自然资源学报 ›› 2018, Vol. 33 ›› Issue (7): 1191-1203.doi: 10.31497/zrzyxb.20171155

• 资源生态 • 上一篇    下一篇

区域碳固持服务供需关系动态分析——以北京为例

孟士婷a,b, 黄庆旭a,b,*, 何春阳a,b, 杨双姝玛a,b   

  1. 北京师范大学 a. 地表过程与资源生态国家重点实验室,人与环境系统可持续研究中心,b. 地理科学学部自然资源学院土地资源与区域发展研究中心,北京 100875
  • 收稿日期:2017-10-31 修回日期:2017-11-23 出版日期:2018-07-20 发布日期:2018-07-20
  • 通讯作者: 黄庆旭(1984- ),男,四川成都人,副教授,主要从事城市土地利用变化模拟和城市可持续性研究。E-mail: qxhuang@bnu.edu.cn
  • 作者简介:孟士婷(1995- ),女,河北承德人,硕士研究生,中国自然资源学会会员(S300002025M),主要从事生态系统服务和区域规划研究。E-mail: stmeng@mail.bnu.edu.cn
  • 基金资助:

    国家自然科学基金项目(41501092);北京市科技新星项目(Z181100006218049)

Mapping the Changes in Supply and Demand of Carbon Sequestration Service: A Case Study in Beijing

MENG Shi-tinga,b, HUANG Qing-xua,b, HE Chun-yanga,b, YANG Shuang-shu-maa,b   

  1. a. Center for Human-Environment System Sustainability (CHESS), State Key Laboratory of Earth Surface Processes and Resource Ecology, b. School of Natural Resources, Faculty of Geographical Science, Beijing Normal University, Beijing 100875, China
  • Received:2017-10-31 Revised:2017-11-23 Online:2018-07-20 Published:2018-07-20
  • Supported by:

    National Natural Science Foundation of China, No. 41501092;Beijing Nova Program, No.Z181100006218049

摘要:

陆地生态系统的碳固持服务能直接固定大气中的CO2,有效减缓全球变暖趋势。该服务的供需平衡对于区域的可持续发展至关重要。目前,以空间显式的方法,定量评估城市尺度上碳固持服务供需关系动态的研究还比较少。因此,论文以北京市为例,分别选取CASA模型计算的植被净初级生产力,以及IPCC清单法和城市碳代谢法计算的人为CO2排放量,表征碳固持服务的供应和需求量。在此基础上,分析了北京市2000和2013年碳固持服务的供需变化。结果显示,2000年北京市碳固持服务供不应求,供需比为53.5%。空间分布上,中心城区的碳固持服务供需失衡,西部和北部地区的碳固持服务则供大于求。2000—2013年,北京市碳固持服务的供需关系趋于紧张,供需比降至38.5%。碳固持服务供需关系变紧张的主要原因是碳排放总量的增加。其中,来自城市居民生活和交通运输过程的碳排放增长最多。基于此,建议在需求端加快产业转移、促进节能减排,在供应端加大生态环境保护力度、保障区域的可持续发展。

关键词: CASA模型, IPCC清单法, 北京, 生态系统服务供需关系, 碳固持服务

Abstract:

Carbon sequestration service provided by terrestrial ecosystem can mitigate climate change by directly absorbing atmospheric CO2. The balance between the supply and demand of carbon sequestration service is crucial for sustainable development in urban areas. However, spatially explicit and quantitative investigation of the changes in the supply and demand of this ecosystem service is relatively rare. In this study, the CASA model was adopted to measure the net primary productivity to represent the supply of carbon sequestration service. Meanwhile, the IPCC Guideline Inventory as well as the carbon metabolism method were used to measure the anthropogenic CO2 emissions to represent the demand of carbon sequestration service. Then, the balance of the supply and demand of carbon sequestration service in 2000 and 2013 were analyzed. The results showed that the supply of carbon sequestration service in 2000 was in short, the overall supply/demand ratio being 53.5%. Spatially, the demand of the service was far beyond the supply of the service in the central districts whereas the situation was opposite in the northern and western districts. In 2013, the gap between the supply and demand of the service was even larger that the supply/demand ratio dropped to 38.5%. Spatially, the gap between the supply and demand was widened in the central districts. The widened gap was mainly due to the increase in CO2 emissions accompanying with urbanization process. Specifically, CO2 emissions from household use and transportation contributed most to the increase. Therefore, it is highly recommended to enhance ecological conservation, improve the efficiency of energy consumption and accelerate the transformation of industrial structure for a more sustainable development path in Beijing.

Key words: Beijing, carbon sequestration service, CASA model, IPCC Guideline Inventory, supply and demand of ecosystem service

中图分类号: 

  • X171.1