Objective This study aims to explore the dynamic evolution and spatial differentiation characteristics of the spatiotemporal relationship between land use carbon emissions and ecosystem service value (ESV) in Hebei Province, and put forward countermeasures and suggestions for optimal regulation of land use to support regional low-carbon emission reduction and ecological civilization construction. Methods Taking Hebei Province, where land use changes rapidly, as the study area, and using districts and counties as research units, this study integrated the carbon emission coefficient method, equivalent factor method, and bivariate spatial autocorrelation model to reveal the spatiotemporal correlation evolution of land use carbon emissions and ESV in Hebei Province. Results (1) Land use carbon emissions in Hebei Province showed an increasing trend, rising from 44.379 8 million tons in 2000 to 128.677 9 million tons in 2020. Areas with relatively high carbon emissions included Tangshan City, Huanghua City (Cangzhou City), Wu′an City (Handan City), Gaocheng District and Luquan District (Shijiazhuang City). Northwestern ecological conservation areas such as Zhangjiakou City and Chengde City had relatively high carbon sequestration. Construction land and forest land were the main carbon source and carbon sink, respectively. (2) The total ESV showed a trend of first decreasing and then increasing: it decreased from 317.221 billion yuan in 2000 to 315.252 billion yuan in 2010, and then increased to 326.150 billion yuan in 2020. Forest land was the main contributor, and high-value agglomeration areas of ESV were concentrated in northwestern ecological conservation areas such as Zhangjiakou City and Chengde City. (3) There was a significant negative spatial correlation between land use carbon emissions and ESV, mainly characterized by low-high agglomeration in the north and low-low agglomeration in the central and southern regions. This correlation gradually transformed from agglomeration to dispersion. With mutual regulation between the two, their spatial relationship improved. Conclusion The spatiotemporal differentiation of land use carbon emissions and ESV in Hebei Province is distinct, showing spatial patterns of “high in the southeast and low in the northwest” and “high in the northwest and low in the central-southern region” respectively. Their correlation shows a significant negative spatial correlation, with a changing trend from agglomeration to dispersion.
土地利用碳排放(Land Use Carbon Emissions)是因土地利用变化导致的温室气体排放,显著影响全球碳循环和气候变化[1]。生态系统服务价值(Ecosystem Service Value, ESV)是人类从生态系统中获得的经济价值,可作为区域生态环境质量评价的重要指征。土地利用是人类利用和改造自然的主要手段,其类型的差异会导致不同的碳排放特征,而利用方式的转变也会改变生态系统的空间格局与规模,进而影响ESV。土地利用对碳排放与ESV的多重影响已成为地理学和生态学领域的研究重点。
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