内蒙古生态屏障区固碳服务效应分析

刘婧雅; 秦克玉; 董战峰

doi:10.3981/j.issn.1000-7857.2023.08.01297

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科技导报 ›› 2024, Vol. 42 ›› Issue (7) : 84-92. DOI: 10.3981/j.issn.1000-7857.2023.08.01297

专题：碳中和与绿色低碳发展

内蒙古生态屏障区固碳服务效应分析

作者信息 -

1. 中国科学院地理科学与资源研究所, 生态系统网络观测与模拟重点实验室, 北京 100101;
2. 中国科学院大学, 资源与环境学院, 北京 100190;
3. 生态环境部环境规划院, 生态环境管理与政策研究所, 北京 100012

作者简介:

刘婧雅,博士后,研究方向为生态系统服务,电子信箱:liujy.17b@igsnrr.ac.cn

Analysis of carbon sequestration service effects in Inner Mongolia ecological barrier zone

Author information -

1. Key Laboratory of Ecosytem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China;
2. School of Resources and Environmental Sciences, University of Chinese Academy of Sciences, Beijing 100190, China;
3. Institute of Ecological Environment Management and Policy Research, Chinese Academy of Environmental Planning, Beijing 100012, China

摘要

内蒙古自治区是中国北方重要的生态安全屏障，其生态系统具有很强的固碳能力，然而其固碳效应对区域的影响尚不清晰。采用Carnegie-Ames-Stanford Approach（CASA）模型计算的净初级生产力（net primary production，NPP）推算植被部分的固碳服务供给量，使用上层土壤的有机碳含量作为每年土壤固碳服务的供给量，从碳排放的角度衡量固碳需求的空间分布，分析内蒙古生态屏障区固碳服务的供需平衡状况。在此基础上，通过计算碳汇（固碳服务供给量）和碳源（固碳服务需求量）的差值，基于ArcGIS对固碳服务的空间格局及其流动比率进行空间分析，揭示固碳服务效应。结果表明，研究区固碳服务在总体上供大于求，但在空间分布上具有显著差异。省会城市及各地级市周边普遍表现为供小于求，为需求型区域，是内蒙古固碳服务的潜在受益区范围。其中省会城市的需求程度尤为明显。内蒙古固碳服务流动的实际受益区范围涉及京津冀城市群、山西省、辽宁省、宁夏回族自治区、陕西省榆林市、甘肃省张掖市、金昌市、武威市、白银市。内蒙古作为生态屏障区，其固碳服务对周边地区碳汇效应显著。

Abstract

Supply of carbon sequestration of vegetation is estimated using the CASA model calculating NPP (net primary productivity). The organic carbon content of the upper soil is used as the annual supply of soil carbon sequestration services. The spatial distribution of carbon sequestration demand is measured from the perspective of carbon emissions. The supply-demand balance of carbon sequestration in the ecological barrier area of Inner Mongolia is analyzed. Based on this, the spatial pattern and flow rate of carbon sequestration are analyzed using ArcGIS by calculating the difference between carbon sinks (supply of carbon sequestration services) and carbon sources (demand for carbon sequestration services) to reveal the effectiveness of carbon sequestration services. The results show that carbon sequestration services in the study area are generally in excess of demand but exhibit significant spatial differences. Provincial capital cities and surrounding prefecture-level cities generally show a B_x＜0 pattern, indicating demand-driven regions and potential beneficiary areas of carbon sequestration in Inner Mongolia. The degree of demand is particularly evident in provincial capital cities. The actual benefit areas of carbon sequestration services in Inner Mongolia include the Beijing-Tianjin-Hebei urban agglomeration, Shanxi Province, Liaoning Province, Ningxia Hui Autonomous Region, Yulin City in Shaanxi Province, Zhangye City, Jinchang City, Wuwei City, and Baiyin City in Gansu Province. As an ecological barrier area, Inner Mongolia's carbon sequestration services have a significant carbon sink effect on the surrounding regions.

导出引用

刘婧雅, 秦克玉, 董战峰. 内蒙古生态屏障区固碳服务效应分析[J]. 科技导报, 2024, 42(7): 84-92 https://doi.org/10.3981/j.issn.1000-7857.2023.08.01297

LIU Jingya, QIN Keyu, DONG Zhanfeng. Analysis of carbon sequestration service effects in Inner Mongolia ecological barrier zone[J]. Science & Technology Review, 2024, 42(7): 84-92 https://doi.org/10.3981/j.issn.1000-7857.2023.08.01297

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