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Nitrogen loss process in hypoxic seawater based on the culture experiment
Tian, Dongfan; Wang, Yueqi; Xing, Jianwei; Sun, Qiqi; Song, Jinming1; Li, Xuegang1
2020-03-01
Source PublicationMARINE POLLUTION BULLETIN
ISSN0025-326X
Volume152Pages:9
Corresponding AuthorSong, Jinming(jmsong@qdio.ac.cn) ; Li, Xuegang(lixuegang@qdio.ac.cn)
AbstractThe oxygen minimum zones (OMZs) and other hypoxic seawaters are considered as the main areas of oceanic nitrogen loss. The laboratory simulation culture was conducted to study the main reactions, rates and proportions of dissolved inorganic nitrogen (DIN) in different dissolved oxygen concentrations seawater, with aim of clarifying the process of nitrogen loss in hypoxic seawater. The results showed that the change of DIN in hypoxic water could be divided into three stages. In the first stage, the main reactions were the dissimilatory nitrate reduction to ammonium (DNRA) and denitrification. In the second stage, anammox and denitrification were main reactions. In the last stage, anammox was the most important nitrogen loss reaction; nitrogen loss eventually reached a relative balance with the input from sediment mineralization. Based on the data obtained from the last stage, the annual nitrogen loss could be estimated to be about 240-260 Tg in the global OMZs.
KeywordTransformation Dissolved inorganic nitrogen Hypoxic Simulated culture experiment
DOI10.1016/j.marpolbul.2020.110912
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[91958103] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDA19060401] ; Science & Technology Basic Resources Investigation Program of China[2017TY100802]
WOS Research AreaEnvironmental Sciences & Ecology ; Marine & Freshwater Biology
WOS SubjectEnvironmental Sciences ; Marine & Freshwater Biology
WOS IDWOS:000544550000022
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.qdio.ac.cn/handle/337002/167841
Collection海洋生态与环境科学重点实验室
Corresponding AuthorSong, Jinming; Li, Xuegang
Affiliation1.Chinese Acad Sci, Inst Oceanol, CAS Key Lab Marine Ecol & Environm Sci, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Funct Lab Marine Ecol & Environm Sci, Qingdao 266237, Peoples R China
3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Ctr Ocean Megasci, Qingdao 266071, Peoples R China
Corresponding Author AffilicationKey Laboratory of Marine Ecology & Environmental Sciences, CAS
Recommended Citation
GB/T 7714
Tian, Dongfan,Wang, Yueqi,Xing, Jianwei,et al. Nitrogen loss process in hypoxic seawater based on the culture experiment[J]. MARINE POLLUTION BULLETIN,2020,152:9.
APA Tian, Dongfan,Wang, Yueqi,Xing, Jianwei,Sun, Qiqi,Song, Jinming,&Li, Xuegang.(2020).Nitrogen loss process in hypoxic seawater based on the culture experiment.MARINE POLLUTION BULLETIN,152,9.
MLA Tian, Dongfan,et al."Nitrogen loss process in hypoxic seawater based on the culture experiment".MARINE POLLUTION BULLETIN 152(2020):9.
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