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Magnitude and Drivers of Potential Methane Oxidation and Production across the Tibetan Alpine Permafrost Region

文献类型：期刊论文

作者Zhang, Qiwen2; Yang, Guibiao2; Song, Yutong2; Kou, Dan2; Wang, Guanqin2; Zhang, Dianye2; Qin, Shuqi2; Mao, Chao2; Feng, Xuehui2; Yang, Yuanhe2
刊名ENVIRONMENTAL SCIENCE & TECHNOLOGY
出版日期2019
卷号53期号:24页码:14243-14252
ISSN号0013-936X
DOI10.1021/acs.est.9b03490
文献子类Article
英文摘要Methane (CH4) dynamics across permafrost regions is critical in determining the magnitude and direction of permafrost carbon (C)-climate feedback. However, current studies are mainly derived from the Arctic area, with limited evidence from other permafrost regions. By combining large-scale laboratory incubation across 51 sampling sites with machine learning techniques and bootstrap analysis, here, we determined regional patterns and dominant drivers of CH4 oxidation potential in alpine steppe and meadow (CH4 sink areas) and CH4 production potential in swamp meadow (CH4 source areas) across the Tibetan alpine permafrost region. Our results showed that both CH4 oxidation potential (in alpine steppe and meadow) and CH4 production potential (in swamp meadow) exhibited large variability across various sampling sites, with the median value being 8.7, 9.6, and 11.5 ng g(-1) dry soil h(-1), respectively. Our results also revealed that methanotroph abundance and soil moisture were two dominant factors regulating CH4 oxidation potential, whereas CH4 production potential was mainly affected by methanogen abundance and the soil organic carbon content, with functional gene abundance acting as the best explaining variable. These results highlight the crucial role of microbes in regulating CH4 dynamics, which should be considered when predicting the permafrost C cycle under future climate scenarios.
学科主题Engineering, Environmental ; Environmental Sciences
出版地WASHINGTON
电子版国际标准刊号1520-5851
WOS关键词GREENHOUSE-GAS FLUXES ; IN-SITU MEASUREMENTS ; ATMOSPHERIC METHANE ; CLIMATE-CHANGE ; CARBON ; SOIL ; EMISSIONS ; CONSUMPTION ; RESPONSES ; MOISTURE
WOS研究方向Engineering ; Environmental Sciences & Ecology
语种英语
WOS记录号WOS:000503910500020
出版者AMER CHEMICAL SOC
资助机构National Natural Science Foundation of ChinaNational Natural Science Foundation of China (NSFC) [31670482, 31825006, 31988102] ; Key Research Program of Frontier Sciences, Chinese Academy of Sciences [QYZDB-SSWSMC049] ; Chinese Academy of Sciences -Peking University Pioneer Cooperation Team
源URL[http://ir.ibcas.ac.cn/handle/2S10CLM1/19484]  
专题植被与环境变化国家重点实验室
作者单位1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
2.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		 Zhang, Qiwen,Yang, Guibiao,Song, Yutong,et al. Magnitude and Drivers of Potential Methane Oxidation and Production across the Tibetan Alpine Permafrost Region[J]. ENVIRONMENTAL SCIENCE & TECHNOLOGY,2019,53(24):14243-14252.
APA Zhang, Qiwen.,Yang, Guibiao.,Song, Yutong.,Kou, Dan.,Wang, Guanqin.,...&Yang, Yuanhe.(2019).Magnitude and Drivers of Potential Methane Oxidation and Production across the Tibetan Alpine Permafrost Region.ENVIRONMENTAL SCIENCE & TECHNOLOGY,53(24),14243-14252.
MLA Zhang, Qiwen,et al."Magnitude and Drivers of Potential Methane Oxidation and Production across the Tibetan Alpine Permafrost Region".ENVIRONMENTAL SCIENCE & TECHNOLOGY 53.24(2019):14243-14252.

入库方式： OAI收割

来源：植物研究所

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