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学科主题: Environmental Sciences & Ecology
题名: Effect of heavy metals (Cu, Pb, and As) on the ultrastructure of Sargassum pallidum in Daya Bay, China
作者: Miao, L ; Yan, W ; Zhong, LF ; Xu, WH
通讯作者: wyan@scsio.ac.cn
关键词: Heavy metals ; Ultrastructure ; Sargassum pallidum ; Bay
刊名: ENVIRONMENTAL MONITORING AND ASSESSMENT
发表日期: 2014
卷: 186, 期:1, 页:87-95
收录类别: sci
部门归属: [Miao, Li ; Yan, Wen ; Zhong, Lifeng ; Xu, Weihai] Chinese Acad Sci, South China Sea Inst Oceanol, Key Lab Marginal Sea Geol, Guangzhou 510301, Guangdong, Peoples R China
项目归属: 海洋地质
资助者: National Natural Science Foundation of China [41106104]
摘要: Concentrations of Cu, Pb, and As were determined in seawater, surface sediment, Sargassum pallidum collected from the Daya Bay, China. The influence of metal contamination on the marine alga was investigated at chemical and ultrastructural level. Mean concentrations of Cu (19.44 mg kg(-1)) and Pb (33.99 mg kg(-1)) were found to be high in sediment, whereas concentration of As (122.29 mg kg(-1)) in S. pallidum was higher than that in water and sediment. The ultrastructure of S. pallidum cells was anomalous and aberrant. Energy-dispersive x-ray spectroscopic analysis revealed that the nanometal particles in the form of comparatively high-electron density substance diffused in the cell structures constituted by Cu, Pb, As, etc. There is a remarkable similarity or correspondence in the anomalous elements between the geochemistry and the botanic cell, and the heavy metals have potential hazardous effect on the ocean ecology system in Daya Bay.
原文出处: 查看原文
WOS记录号: WOS:000328229200008
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内容类型: 期刊论文
URI标识: http://ir.scsio.ac.cn/handle/344004/10660
Appears in Collections:中科院边缘海地质重点实验室_期刊论文

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Miao, L; Yan, W; Zhong, LF; Xu, WH.Effect of heavy metals (Cu, Pb, and As) on the ultrastructure of Sargassum pallidum in Daya Bay, China,ENVIRONMENTAL MONITORING AND ASSESSMENT,2014,186(1):87-95
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