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
通讯作者Chen, H
2013-01-14
发表期刊PLOS ONE
ISSN1932-6203
卷号8期号:1页码:1–8
文章类型Article
摘要The 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.
关键词Moist Tropical Forest Nitrous-oxide Fluxes Experimental Drought Carbon-dioxide Soil Emissions Alpine Wetland Nitric-oxide Rice Fields China Climate
WOS标题词Science & Technology
DOI10.1371/journal.pone.0053878
研究领域[WOS]Science & Technology - Other Topics
收录类别SCI
关键词[WOS]MOIST TROPICAL FOREST ; NITROUS-OXIDE FLUXES ; EXPERIMENTAL DROUGHT ; CARBON-DIOXIDE ; SOIL EMISSIONS ; ALPINE WETLAND ; NITRIC-OXIDE ; RICE FIELDS ; CHINA ; CLIMATE
语种英语
WOS类目Multidisciplinary Sciences
WOS记录号WOS:000314759400093
项目资助者National 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
引用统计
被引频次:70[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.imde.ac.cn/handle/131551/5462
专题山地表生过程与生态调控重点实验室
作者单位1.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
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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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