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Spatial Equity Measure on Urban Ecological Space Layout Based on Accessibility of Socially Vulnerable Groups—A Case Study of Changting, China

机译：基于社会弱势群体可及性的城市生态空间布局空间公平性测度-以长汀为例

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The improper layout of urban public parks leads to the difference between citizens sharing or not sharing this kind of public resource, particularly in the historical districts of mountainous cities in China. The purpose of this study is to explore the spatial equity and quantitative measures of urban public parks’ layouts by building a demand index of socially vulnerable groups sharing public parks based on the accessibility evaluation model. In this paper, Changting—a famous national historical and cultural city—is taken as the empirical object, then the accessibility and social equity of public parks is quantitatively measured with the aid of the field investigation method, the spatial analysis model of geographic information system (GIS) and the SPSS statistical analysis method. The results indicate that it is feasible to measure the spatial equity of urban public parks with the accessibility and demand index of socially vulnerable groups, and it can effectively characterize the rationality and social equity of urban ecological space. It shows that a degree of spatial mismatch exists between the distribution of urban public parks and that of residents, that is to say the spatial distribution of public parks is not equitable in terms of accessibility or residents’ demands. Therefore, the data suggest that the spatial patterns and accessibility levels of parks in Changting County—especially the historical districts—should be further improved and perfected to achieve high levels of accessibility and equity through urban green space system planning. The paper may be used as a scientific reference for the planning and construction of ecological urban spaces. It can also provide useful decision-making guidance for urban planners in investigating, analyzing, and adjusting the distribution of public service facilities to achieve equitable outcomes, while promoting the harmonious and sustainable development of mountainous cities.
机译：城市公园布局不当会导致公民共享或不共享这种公共资源之间的差异，特别是在中国山区城市的历史街区。这项研究的目的是通过基于可访问性评估模型建立共享公园的社会弱势群体的需求指数，探索城市公园布局的空间公平性和量化措施。本文以国家历史文化名城长汀为实证对象，运用野外调查方法，地理信息系统空间分析模型对公园的可达性和社会公平性进行定量测量。 （GIS）和SPSS统计分析方法。结果表明，利用社会弱势群体的可及性和需求指数来衡量城市公园的空间公平性是可行的，可以有效地表征城市生态空间的合理性和社会公平性。它表明，城市公园的分布与居民的分布之间存在一定程度的空间失配，也就是说，公园的空间分布在可及性或居民需求方面是不平等的。因此，数据表明，应进一步改善和完善长汀县（尤其是历史街区）公园的空间格局和可及性水平，以通过城市绿地系统规划实现较高的可及性和公平性。本文可作为生态城市空间规划建设的科学参考。它也可以为城市规划者在调查，分析和调整公共服务设施的分布以实现公平结果的同时，为山区规划者提供有用的决策指导，同时促进山区城市的和谐与可持续发展。

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