Effects of spatial scale on assessment of spatial equity of urban park provision
Effects of spatial scale on assessment of spatial equity of urban park provision
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DOI：
10.1016/j.landurbplan.2016.11.001
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发表时间：
2017-02-01
影响因子：
9.1
通讯作者：
Samsudin, Rosita
中科院分区：
文献类型：
--
作者：
Tan, Puay Yok;Samsudin, Rosita
城市公园被广泛认为提供了多种社会和生态效益，但越来越多的研究表明，这些效益往往在社会经济和种族群体之间分配不均。这导致人们越来越有兴趣评估公园和其他绿色空间的空间分布和使用情况，将其作为环境正义的一个方面。尽管这种空间研究需要在多个尺度上进行评估，但结果如何受到尺度的影响尚未得到足够的重视。本研究评估了规模对新加坡公园供给和空间公平性的影响。一系列公园供应指标被用来评估它们如何受到规模的影响，并探讨它们与财富，收入和种族的相关性。利用国家土地利用规划所采用的规划单元，即区域、规划区和分区，对规模效应进行了评估。规模显著影响公园供应指标，特别是纳入人口的指标。在较大尺度上的相关性往往比在较小尺度上更强。在财富和收入较高的规划单位中，公园供应量较高，公园拥堵的可能性较低。在较小的空间尺度上进行研究时，不平等现象也显得更为严重。研究结果还表明，公园提供指标的频率分布倾向于偏态，特别是在较小的尺度。的影响的结果进行了讨论的空间公平性评估和可能的原因的差异。我们还强调，需要在较小规模的社区而不是在城镇或地区一级指导公园规划。(C)2016爱思唯尔B.V.保留所有权利。
Urban parks are widely-recognized to provide multiple social and ecological benefits, but an increasingly number of studies show that such benefits are often inequitably distributed across socio-economic and ethnic groups. This has led to a growing interest in assessing the spatial distribution and access to parks and other green spaces as an aspect of environmental justice. Even though such spatial studies require assessment at multiple scales, how results may be influenced by scale has not received adequate attention. This study assessed the effects of scale on park provision and spatial equity in Singapore. A range of park provision indicators were used to evaluate how they are affected by scale and to explore their correlations with wealth, income and ethnicity. Scale effects were assessed using planning units adopted for national land use planning, namely, region, planning area and subzone. Scale significantly affected park provision indicators, particularly for indicators that incorporate population. Correlations at larger scale tend to be stronger than at smaller scales. There were higher park provision and lower potential for park congestion in planning units with higher wealth and income. Inequity also appears stronger when studied at smaller spatial scales. Results also showed that park provision indicators are prone to skewed frequency distributions, especially at smaller scales. The implications of the results were discussed in relation to spatial equity assessment and possible causes of the disparities. We also highlight the need to direct park planning at smaller scale of neighbourhoods rather than at the town or regions levels. (C) 2016 Elsevier B.V. All rights reserved.