中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
首页 机构 成果 学者
  
  1. CAS IR Grid
  2. 深海科学与工程研究所
  3. 中国科学院深海科学与工程研究所
  4. 深海科学研究部
  5. 深海地质与地球化学研究室
Deep sea cold seeps are a sink for mercury and source for methylmercury

文献类型：期刊论文

作者Li, Jiwei7; Dong, Xiyang6; Tang, Yongjie7; Zhang, Chuwen6; Yang, Yali7; Zhang, Wei5; Liu, Shanshan4; Yuan, Wei5; Feng, Xinbin3,5; Heimbuerger-Boavida, Lars-Eric2
刊名COMMUNICATIONS EARTH & ENVIRONMENT
出版日期2024-06-14
卷号5期号:1页码:10
DOI10.1038/s43247-024-01484-7
英文摘要The effect of seafloor cold seeps on the biogeochemical cycling of mercury (Hg) remains enigmatic. Here we demonstrate substantial enrichments of mercury and methylmercury, along with the presence of microbes capable of metabolizing mercury in sediments of the Haima cold seep, South China Sea, by analyzing mercury and methylmercury concentrations, mercury isotopic composition analyses and metagenomic analyses of sediment cores. Compared to the reference area, the sediments in the upper sediment column of the active-seep area were 2.4 times enriched in Hg and 10.5 times in methylmercury. The slope of the capital delta ratio of mercury 199 to mercury 201 (Delta 199Hg/Delta 201Hg) with 1.23 +/- 0.10 in the active-seep area indicate the occurrence of dark redox reactions. Genes related to mercury methylation (hgcA), demethylation (merB) and reduction (merA) were phylogenetically associated with several bacterial and archaeal linages. We roughly estimated an additional 2,835 Mg mercury and 9 Mg methylmercury are stored in cold seep globally. In summary, we propose that cold seeps globally function as a previously unrecognized sink for mercury and source for methylmercury in the deep ocean. Seafloor cold seeps can act as a sink for mercury and a source for methylmercury in the deep ocean, according to the results from geochemical and geomicrobiological analysis of sediments of the Haima cold seep in the South China Sea.
WOS关键词ATMOSPHERIC MERCURY ; STABLE-ISOTOPES ; ORGANIC-MATTER ; SEDIMENTS ; ALIGNMENT ; COLUMN ; CHINA ; EARTH ; TOOL
资助项目the National Natural Science Foundation of China, 41921004[2022YFC2805500] ; National Key Research and Development Program of China[42176072] ; National Key Research and Development Program of China[41876050] ; National Key Research and Development Program of China[41921004] ; National Natural Science Foundation of China[SKLEG20202020210] ; Opening Fund of the State Key Laboratory of Environmental Geochemistry[KJRC2023C14] ; Opening Fund of the State Key Laboratory of Environmental Geochemistry[GZ2019SIG] ; Hainan Province Science and Technology Talents Innovation Project[ANR-21-CE34-0026] ; French National Funding Agency (HydrOThermal Mercury)
WOS研究方向Environmental Sciences & Ecology ; Geology ; Meteorology & Atmospheric Sciences
语种英语
WOS记录号WOS:001249126300002
出版者SPRINGERNATURE
资助机构the National Natural Science Foundation of China, 41921004 ; National Key Research and Development Program of China ; National Natural Science Foundation of China ; Opening Fund of the State Key Laboratory of Environmental Geochemistry ; Hainan Province Science and Technology Talents Innovation Project ; French National Funding Agency (HydrOThermal Mercury)
源URL[http://ir.idsse.ac.cn/handle/183446/11503]  
专题深海科学研究部_深海地质与地球化学研究室
研究生部
专家咨询委员会
通讯作者Shang, Lihai; Peng, Xiaotong
作者单位1.Univ Manitoba, Ctr Earth Observat Sci, Dept Environm & Geog, Winnipeg, MB, Canada
2.Univ Toulon & Var, Aix Marseille Univ, Mediterranean Inst Oceanog MIO, CNRS INSU,IRD, Marseille, France
3.Univ Chinese Acad Sci, Beijing, Peoples R China
4.BGI Qingdao, Qingdao, Peoples R China
5.Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang, Peoples R China
6.Minist Nat Resources, Inst Oceanog 3, Key Lab Marine Genet Resources, Xiamen, Peoples R China
7.Chinese Acad Sci, Inst Deep Sea Sci & Engn, Sanya, Peoples R China
推荐引用方式
GB/T 7714		 Li, Jiwei,Dong, Xiyang,Tang, Yongjie,et al. Deep sea cold seeps are a sink for mercury and source for methylmercury[J]. COMMUNICATIONS EARTH & ENVIRONMENT,2024,5(1):10.
APA Li, Jiwei.,Dong, Xiyang.,Tang, Yongjie.,Zhang, Chuwen.,Yang, Yali.,...&Peng, Xiaotong.(2024).Deep sea cold seeps are a sink for mercury and source for methylmercury.COMMUNICATIONS EARTH & ENVIRONMENT,5(1),10.
MLA Li, Jiwei,et al."Deep sea cold seeps are a sink for mercury and source for methylmercury".COMMUNICATIONS EARTH & ENVIRONMENT 5.1(2024):10.

入库方式： OAI收割

来源：深海科学与工程研究所

浏览0
下载0
收藏0
其他版本

除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。