Spatial Network Heterogeneity of Land Use Carbon Emissions and Ecosystem Services in Chang-Zhu-Tan Urban Agglomeration

Fanmin Liu, Xianchao Zhao () and Mengjie Wang
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Fanmin Liu: School of Civil and Environmental Engineering, Hunan University of Technology, Zhuzhou 412007, China
Xianchao Zhao: School of Civil and Environmental Engineering, Hunan University of Technology, Zhuzhou 412007, China
Mengjie Wang: School of Civil and Environmental Engineering, Hunan University of Technology, Zhuzhou 412007, China

Land, 2025, vol. 14, issue 11, 1-29

Abstract: Urban agglomerations are key to balancing carbon emissions (CEs) and ecosystem services (ESs), yet structural imbalances exist between LUCE and ESs due to the lack of standardized frameworks and clear governance strategies. This study investigates the relationship between LUCE and ESs in the Chang-Zhu-Tan urban agglomeration using multi-source data from 2010 to 2023. The study aims to address three main research questions: (1) How do LUCE and ES networks evolve over time? (2) What factors drive their heterogeneity? (3) How do urbanization and ecological restoration impact LUCE and ES network dynamics? To answer these, we apply centrality metrics and develop heterogeneity indices to evaluate connectivity, accessibility, and driving factors. The findings show that both LUCE and ES networks exhibit corridor-like structures, with asymmetric node distributions. The LUCE-Network’s degree centrality increased from 0.16 to 0.29, while the ES-Network’s rose from 0.16 to 0.23. Heterogeneity was initially positive but turned negative by 2023, indicating a shift from LUCE dominance to an increased emphasis on ES. This transition was influenced by urbanization, land use changes, and ecological restoration efforts. Notably, the proportion of built-up land (X11) grew from 0.0187 in 2010 to 0.1500 in 2023, intensifying the disparity between LUCE and ESs. Similarly, urbanization (X7) surged to 0.1558 in 2023, increasing CEs and the demand for ESs. A collaborative pathway is proposed to address these challenges, involving controlled urban development, restoration of green spaces, and prioritizing multimodal transport and energy efficiency. This framework offers actionable diagnostics for improving low-carbon and ecological governance in urban agglomerations.

Keywords: land use carbon emissions; ecosystem services; spatial association network; driving mechanisms; Chang-Zhu-Tan urban agglomeration (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2025
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