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Open AccessArticle

Urban Green Space Fragmentation and Urbanization: A Spatiotemporal Perspective

1
School of Landscape Architecture, Beijing Forestry University, Beijing 100083, China
2
Department of Planning & Environmental Management, Manchester Urban Institute, The University of Manchester, Manchester M13 9PL, UK
3
Beijing Tsinghua Tongheng Urban Planning & Design Institute, Beijing 100085, China
4
Graduate School of Frontier Science, The University of Tokyo, Kashiwa 277-8563, Japan
*
Author to whom correspondence should be addressed.
Forests 2019, 10(4), 333; https://doi.org/10.3390/f10040333
Received: 19 March 2019 / Revised: 10 April 2019 / Accepted: 11 April 2019 / Published: 13 April 2019
(This article belongs to the Special Issue Impact of Land Use Change on Forest Biodiversity)
Urbanization leads to the occupation of green areas, directly contributing to a high level of fragmentation of urban green spaces, which, in turn, results in numerous socioeconomic and environmental problems. Consequently, an understanding of the relationships between patterns of urban green spaces and urbanization processes is essential. Although previous quantitative studies have examined this relationship, they have not included an exploration of spatial heterogeneities in the effects of urbanization on the spatial patterns of urban green areas. We therefore applied a spatiotemporal perspective to examine the above relationship, while considering the wider planning context. First, we quantified the extent of fragmentation of urban green spaces using landscape metrics comprising the largest patch index (LPI) and landscape shape index (LSI). Next, using the calculated spatial metrics and nighttime light data (NTL) for central Beijing for the period 1992–2016, we applied a geographically weighted regression model to assess variations in the spatiotemporal effects of urbanization on the fragmentation of urban green spaces. The results showed that urbanization initially occurred mainly in the northern parts of Beijing, whereas urbanization of southern urban fringe areas occurred after 2008. The reduction in green spaces along with increasing fragmentation and complex spatial patterns are indicative of issues relating to Beijing’s rapid urbanization and planning policies. This study contributes to an understanding of how urbanization influences fragmentation of urban green spaces and offers insights for the planning of urban green spaces from the perspective of promoting sustainability. View Full-Text
Keywords: urbanization; urban green spaces fragmentation; Beijing; spatial heterogeneities; geographically weighted regression urbanization; urban green spaces fragmentation; Beijing; spatial heterogeneities; geographically weighted regression
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Li, F.; Zheng, W.; Wang, Y.; Liang, J.; Xie, S.; Guo, S.; Li, X.; Yu, C. Urban Green Space Fragmentation and Urbanization: A Spatiotemporal Perspective. Forests 2019, 10, 333.

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