Knowledge Management System of Northwest Institute of Plateau Biology, CAS
Spatial-temporal variation, sources and driving factors of organic carbon burial in rift lakes on Yunnan-Guizhou plateau since 1850 | |
Zhuo, Y; Zeng, WH; Cui, D; Ma, BR; Xie, YX; Wang, JP | |
2021 | |
发表期刊 | ENVIRONMENTAL RESEARCH
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卷号 | 201 |
摘要 | Burial of organic carbon (OC) in rift lakes on plateau is an important part of the global cycle. It is affected by natural and anthropogenic factors. In this study, we selected the sediment records of 7 rift lakes on the Yunnan Guizhou Plateau to study spatial-temporal variation, sources and driving factors of organic carbon burial since 1850. The analysis of the temporal and spatial trend of carbon burial shows that the TOC concentration, TOC flux, C: N and mass accumulate rate have increased significantly since 1850. Co-occurrence network analysis indicated that a strong correlation between the TOC concentration and silty. TOC concentration were identified as core genera due to their high concentration. Carbon isotope tracing results show that before 1950, endogenous OC input played a dominant role, and after 1950, the proportion of exogenous OC increased. Canonical correlation analysis indicated that after 1950, agriculture intensification and population increase become one of the factors affecting the carbon burial of lakes in this area. The result of this study indicate that anthropogenic factors have become the main factors promoting carbon burial in rift lakes on the plateau. |
收录类别 | SCIE |
文献类型 | 期刊论文 |
条目标识符 | http://210.75.249.4/handle/363003/61375 |
专题 | 中国科学院西北高原生物研究所 |
推荐引用方式 GB/T 7714 | Zhuo, Y,Zeng, WH,Cui, D,et al. Spatial-temporal variation, sources and driving factors of organic carbon burial in rift lakes on Yunnan-Guizhou plateau since 1850[J]. ENVIRONMENTAL RESEARCH,2021,201. |
APA | Zhuo, Y,Zeng, WH,Cui, D,Ma, BR,Xie, YX,&Wang, JP.(2021).Spatial-temporal variation, sources and driving factors of organic carbon burial in rift lakes on Yunnan-Guizhou plateau since 1850.ENVIRONMENTAL RESEARCH,201. |
MLA | Zhuo, Y,et al."Spatial-temporal variation, sources and driving factors of organic carbon burial in rift lakes on Yunnan-Guizhou plateau since 1850".ENVIRONMENTAL RESEARCH 201(2021). |
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