[领土空间函数间的协调测量与多维冲突诊断耦合]。

Q2 Environmental Science
Xi-Ping Zheng, Zhu-An Chen
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引用次数: 0

摘要

探索城市、农业和生态功能之间的关系对于优化国土空间格局、实现国土空间均衡发展至关重要。基于 "城市-农业-生态 "国土空间规划分类体系,借助2010-2020年土地利用、人口密度、夜间光照、路网、降水、县域统计数据等多源数据,构建了鄱阳湖生态经济区网格尺度的国土空间功能评价指标体系。利用耦合协调度模型和空间自相关分析,测度了国土空间功能间的耦合协调水平。此外,还利用多维功能冲突识别模型对功能冲突的类型和强度进行了诊断。结果表明:①城市功能主要得到改善,占 75.67%。功能评价指数较高的网格主要分布在研究区南部,北部城市功能改善强度高于南部。另外,农业功能和生态功能以下降为主,分别占 77.44%和 57.66%,且下降幅度较大的网格大多分布在鄱阳湖南部。从 2010 年到 2020 年,耦合协调类型以失衡衰退为主,分别占 53.87%和 49.89%。但是,关键不平衡和主要协调的电网数量减少,耦合协调类型由两端向中间转变。耦合协调热点主要集中在南部平原地区,冷点主要分布在北部山区和丘陵地区,均呈减少趋势。但在鄱阳湖北部,少量热点沿湖区分布,地势相对平坦,呈扩大趋势。4 个地域空间功能冲突强度以中、重度为主。除 "城市-农业 "功能冲突略有上升趋势外,"城市-生态"、"农业-生态"、"城市-农业-生态 "功能冲突均呈加剧趋势。矛盾加剧的网格主要分布在赣江和府河流域。矛盾加剧的主要原因是城市功能明显增强,而生态和农业功能明显下降。总之,无论是国土空间功能间的耦合协调类型还是多维冲突,都存在明显的空间差异,因此需要因地制宜地提出优化策略。此外,在城市化发展的各个阶段,必须注重生态空间和农业空间的保护。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
[Coupling Coordination Measurement and Multi-dimensional Conflict Diagnosis among Territorial Space Functions].

Exploring the relationship between urban, agricultural, and ecological functions is crucial for optimizing the territorial spatial patterns and achieving balanced territorial spatial development. Based on the classification system of "urban-agricultural-ecological" territorial spatial planning and with the help of multi-source data, including land use, population density, nighttime light, road network, precipitation, and county statistical data from 2010 to 2020, we constructed an evaluation index system of territorial space functions at the grid scale in the Poyang Lake Ecological Economic Zone. The coupling coordination levels among territorial space functions was measured using the coupling coordination degree model and spatial autocorrelation analysis. Moreover, the multi-dimensional function conflict identification model was used to diagnose the type and intensity of function conflicts. The results showed that: ① The urban function was mainly improved, accounting for 75.67%. The grids with high function evaluation index were mainly located in the south of the study area, whereas the intensity of urban function improvement in the north was higher than that in the south. Otherwise, the agricultural and ecological functions were mainly reduced, accounting for 77.44 % and 57.66%, respectively, and the majority of grids with a significant decrease were distributed in the south of Poyang Lake. ② From 2010 to 2020, the coupling coordination type was dominated by an imbalance recession, accounting for 53.87% and 49.89 %, respectively. However, the number of grids with crucial imbalance and primary coordination was reduced, and the coupling coordination types tended to change from both ends to the middle. The coupling coordination hot spots were mainly concentrated in the southern plain, whereas the cold spots were mainly distributed in the northern mountainous and hilly areas, both of which showed a reducing trend. However, in the north of Poyang Lake, a small number of hot spots, distributed along the lake area with relatively flat terrain, showed an expanding trend. ③ The intensity of four territorial space function conflicts was mainly moderate or severe. In addition to the slight positive trend of 'urban-agricultural' function conflict, the function conflicts of "urban-ecological", "agricultural-ecological", and "urban-agricultural-ecological" were all aggravated. The grids with aggravating conflicts were mainly distributed in the Ganjiang River and Fuhe River Basin. The major reason for the aggravation was that the urban function increased obviously, whereas the ecological and agricultural functions decreased significantly. In conclusion, in both the coupling coordination types and multi-dimensional conflicts among territorial space functions, significant spatial differences existed; thus, proposing optimization strategies according to local conditions is necessary. Additionally, the protection of ecological and agricultural spaces during each stage of urbanization development must be focused.

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Huanjing Kexue/Environmental Science
Huanjing Kexue/Environmental Science Environmental Science-Environmental Science (all)
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