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Assessing Structural Connectivity of Urban Green Spaces in Metropolitan Hong Kong

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  • Yuhong Tian

    (State Key Laboratory of Earth Surface Processes and Resource Ecology, School of Natural Resources, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China)

  • Yiqing Liu

    (State Key Laboratory of Earth Surface Processes and Resource Ecology, School of Natural Resources, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China)

  • C. Y. Jim

    (Department of Geography, The University of Hong Kong, Hong Kong, China)

  • Hanzhang Song

    (State Key Laboratory of Earth Surface Processes and Resource Ecology, School of Natural Resources, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China)

Abstract

Connectivity is a vital element in landscape structure because of its importance in species–landscape interactions. Connectivity analysis of green spaces in urban landscapes, especially in high-density cities such as Hong Kong, differs from that of habitats in natural or rural landscapes. Using the human being as the target species, we formulated with GIS techniques a resistance weight, a structural connectivity index and an ecological barrier effect index to assess connectivity of green spaces. Two factors were included in the modeling, namely the resistance of different land uses related to human activities, and the distance between different urban green spaces. We analyzed the relationships between the connectivity index of green spaces and green cover, elevation, building density and population density. Our results indicate that low connectivity usually occurs in both old and new town centers with high building density and low green cover, and in areas occupied by land uses with a high resistance weight. However, urban density may not necessarily have a negative influence on the structural connectivity of green spaces. Green cover also may not necessarily have positive impact on connectivity if the green spaces have a poor spatial pattern. Adding more green stepping stones, large green spaces and green corridors to form greenways and shortening the distance between urban green spaces can offer a spatial-planning strategy to increase the green space connectivity in Hong Kong. The study provides insights to optimize connectivity of green spaces to improve the urban living environment in high-density metropolises.

Suggested Citation

  • Yuhong Tian & Yiqing Liu & C. Y. Jim & Hanzhang Song, 2017. "Assessing Structural Connectivity of Urban Green Spaces in Metropolitan Hong Kong," Sustainability, MDPI, vol. 9(9), pages 1-16, September.
  • Handle: RePEc:gam:jsusta:v:9:y:2017:i:9:p:1653-:d:112374
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    References listed on IDEAS

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    1. Lai Man Lui & Youngchul Kim, 2017. "Use and Perception of Podium Gardens in Residential Neighborhoods in Hong Kong," Sustainability, MDPI, vol. 9(1), pages 1-11, January.
    2. Yu, Wei & Li, Baizhan & Yang, Xincheng & Wang, Qingqin, 2015. "A development of a rating method and weighting system for green store buildings in China," Renewable Energy, Elsevier, vol. 73(C), pages 123-129.
    3. Drielsma, Michael & Manion, Glenn & Ferrier, Simon, 2007. "The spatial links tool: Automated mapping of habitat linkages in variegated landscapes," Ecological Modelling, Elsevier, vol. 200(3), pages 403-411.
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    Cited by:

    1. Huiying Li & Dianfeng Liu & Jianhua He, 2022. "Exploring Differentiated Conservation Priorities of Urban Green Space Based on Tradeoffs of Ecological Functions," Sustainability, MDPI, vol. 14(3), pages 1-14, February.
    2. Yaqi Du & Rong Zhao, 2022. "Research on the Development of Urban Parks Based on the Perception of Tourists: A Case Study of Taihu Park in Beijing," IJERPH, MDPI, vol. 19(9), pages 1-18, April.
    3. Helena Madureira & Ana Monteiro, 2021. "Going Green and Going Dense: A Systematic Review of Compatibilities and Conflicts in Urban Research," Sustainability, MDPI, vol. 13(19), pages 1-20, September.
    4. Yuping Dong & Helin Liu & Tianming Zheng, 2020. "Does the Connectivity of Urban Public Green Space Promote Its Use? An Empirical Study of Wuhan," IJERPH, MDPI, vol. 17(1), pages 1-19, January.
    5. Clara García-Mayor & Pablo Martí & Manuel Castaño & Álvaro Bernabeu-Bautista, 2020. "The Unexploited Potential of Converting Rail Tracks to Greenways: The Spanish Vías Verdes," Sustainability, MDPI, vol. 12(3), pages 1-25, January.
    6. Zixuan Lian & Xianhui Feng, 2022. "Urban Green Space Pattern in Core Cities of the Greater Bay Area Based on Morphological Spatial Pattern Analysis," Sustainability, MDPI, vol. 14(19), pages 1-15, September.

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