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Assessment of Urban Ecological Resilience Based on PSR Framework in the Pearl River Delta Urban Agglomeration, China

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  • Qiongrui Zhang

    (School of Geography, South China Normal University, Guangzhou 510631, China)

  • Tao Huang

    (School of Tourism Management, Chaohu University, Hefei 238024, China)

  • Songjun Xu

    (School of Geography, South China Normal University, Guangzhou 510631, China)

Abstract

Studying resilience provides an opportunity to address a range of urban environmental problems. However, existing studies pay little attention to urban ecological resilience (UER), and the system of assessing urban resilience pays little attention to the process attribute of resilience. This study focuses on UER and constructs an evaluation framework based on the pressure _state _response (PSR) framework. The ‘pressure’ indicator morphological resilience (MR) is evaluated using source _sink landscape theory. The ‘state’ indicator density resilience (DR) is evaluated using the ratio of ecological carrying capacity to ecological footprint. The ‘response’ indicator uses indicators of economic structure, vitality, and innovation for evaluation. We found that the MR and DR of the study area in 2020 showed a spatial layout of low in the central area and high in the peripheral areas, while the high-value ER area was in the central part. The average district and county MR was 1.44, DR was between 0.003 and 1.975, and ER was 0.32; overall, ER and MR are better in the study area, but DR is worse. The spatial layout of comprehensive UER was found to be low in the middle and high in the periphery of the study area. Some areas with low MR and DR have high UER, which verifies the compensation effect of ER on urban ecology. This study provides a new method for assessing UER, and the findings can provide useful information for urban planning.

Suggested Citation

  • Qiongrui Zhang & Tao Huang & Songjun Xu, 2023. "Assessment of Urban Ecological Resilience Based on PSR Framework in the Pearl River Delta Urban Agglomeration, China," Land, MDPI, vol. 12(5), pages 1-13, May.
    • Handle: RePEc:gam:jlands:v:12:y:2023:i:5:p:1089-:d:1150231
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    4. Wan, Wei & Han, Yiwen & Wu, Hanqing & Liu, Fan & Liu, Zhong, 2021. "Application of the source–sink landscape method in the evaluation of agricultural non-point source pollution: First estimation of an orchard-dominated area in China," Agricultural Water Management, Elsevier, vol. 252(C).
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    1. Ting Zhang & Xiulian Wang & Xinai Li & Xuan Zhu & Long Li & Longqian Chen, 2025. "Spatio-Temporal Differentiation and Influencing Factors of Urban Ecological Resilience in Xuzhou City," Land, MDPI, vol. 14(5), pages 1-21, May.
    2. Jisheng Xia & Guoyou Zhang & Sunjie Ma & Yingying Pan, 2025. "Spatial Heterogeneity of Driving Factors in Multi-Vegetation Indices RSEI Based on the XGBoost-SHAP Model: A Case Study of the Jinsha River Basin, Yunnan," Land, MDPI, vol. 14(5), pages 1-23, April.
    3. Chong Li & Yibao Wang & Wen Qing & Cuixi Li & Yujiang Yang, 2024. "Differential Evaluation of Ecological Resilience in 45 Cities along the Yangtze River in China: A New Multidimensional Analysis Framework," Land, MDPI, vol. 13(10), pages 1-17, September.
    4. Huangying Gu & Guanyu Guo & Chengming Li, 2024. "Treating the Symptoms as Well as the Root Causes: How the Digital Economy Can Mitigate the Negative Impacts of Land Resource Mismatches on Urban Ecological Resilience," Land, MDPI, vol. 13(9), pages 1-21, September.

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