2025年京津冀陆地生态系统碳氧平衡分析  

Carbon-oxygen balance analysis of the terrestrial ecosystem of Beijing-Tianjin-Hebei region in 2025

作　　者：贾刚 李大瑞 孔翠霞 周志峰 郭俊光 JIA Gang;LI Darui;KONG Cuixia;ZHOU Zhifeng;GUO Junguang(Academy of Inventory and Planning,National Forestry and Grassland Administration)

机构地区：[1]国家林业和草原局林草调查规划院

出　　处：《环境工程技术学报》2024年第1期1-7,共7页Journal of Environmental Engineering Technology

基　　金：国家林业和草原局财政预算项目“森林资源监测与评价”(2130207)。

摘　　要：以2020年的京津冀地区数据为基准,测算出2020年释碳耗氧量、固碳释氧量,对2025年释碳耗氧量、固碳释氧量、生态用地需求面积进行预测。结果表明:2020年京津冀地区释碳量和耗氧量分别为125576.1万和143533.7万t。预测出2025年京津冀地区释碳量和耗氧量分别为135957.0万和163392.0万t。从2025年京津冀地区总体来看,维持碳平衡所需标准生态用地面积小于现有标准生态用地面积,说明不需要再另外增加面积。但分省(市)来看,北京、河北的生态用地面积均能够满足碳氧平衡需要,而天津还应增加标准生态用地,方能满足市内维持碳氧平衡的需要。在实际社会和经济发展过程中生态用地面积会略有调整,而且生态用地结构和质量也会发生变化,因此在实际生产和科研中,应根据每年生态用地的实际变化量来逐步修正。According to the data of Beijing-Tianjin-Hebei region in 2020,the carbon release and oxygen consumption,and carbon fixation and oxygen release in 2020 were calculated,and the carbon release and oxygen consumption,carbon fixation and oxygen release,as well as the demand area of ecological land in 2025 were calculated.The results showed that the carbon release and oxygen consumption in Beijing-Tianjin-Hebei region in 2020 were 125.5761 million tons and 143.5337 million tons,respectively,and in 2025,they would be 135.9570 million tons and 163.3920 million tons.In 2025,the required standard ecological land area to maintain carbon balance in Beijing-Tianjin-Hebei region was smaller than the existing standard ecological land area,indicating that there was no need to increase the area.However,from the perspective of different provinces,the ecological land area of Beijing and Hebei could meet the needs of carbon and oxygen balance,but Tianjin should increase the standard ecological land to meet the needs of maintaining carbon and oxygen balance in the city.In the process of actual social and economic development,the area of ecological land would be slightly adjusted,and the structure and quality of ecological land would also change.Therefore,in actual production and scientific research,it should be gradually corrected according to the actual annual change of ecological land.

关 键 词：生态系统 碳氧平衡 生态用地 京津冀 

分 类 号：S758.8[农业科学—森林经理学]