IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Inter-Annual Variations of Methane Emission from an Open Fen on the Qinghai-Tibetan Plateau: A Three-Year Study
Chen, Huai1,2; Wu, Ning1; Wang, Yanfen3; Zhu, Dan1; Zhu, Qiu'an2; Yang, Gang2; Gao, Yongheng4; Fang, Xiuqin5; Wang, Xu6; Peng, Changhui2,5
Corresponding AuthorChen, H
2013-01-14
Source PublicationPLOS ONE
ISSN1932-6203
Volume8Issue:1Pages:1–8
SubtypeArticle
AbstractThe study aimed to understand the inter-annual variations of methane (CH4) emissions from an open fen on the Qinghai-Tibetan Plateau (QTP) from 2005 to 2007. The weighted mean CH4 emission rate was 8.37 +/- 11.32 mg CH4 m(-2) h(-1) during the summers from 2005 to 2007, falling in the range of CH4 fluxes reported by other studies, with significant inter-annual and spatial variations. The CH4 emissions of the year of 2006 (2.11 +/- 3.48 mg CH4 m(-2) h(-1)) were 82% lower than the mean value of the years 2005 and 2007 (13.91 +/- 17.80 mg CH4 m(-2) h(-1) and 9.44 +/- 14.32 mg CH4 m(-2) h(-1), respectively), responding to the inter-annual changes of standing water depths during the growing season of the three years. Significant drawdown of standing water depth is believed to cause such significant reduction in CH4 emissions from wetlands in the year 2006, probably through changing the methanogen composition and decreasing its community size as well as activating methanotrophs to enhance CH4 oxidation. Our results are helpful to understand the inter-annual variations of CH4 emission and provide a more reasonable regional budget of CH4 emission from wetlands on the QTP and even for world-wide natural wetlands under climate change.
KeywordMoist Tropical Forest Nitrous-oxide Fluxes Experimental Drought Carbon-dioxide Soil Emissions Alpine Wetland Nitric-oxide Rice Fields China Climate
WOS HeadingsScience & Technology
DOI10.1371/journal.pone.0053878
WOS Subject ExtendedScience & Technology - Other Topics
Indexed BySCI
WOS KeywordMOIST TROPICAL FOREST ; NITROUS-OXIDE FLUXES ; EXPERIMENTAL DROUGHT ; CARBON-DIOXIDE ; SOIL EMISSIONS ; ALPINE WETLAND ; NITRIC-OXIDE ; RICE FIELDS ; CHINA ; CLIMATE
Language英语
WOS SubjectMultidisciplinary Sciences
WOS IDWOS:000314759400093
Funding OrganizationNational Natural Science Foundation of China(31100348) ; Natural Science Foundation Project of CQ CSTC(2009BB7182) ; Natural Sciences and Engineering Research Council of Canada (NSERC) ; China QianRen programme
Citation statistics
Cited Times:143[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/5462
Collection山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, Chengdu Inst Biol, Chengdu, Peoples R China
2.NW A&F Univ, Lab Ecol Forecasting & Global Change, Coll Forestry, Yangling, Peoples R China
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu, Peoples R China
5.Univ Quebec Montreal, Inst Environm Sci, Montreal, PQ, Canada
6.Chinese Acad Forestry, Res Inst Trop Forestry, Guangzhou, Guangdong, Peoples R China
Recommended Citation
GB/T 7714
Chen, Huai,Wu, Ning,Wang, Yanfen,et al. Inter-Annual Variations of Methane Emission from an Open Fen on the Qinghai-Tibetan Plateau: A Three-Year Study[J]. PLOS ONE,2013,8(1):1–8.
APA Chen, Huai.,Wu, Ning.,Wang, Yanfen.,Zhu, Dan.,Zhu, Qiu'an.,...&Peng, Changhui.(2013).Inter-Annual Variations of Methane Emission from an Open Fen on the Qinghai-Tibetan Plateau: A Three-Year Study.PLOS ONE,8(1),1–8.
MLA Chen, Huai,et al."Inter-Annual Variations of Methane Emission from an Open Fen on the Qinghai-Tibetan Plateau: A Three-Year Study".PLOS ONE 8.1(2013):1–8.
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