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The assessment of urban ecological carrying capacity (UECC) constitutes a significant component within urban studies, playing a crucial role in guiding socioeconomic development in cities and harmonizing urban-environment interactions. It holds particular relevance for cities whose development is constrained by inherent regional environmental conditions. We propose a novel UECC-UEPI framework integrating carrying capacity and pressure indices. Applied to Chaoyang, China, it reveals hidden ecological surplus (UECC = 13.64 × 103⁹ > UEPI = 5.42 × 103⁹), UECC exceeds ecosystem pressure by 61%. During this period, key contributing factors were a 32.2% forest cover rate coupled with reduced resource intensity, resulting in a surplus of ecological capacity. Findings validate industrial optimization effectiveness while providing a transferable framework for semi-arid urban planning.

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Revealing Hidden Ecological Surplus: A Novel UECC-UEPI Framework for Semi-Arid Urban Sustainability

  • 会议论文

  • 发表日期：

    2026年

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  • Sijing Feng

摘要

The assessment of urban ecological carrying capacity (UECC) constitutes a significant component within urban studies, playing a crucial role in guiding socioeconomic development in cities and harmonizing urban-environment interactions. It holds particular relevance for cities whose development is constrained by inherent regional environmental conditions. We propose a novel UECC-UEPI framework integrating carrying capacity and pressure indices. Applied to Chaoyang, China, it reveals hidden ecological surplus (UECC = 13.64 × 103⁹ > UEPI = 5.42 × 103⁹), UECC exceeds ecosystem pressure by 61%. During this period, key contributing factors were a 32.2% forest cover rate coupled with reduced resource intensity, resulting in a surplus of ecological capacity. Findings validate industrial optimization effectiveness while providing a transferable framework for semi-arid urban planning.