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Assessing the Ecological Benefits of Urban Green Spaces Based on 3D Green Quantity: A Case Study of Xi’an, China

Author

Listed:
  • Fengxia Li

    (School of Architecture, Xi’an University of Architecture and Technology, Xi’an 710055, China)

  • Chao Wu

    (School of Future Technology, Xi’an University of Architecture and Technology, Xi’an 710055, China)

  • Xiaogang Feng

    (School of Architecture, Xi’an University of Architecture and Technology, Xi’an 710055, China)

  • Meng Li

    (School of Architecture, Xi’an University of Architecture and Technology, Xi’an 710055, China)

Abstract

The ecological benefits of urban green spaces depend on their structure and ecological service function. Evaluation systems used to monitor these characteristics show distinct regional variations. This study analyzed China’s urban green spaces, developed a quantitative ecological benefit evaluation system, and comprehensively evaluated the ecological benefits of green spaces in Xi’an city. Suitable evaluation indexes for Xi’an were selected based on field survey data with large-scale samples and high-resolution remote sensing image data. The results showed that the ecological service function of urban green spaces in Xi’an has been substantially improved by ecological planning. Therefore, it is important to evaluate this function as part of the urban planning and design process. Furthermore, increasing the 3D Green Quantity through urban forests can effectively improve the ecological service function.

Suggested Citation

  • Fengxia Li & Chao Wu & Xiaogang Feng & Meng Li, 2026. "Assessing the Ecological Benefits of Urban Green Spaces Based on 3D Green Quantity: A Case Study of Xi’an, China," Sustainability, MDPI, vol. 18(3), pages 1-20, January.
    • Handle: RePEc:gam:jsusta:v:18:y:2026:i:3:p:1331-:d:1851049
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