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题名:
Stimulation of long-term ammonium nitrogen deposition on methanogenesis by Methanocellaceae in a coastal wetland
作者: Xiao Leilei1,2; Xie Baohua2; Liu Jinchao1,3; Zhang Hongxia1,3; Han Guangxuan2; Wang Oumei4; Liu Fanghua1,2
刊名: SCIENCE OF THE TOTAL ENVIRONMENT
ISSN号: 0048-9697
出版日期: 2017-10-01
卷号: 595, 页码:337-343
关键词: Atmospheric nitrogen deposition ; Ammonium and nitrate nitrogen ; Methane flux ; Methanogens ; Dry-wet alternate ; Coastal wetland
学科分类: Environmental Sciences & Ecology
DOI: 10.1016/j.scitotenv.2017.03.279
产权排序: (1) Key Laboratory of Coastal Biology and Biological Resources Utilization, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai; 264003, China; (2) Key Laboratory of Coastal Environmental Processes and Ecological Remediation, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences, Yantai; 264003, China; (3) University of Chinese Academy of Sciences, Beijing; 100049, China; (4) Binzhou Medical University, Yantai, China
通讯作者: Wang, OM (reprint author), Binzhou Med Univ, 346 Guanhai Rd, Yantai 264003, Shandong, Peoples R China.
作者部门: 中科院海岸带环境过程与生态修复重点实验室
英文摘要: Atmospheric nitrogen deposition caused by human activities has been receiving much attention. Here, after long-term simulated ammonium and nitrate nitrogen deposition (NH4Cl,KNO3, and NH4NO3) in the Yellow River Delta (YRD), a sensitive coastal wetland ecosystem typified by a distinct wet and dry season, methane fluxes were measured, by adopting a closed static chamber technique. The results showed that deposition of ammonium nitrogen accelerated methane emissions all year round. Ammonium nitrogen deposition transformed the YRD from a methane sink into a source during the dry season. Methanocellaceae is the only methanogen with increased abundance after the application of NH4Cl and NH4NO3, which promoted methane emissions, during the wet season. The findings suggested that Methanocellaceae may facilitate methane emissions in response to increased ammonium nitrogen deposition. Other methanogens might have profited from ammonium supplementation, such as Methanosarcinaceae. Deposition of nitrate nitrogen did not affect methane flux significantly. To the best of our knowledge, this study is the first to show that Methanocellaceae may be responsible for methane production in coastal wetland system. This study highlights the significant effect of ammonium nitrogen and slight effect of nitrate nitrogen on methane emission in the YRD and it will be helpful to understand the microbial mechanism responding to increased nitrogen deposition in the sensitive coastal wetland ecosystem. (C) 2017 Elsevier B.V. All rights reserved.
研究领域[WOS]: Environmental Sciences & Ecology
项目资助者: National Natural Science Foundation of China(41371257 ; Key Research Project of Frontier Science of Chinese Academy of Sciences(QYZDJ-SSW-DQC015) ; Natural Science Foundation of Shandong Province(ZR2016DQ12) ; Young Taishan Scholars Program of Shandong Province(tsqn20161054) ; 41573071 ; 41205118)
关键词[WOS]: YELLOW-RIVER DELTA ; RICE FIELDS ; METHANE ; SOIL ; EMISSIONS ; ECOSYSTEM ; FERTILIZERS ; RESPONSES ; ARCHAEA ; GENOME
文章类型: Article
收录类别: SCI
语种: 英语
WOS记录号: WOS:000401556800034
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.yic.ac.cn/handle/133337/22093
Appears in Collections:中科院海岸带环境过程与生态修复重点实验室_期刊论文

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作者单位: 1.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Biol & Biol Resources Utilizat, Yantai 264003, Peoples R China
2.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Key Lab Coastal Environm Proc & Ecol Remediat, Yantai 264003, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Binzhou Med Univ, 346 Guanhai Rd, Yantai 264003, Shandong, Peoples R China

Recommended Citation:
Xiao Leilei,Xie Baohua,Liu Jinchao,et al. Stimulation of long-term ammonium nitrogen deposition on methanogenesis by Methanocellaceae in a coastal wetland[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2017,595:337-343.
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