Spatio-Temporal Change in Urban Carbon Metabolism Based on Ecological Network Analysis: A Case Study in the Beijing–Tianjin–Hebei Urban Agglomeration, China

Fang Xu () and Xiaoyou Guo
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Fang Xu: School of Landscape Architecture, Beijing Forestry University, Beijing 100083, China
Xiaoyou Guo: School of Landscape Architecture, Beijing Forestry University, Beijing 100083, China

Land, 2024, vol. 13, issue 12, 1-24

Abstract: Urban carbon emissions significantly contribute to climate change, exacerbating environmental issues such as global warming. Understanding carbon metabolism is vital for identifying key emission sources and implementing targeted mitigation strategies. This study presents an innovative carbon metabolism analysis framework that integrates an ecological network analysis (ENA) with land use dynamics, enriching the theoretical system and providing policy recommendations for sustainable urban development. We investigated carbon metabolism in the Beijing–Tianjin–Hebei Urban Agglomeration (BTHUA) from 2000 to 2020 using land use and statistical data. The ENA method quantified the ecological relationships between land use compartments. Our findings revealed that industrial and transportation land exhibited the highest carbon emission density, while forest land demonstrated the highest carbon sequestration density. Notably, the negative net horizontal carbon flow indicated that land use changes exacerbated the disorder of carbon metabolism. The increasing mutualism index suggested a reduction in the negative impacts of land use changes on carbon metabolism. This study highlights the importance of spatial planning in transforming ecological relationships and provides a comprehensive understanding of carbon metabolism dynamics influenced by land use changes. The insights gained can inform effective mitigation strategies in the BTHUA and similar urban agglomerations, ultimately contributing to sustainable urban development.

Keywords: urban carbon metabolism; land use and land cover change (LUCC); ecological network analysis (ENA); urban agglomeration (search for similar items in EconPapers)
JEL-codes: Q15 Q2 Q24 Q28 Q5 R14 R52 (search for similar items in EconPapers)
Date: 2024
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