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摘要: 社会经济的快速发展与人口流向大中城市的趋势导致地区人地矛盾剧增, 生产、生活、生态“三生”空间的协调对于实现区域社会经济可持续发展尤其重要。该研究基于“三生”功能视角构建多目标适宜性评价模型, 识别江西省南昌市“三生”适宜性及潜在土地利用冲突强度, 并考虑国土空间本底及规划目标进行分区差异化调控。结果表明: ①南昌市生产与生活一般及以上适宜区占比均超过65%, 且生态、生产与生活适宜性的空间分布和结构组成各异, 存在明显的叠加, 表明存在潜在土地利用冲突的可能性; ②从潜在冲突识别的结果来看, 剧烈冲突区、强烈冲突区、中度冲突区及微弱冲突区面积占比分别为0.53%, 18.81%, 5.77%和5.67%, 潜在冲突区面积占比、空间布局及表现形式均有所区别, 需要因地制宜调控; ③综合考虑冲突结果及《南昌市国土空间总体规划(2021—2035年)》的功能分区, 划分9大分区差别化调控。研究兼顾土地利用适宜性和社会经济发展要求, 在划分分区调控冲突方面做了一些尝试, 研究结果可为其他类似城市土地利用适宜性冲突判别及国土空间布局优化提供科学依据。Abstract: The rapid social and economic development and the trend of human migration to large- and mid-size cities, especially provincial capitals, have significantly intensified land use conflicts. The coordination among production, living, and ecological spaces is significant for sustainable, regional social and economic development. This study created a multi-purpose suitability assessment model from the perspective of the production, living, and ecological functions, identified the production, living, and ecological suitability, as well as the intensity of potential land use conflicts, in Nanchang City, China while considering land space background and planning objectives for differentiated regional regulation. The results indicate that over 65% of areas in the city are suitable for production and living. Areas with ecological, productive, and living suitability differ in spatial distribution and structural composition and exhibit pronounced overlaps. This indicates potential land use conflicts. The conflict identification results reveal that the areas with severe, strong, moderate, and weak land use conflicts account for 0.53%, 18.81%, 5.77%, and 5.67%, respectively. Given the different spatial distributions, area proportions, and characteristics of areas with potential land use conflicts, differentiated regulations are required. Based on comprehensive considerations of the conflict identification results and the functional zoning stated in the Nanchang City Land and Space Master Plan (2021-2035), this study determined nine major zones for differentiated regulation. This study made some preliminary attempts in zoning regulation against land use conflicts while considering both land use suitability and the requirements for social and economic development. The results of this study will provide a scientific basis for identifying land use conflicts and optimizing land space layout in other similar cities.
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