Carbon sequestration potential of biomass carbon pool for new afforestation in China during 2005-2013

被引：0
|
作者：
Liao L. [1 ,2 ]
Zhou L. [2 ]
Wang S. [2 ,3 ]
Wang X. [1 ]
机构：
[1] Key Laboratory of Spatial Data Mining & Information Sharing of MOE, National Engineering Research Centre of Geo-spatial Information Technology, Fuzhou University, Fuzhou
[2] Key Laboratory of Ecosystem Network Observation and Modeling, Institute of Geographic Sciences and Natural Resources Research, CAS, Beijing
[3] College of Resources and Environment, University of Chinese Academy of Sciences, Beijing
来源：
Zhou, Lei (zhoulei@igsnrr.ac.cn) | 1939年 / Science Press卷 / 71期
基金：
中国国家自然科学基金;
关键词：
Biomass; Carbon sequestration potential; Carbon sink; China; New afforestation; Volume;
D O I：
10.11821/dlxb201611006
中图分类号：
学科分类号：
摘要：
Accurate estimation of the carbon sequestration potential of afforestation helps us better understand the carbon cycle in China and provides the guide for national forest policies. Forest data from China Forestry Statistical Yearbook were used to estimate carbon stocks and explore the carbon sequestration potential in China's forests in the next 100 years. In this study, we estimate the forest biomass carbon storage and carbon sequestration potential of new afforestation in China over the next 100 years based on new afforestation area from China Forestry Statistical Yearbook during 2005-2013 and forest type map in 2010 derived from remote sensing information. In the consideration of annual forest survival rate, carbon pools of the new afforestation are estimated with the forest growth equations for different forest types. The potential changes in China's forest biomass carbon storage between 2005 and 2100 were estimated with reconstructed forest areas. The results show that the total new afforestation area of China are 4394 × 104 hm2 from 2005 to 2013. With the assumption of continuous natural forest growth, the volume of new afforestation during 2005-2013 will increase to 16.8 billion m3. The biomass and carbon pool will increase to 1.6 Pg and 0.76 Pg C by 2020, respectively. The new afforestation biomass carbon storage will increase by 2.11 Pg C during 2005-2100. The carbon storage of new afforestation over the next 100 years are about 25% of current biomass carbon stocks in forests and are about 1.5 times of total forest carbon sink of the past 20 years. Furthermore, the biomass carbon density of China's afforestation will reach 48.1 Mg C/hm2 by 2100. In China, the new afforestation has played an important role in the increase of forest carbon storage and has a great potential for carbon sequestration. Therefore, forest management in China is of importance to mitigate increases in greenhouse gas emissions. © 2016, Science Press. All right reserved.
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页码：1939 / 1947
页数：8
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