Organic matter drives high interannual variability in methylmercury concentrations in a subarctic coastal sea

Soerensen A. L.; Schartup A. T.; Skrobonja A.; Bjorn E.

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Organic matter drives high interannual variability in methylmercury concentrations in a subarctic coastal sea

机译：有机物质推动北极北极沿海海域甲基汞浓度的高年际变化

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Levels of neurotoxic methylmercury (MeHg) in phytoplankton are strongly associated with water MeHg concentrations. Because uptake by phytoplankton is the first and largest step of bioaccumulation in aquatic food webs many studies have investigated factors driving seasonal changes in water MeHg concentrations. Organic matter (OM) is widely accepted as an important driver of MeHg production and uptake by phytoplankton but is also known for strong interannual variability in concentration and composition within systems. In this study, we explore the role of OM on spatial and interannual variability of MeHg in a subarctic coastal sea, the northern Baltic Sea. Using MeHg (2014: 80 +/- 25 fM; 2015:

机译：浮游植物中神经毒性甲基汞（MeHg）的水平与水中MeHg浓度密切相关。由于浮游植物的摄取是水生食物网中生物富集的第一步，也是最大的一步，因此许多研究已经调查了驱动水中甲基汞浓度季节性变化的因素。有机物（OM）被广泛认为是浮游植物产生MeHg和吸收MeHg的重要驱动力，但还因系统内浓度和成分的年际变化很大而闻名。在这项研究中，我们探讨了OM在北极波罗的海沿岸的MeHg的空间和年际变化中的作用。使用MeHg（2014：80 +/- 25 fM; 2015：

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来源
《Environmental Pollution》 |2017年第10期|531-538|共8页
作者
Soerensen A. L.; Schartup A. T.; Skrobonja A.; Bjorn E.;
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作者单位

Stockholm Univ, Dept Environm Sci & Analyt Chem, Stockholm, Sweden;

Harvard Univ, John A Paulson Sch Engn & Appl Sci, Cambridge, MA 02138 USA;

Umea Univ, Dept Chem, Umea, Sweden;

Umea Univ, Dept Chem, Umea, Sweden;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
原文格式 PDF
正文语种 eng
中图分类
关键词
Methylmercury; Labile dissolved organic matter; Humic matter; Hg-II methylation; Interannual variability;

机译：甲基汞不稳定的溶解性有机质腐殖质Hg-II甲基化年际变化;

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Organic matter drives high interannual variability in methylmercury concentrations in a subarctic coastal sea

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