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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
发表期刊MARINE POLLUTION BULLETIN
ISSN0025-326X
卷号152页码:9
通讯作者Song, Jinming(jmsong@qdio.ac.cn) ; Li, Xuegang(lixuegang@qdio.ac.cn)
摘要The 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.
关键词Transformation Dissolved inorganic nitrogen Hypoxic Simulated culture experiment
DOI10.1016/j.marpolbul.2020.110912
收录类别SCI
语种英语
资助项目National 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研究方向Environmental Sciences & Ecology ; Marine & Freshwater Biology
WOS类目Environmental Sciences ; Marine & Freshwater Biology
WOS记录号WOS:000544550000022
出版者PERGAMON-ELSEVIER SCIENCE LTD
引用统计
被引频次:2[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.qdio.ac.cn/handle/337002/167841
专题海洋生态与环境科学重点实验室
通讯作者Song, Jinming; Li, Xuegang
作者单位1.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
通讯作者单位海洋生态与环境科学重点实验室
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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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