Articles | Volume 14, issue 11
https://doi.org/10.5194/tc-14-3907-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/tc-14-3907-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
the Creative Commons Attribution 4.0 License.
Research article
| 
11 Nov 2020
Research article |
| 11 Nov 2020
| 11 Nov 2020
Permafrost thawing exhibits a greater influence on bacterial richness and community structure than permafrost age in Arctic permafrost soils
Key Laboratory of Alpine Ecology, Institute of Tibetan Plateau
Research, Chinese Academy of Sciences (CAS), Beijing 100101, China
College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100039, China
Key Laboratory of Alpine Ecology, Institute of Tibetan Plateau
Research, Chinese Academy of Sciences (CAS), Beijing 100101, China
College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100039, China
CAS Center for Excellence in Tibetan Plateau Earth Sciences, Chinese Academy of Sciences, Beijing 100101, China
Chao Liang
Institute of Applied Ecology, Chinese Academy of Sciences, Shenyang 110016, China
Tianqi Zhou
Key Laboratory of Alpine Ecology, Institute of Tibetan Plateau
Research, Chinese Academy of Sciences (CAS), Beijing 100101, China
College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100039, China
Hongzeng Jia
Key Laboratory of Alpine Ecology, Institute of Tibetan Plateau
Research, Chinese Academy of Sciences (CAS), Beijing 100101, China
College of Resources and Environment, University of Chinese Academy of Sciences, Beijing 100039, China
Xiaobin Dong
State Key Laboratory of Earth Surface Processes and Resource Ecology, College of Resources Science and Technology, Beijing Normal University, Beijing 100875, China
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Short summary
Old permafrost soil usually has more carbohydrates, while younger soil contains more aliphatic carbons, which substantially impacts soil bacterial communities. However, little is known about how permafrost age and thawing drive microbial communities. We found that permafrost thawing significantly increased bacterial richness in young permafrost and changed soil bacterial compositions at all ages. This suggests that thawing results in distinct bacterial species and alters soil carbon degradation.
Old permafrost soil usually has more carbohydrates, while younger soil contains more aliphatic...
