Dioxins and PCBs in Greenland shark (Somniosus microcephalus) from the North-East Atlantic

作者：Strid Anna^*; Jorundsdottir Hron; Paepke Olaf; Svavarsson Jorundur; Bergman Ake

来源：Marine Pollution Bulletin, 2007, 54(9): 1514-1522.

DOI：10.1016/j.marpolbul.2007.04.018

• Greenland shark
• North-East Atlantic
• Arctic
• dioxins
• dioxin-like PCBs
• PCBs

The Greenland shark (Somniosus microcephalus) is a high-trophic fish species present in Arctic waters. The present study aimed to determine concentrations of polychlorinated dibenzo-p-dioxins and furans (PCDDs/Fs), dioxin-like (DL) PCBs and six non-dioxin-like (NDL) PCBs in muscle and liver from 10 female Greenland sharks collected between 2001 and 2003 from Icelandic waters. The mean total concentrations of PCDDs/Fs were 13 and 530 pg/g fat for muscle and liver, respectively, and show enrichment in the liver. Concentrations of DL-non-ortho PCBs were also higher in liver compared to muscle with mean concentrations of 7.8 and 0.36 ng/g fat, respectively. No enrichment in the liver was found for DL-mono-ortho- and NDL-PCBs. No correlation was found between the size range studied and total concentrations of the compounds analyzed. Total WHO-TEQs (PCDDs/Fs and DL-PCBs) ranged between 7.1-70 and 54-1500 pg/g fat in muscle and liver, respectively.

• 出版日期2007-9