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Metal concentrations in the mussel Bathymodiolus platifrons from a cold seep in the South China Sea
Wang, Xiaocheng1,2,3; Li, Chaolun1,2,3,4; Zhou, Li4
2017-11-01
发表期刊DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS
卷号129页码:80-88
文章类型Article
摘要Data regarding the concentration and distribution of various metals in different tissues of mussels from the cold seep is scant. We aimed to quantify the presence of twenty elements (Ca, K, Mg, Sr, Ag, Al, As, Ba, Cd, Co, Cr, Cu, Li, Fe, Mn, Mo, Ni, Pb, V, and Zn) in gills, mantles and shells of Bathymodiolus platifrons, a common mussel species in deep-sea cold seep and hydrothermal vent communities. Specimens of B. platifrons were sampled from a cold seep at the northern continental slope of the South China Sea and the elemental contents in its tissues were quantified. Our findings were compared to data from taxonomically similar species at hydrothermal vents and coastal waters. We found that most elements were signifcantly enriched in the gills, which could be related to food uptake and the existence of endosymbionts. In shells and mantles, Mn was particularly rich, possibly due to its replacement of Ca in the carbonate structure. A significant positive correlation among Ca, Sr, and Mg was found in both gills and mantles, consistent with relationships observed in vent and littoral mussel species. Concentrations of metals were highest in the new-growth outer edges of shells in comparison to older shell material, which suggests that trace metals have become more abundant in the ambient seawater in recent years. Compared with other deep-sea environments and coastal areas, metal accumulation showed local variability but similar overall patterns of uptake and accumulation, indicating that essential elemental requirements in different mussel species may be similar across taxa. The high bioconcentration factor (BCF) values of Mn and Ag suggest that their particular functions and regulation mechanisms are related to specific adaptations and life cycle processes.
关键词Cold Seep South China Sea Mussel Bioaccumulation Biological Functions
DOI10.1016/j.dsr.2017.10.004
收录类别SCI
语种英语
WOS记录号WOS:000416191600008
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文献类型期刊论文
版本出版稿
条目标识符http://ir.qdio.ac.cn/handle/337002/143291
专题海洋生态与环境科学重点实验室
作者单位1.Chinese Acad Sci, Inst Oceanol, Key Lab Marine Ecol & Environm Sci, 7 Nanhai Rd, Qingdao 266071, Peoples R China
2.Qingdao Natl Lab Marine Sci & Technol, Lab Marine Ecol & Emnronm Sci, Qingdao 266071, Peoples R China
3.Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China
4.Chinese Acad Sci, Inst Oceanol, Deep Sea Res Ctr, 7 Nanhai Rd, Qingdao 266071, Peoples R China
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Wang, Xiaocheng,Li, Chaolun,Zhou, Li. Metal concentrations in the mussel Bathymodiolus platifrons from a cold seep in the South China Sea[J]. DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,2017,129:80-88.
APA Wang, Xiaocheng,Li, Chaolun,&Zhou, Li.(2017).Metal concentrations in the mussel Bathymodiolus platifrons from a cold seep in the South China Sea.DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS,129,80-88.
MLA Wang, Xiaocheng,et al."Metal concentrations in the mussel Bathymodiolus platifrons from a cold seep in the South China Sea".DEEP-SEA RESEARCH PART I-OCEANOGRAPHIC RESEARCH PAPERS 129(2017):80-88.
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