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在全球气候变化与国家“双碳”战略背景下,高密度城镇化地区的空间重构引发了多维功能冲突,深刻影响生态系统的碳汇能力。本研究基于2005—2020年土地利用数据,综合运用空间转移矩阵、InVEST模型与碳储量贡献率指标,分析广东省“三生”空间演变及其碳储量响应。结果表明:不同空间转换方向对区域碳储量具有差异化影响。农业生产空间持续收缩,工矿生产空间持续扩张,城乡生活空间净扩张速度逐步放缓,林地生态空间则先减后增,区域总碳储量随之呈“先降后升”趋势。本研究可为高密度城镇化地区识别碳汇流失源头,并为探索跨区域生态补偿机制与差异化管控策略提供决策支撑。
Abstract:Against the backdrop of global climate change and China′s carbon peaking and carbon neutrality goals, intensive spatial restructuring in highly urbanized regions has intensified conflicts among production, living, and ecological functions, thereby affecting ecosystem carbon sequestration capacity.Based on land-use data from 2005 to 2020,this study integrated the land-use transition matrix, the InVEST model, and the carbon storage contribution rate to investigate the spatiotemporal evolution of production-living-ecological(PLE) space and the associated impacts on carbon storage in Guangdong Province, China.The results showed that different PLE space transition pathways exerted heterogeneous effects on regional carbon storage.The area of agricultural production space continuously decreased, while industrial production space expanded steadily.The net expansion of urban-rural living space gradually slowed, whereas forest ecological space experienced an initial decline followed by recovery.Consequently, total regional carbon storage showed an initial decline followed by an increase.This study provides a scientific basis for identifying sources of carbon sink loss in highly urbanized regions and supports the development of differentiated spatial governance strategies and cross-regional ecological compensation mechanisms.
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基本信息:
中图分类号:X321
引用信息:
[1]袁苏龙,段志文,盘惠琪,等.广东省“三生”空间转型及其碳储量效应研究[J].黑龙江国土资源,2026,24(10):22-28.
基金信息:
国自然基金项目(基于气候适应与社会协同的城市韧性演进研究(52561135229)); 公司专项科研基金项目(2025-KY3-024)融合多维度影响因子的城市更新潜力识别技术方法研究
2026-06-17
2026
2026-08-09
2026-08-10
2026
1
2026-10-28
2026-10-28