Determinants of carbon release from the active layer and permafrost deposits on the Tibetan Plateau

doi:10.1038/ncomms13046

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	Determinants of carbon release from the active layer and permafrost deposits on the Tibetan Plateau
	Chen, Leiyi ; Liang, Junyi 5; Qin, Shuqi 4; Liu, Li 4; Fang, Kai 4; Xu, Yunping 1,3; Ding, Jinzhi 4; Li, Fei 4; Luo, Yiqi 5; Yang, Yuanhe
刊名	NATURE COMMUNICATIONS
	2016
卷号	7
ISSN号	2041-1723
DOI	10.1038/ncomms13046
文献子类	Article
英文摘要	The sign and magnitude of permafrost carbon (C)-climate feedback are highly uncertain due to the limited understanding of the decomposability of thawing permafrost and relevant mechanistic controls over C release. Here, by combining aerobic incubation with biomarker analysis and a three-pool model, we reveal that C quality (represented by a higher amount of fast cycling C but a lower amount of recalcitrant C compounds) and normalized CO2-C release in permafrost deposits were similar or even higher than those in the active layer, demonstrating a high vulnerability of C in Tibetan upland permafrost. We also illustrate that C quality exerts the most control over CO2-C release from the active layer, whereas soil microbial abundance is more directly associated with CO2-C release after permafrost thaw. Taken together, our findings highlight the importance of incorporating microbial properties into Earth System Models when predicting permafrost C dynamics under a changing environment.
学科主题	Multidisciplinary Sciences
出版地	LONDON
WOS关键词	SOIL ORGANIC-MATTER ; TRACE GAS-PRODUCTION ; TEMPERATURE SENSITIVITY ; CLIMATE-CHANGE ; CO2 PRODUCTION ; VULNERABILITY ; TURNOVER ; TUNDRA ; THAW ; MINERALIZATION
WOS研究方向	Science Citation Index Expanded (SCI-EXPANDED)
语种	英语
出版者	NATURE PUBLISHING GROUP
WOS记录号	WOS:000385548100001
资助机构	National Basic Research Program of China on Global ChangeNational Basic Research Program of China [2014CB954001, 2015CB954201] ; National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31322011, 41371213, 31400364] ; Chinese Academy of Sciences-Peking University Pioneer Collaboration Team ; Thousand Young Talents ProgramChinese Academy of Sciences
内容类型	期刊论文
源URL	[http://ir.ibcas.ac.cn/handle/2S10CLM1/24492]
专题	植被与环境变化国家重点实验室
作者单位	1.Peking Univ, Coll Urban & Environm Sciecnces, Minist Educ, Key Lab Earth Surface Proc, Beijing 100871, Peoples R China 2.Shanghai Ocean Univ, Coll Marine Sci, Shanghai Engn Res Ctr Hadal Sci & Technol, Shanghai 201306, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Univ Oklahoma, Dept Bot & Microbiol, Norman, OK 73019 USA 5.Chinese Acad Sci, Inst Bot, State Key Lab Vegetat & Environm Change, Beijing 100093, Peoples R China
推荐引用方式 GB/T 7714	Chen, Leiyi,Liang, Junyi,Qin, Shuqi,et al. Determinants of carbon release from the active layer and permafrost deposits on the Tibetan Plateau[J]. NATURE COMMUNICATIONS,2016,7.
APA	Chen, Leiyi.,Liang, Junyi.,Qin, Shuqi.,Liu, Li.,Fang, Kai.,...&Yang, Yuanhe.(2016).Determinants of carbon release from the active layer and permafrost deposits on the Tibetan Plateau.NATURE COMMUNICATIONS,7.
MLA	Chen, Leiyi,et al."Determinants of carbon release from the active layer and permafrost deposits on the Tibetan Plateau".NATURE COMMUNICATIONS 7(2016).