as an example, according to the analysis of 12 prime farmland protection areas, the direction of regulation for farmland, rural residential land, unused land in the protected area and the spatial distribution of land readjustment and scheduling were determined by the spatial analysis function and neighborhood replacement method based on agricultural land grading results. The result showed that block area of land reclamation and regulation for I, II, III grades were 459.44 hm2 , and adaptability evaluation of unused land at high and moderate level were 35.12 hm2, so the proportion of the arable land in the prime land protection areas could be effectively improved by regulating the section above mentioned. Meanwhile, the farmland landscape index analysis showed that the concentration degree of arable land increased continuously with plot non-arable land changing to arable land. The land use space reconstruction approach based on the behavior of land readjustment is very useful in exploring a special plan for the prime farmland area, and deepens the study of land use planning.