Impact of forest fires generated black carbon deposition fluxes in Great Hinggan Mountains (China)
C. Y. Gao, J. B. He, J. X. Cong, S. Q. Zhang and G. P. Wang
刊名Land Degradation & Development
2018
卷号29期号:7页码:2073-2081
通讯作者王国平
中文摘要Black carbon is produced by incomplete combustion of fossil fuels and biomass. The production of black carbon over the last several centuries has been primarily influenced by human activities. Human exploitation of forest resources, together with increases in regional fire frequency and intensity, can increase regional black carbon emissions and can led more black carbon deposited into natural ecosystem. Here, based on Pb-210 age-depth model, we investigated black carbon deposition over several key periods in the last 150years in 5 peatlands of the Great Hinggan Mountains (Northeast China), an area that has been exploited by humans without forest protection policies. The results showed that average black carbon deposition fluxes from different peatlands in the Great Hinggan Mountains were 1.1 to 4.8mgyear(-1)cm(-2), which were similar to other peatland distribution regions and higher than other ecosystems. Frequent and intense fire events during the exploitation period led to regional peak black carbon deposition before the 1980s. After the 1980s, fire events were controlled, and the government implemented forest protection policies that decreased the trend in regional fire frequency in the Great Hinggan Mountains and markedly decreased black carbon deposition. Fire events controlled by regional human activities are therefore the major factor that influence regional black carbon deposition fluxes, and frequent forest fires could increase black carbon deposition fluxes in surrounding ecosystem.
内容类型期刊论文
源URL[http://ir.iga.ac.cn/handle/131322/8831]  
专题东北地理与农业生态研究所_湿地生态系统管理学科组_期刊论文
推荐引用方式
GB/T 7714
C. Y. Gao, J. B. He, J. X. Cong, S. Q. Zhang and G. P. Wang. Impact of forest fires generated black carbon deposition fluxes in Great Hinggan Mountains (China)[J]. Land Degradation & Development,2018,29(7):2073-2081.
APA C. Y. Gao, J. B. He, J. X. Cong, S. Q. Zhang and G. P. Wang.(2018).Impact of forest fires generated black carbon deposition fluxes in Great Hinggan Mountains (China).Land Degradation & Development,29(7),2073-2081.
MLA C. Y. Gao, J. B. He, J. X. Cong, S. Q. Zhang and G. P. Wang."Impact of forest fires generated black carbon deposition fluxes in Great Hinggan Mountains (China)".Land Degradation & Development 29.7(2018):2073-2081.
个性服务
查看访问统计
相关权益政策
暂无数据
收藏/分享
所有评论 (0)
暂无评论
 

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。


©版权所有 ©2017 CSpace - Powered by CSpace