Unveiling environmental inequalities in high-density Asian city: City-scaled comparative analysis of green space coverage within 10-minute walk from private, public, and rural housing

IF 7.9 1区 环境科学与生态学 Q1 ECOLOGY Landscape and Urban Planning Pub Date : 2024-09-28 DOI:10.1016/j.landurbplan.2024.105225
Ka Ying Sit , Wendy Y. Chen , Ka Yiu Ng , Keumseok Koh , Hongsheng Zhang
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Abstract

While increasing studies acknowledge the potential of green spaces to alleviate urban environmental problems in high-density cities, there is growing attention to the socio-spatial inequalities in green space allocation. Few studies have assessed these inequalities by considering the green space coverage along citizens’ walking trips from their homes within the context of pedestrian-centric and mixed-residential developments in high-density cities. Therefore, this study (1) evaluated green space coverage near home and within residents’ 10-minute walk from each residential building in Hong Kong, (2) estimated the population living in green space-deprived environments, and (3) explored their relationships with socioeconomic and built-environment characteristics. Results revealed that private housing residents living in lower-income and higher-density areas in the urban core were the most prone to low green space coverage. In contrast, public housing consistently offered medium levels of green space coverages regardless of community income and urban form. Additionally, high-density new town development demonstrated the potential for equitable green space allocation across different housing types. As cities increasingly embrace high-density development and promote active transportation, this study provides valuable insights for implementing housing and greening initiatives that foster healthy living environments in high-density cities.
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揭示高密度亚洲城市的环境不平等:从私人住宅、公共住宅和乡村住宅步行 10 分钟范围内绿地覆盖率的城市尺度比较分析
虽然越来越多的研究承认绿地在缓解高密度城市环境问题方面的潜力,但人们也越来越关注绿地分配中的社会空间不平等问题。在高密度城市以步行者为中心的混合住宅开发项目中,很少有研究通过考虑市民从家步行出行沿途的绿地覆盖率来评估这些不平等现象。因此,本研究(1)评估了香港每栋住宅楼附近和居民步行 10 分钟范围内的绿地覆盖率,(2)估算了生活在绿地匮乏环境中的人口数量,(3)探讨了它们与社会经济和建筑环境特征之间的关系。结果显示,居住在城市核心地区低收入和高密度区域的私人住宅居民最容易出现绿地覆盖率低的问题。相比之下,无论社区收入和城市形态如何,公共住房的绿地覆盖率始终处于中等水平。此外,高密度的新城镇开发显示了在不同住房类型之间公平分配绿地的潜力。随着城市越来越多地采用高密度开发和推广主动交通,这项研究为在高密度城市实施促进健康生活环境的住房和绿化措施提供了宝贵的见解。
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来源期刊
Landscape and Urban Planning
Landscape and Urban Planning 环境科学-生态学
CiteScore
15.20
自引率
6.60%
发文量
232
审稿时长
6 months
期刊介绍: Landscape and Urban Planning is an international journal that aims to enhance our understanding of landscapes and promote sustainable solutions for landscape change. The journal focuses on landscapes as complex social-ecological systems that encompass various spatial and temporal dimensions. These landscapes possess aesthetic, natural, and cultural qualities that are valued by individuals in different ways, leading to actions that alter the landscape. With increasing urbanization and the need for ecological and cultural sensitivity at various scales, a multidisciplinary approach is necessary to comprehend and align social and ecological values for landscape sustainability. The journal believes that combining landscape science with planning and design can yield positive outcomes for both people and nature.
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