Mercury accumulation in Lethrinus nebulosus from the marine waters of the Qatar EEZ
2017
Al-Ansari, Ebrahim M.A.S. | Abdel-Moati, Mohamed A.R. | Yigiterhan, Oguz | Al-Maslamani, Ibrahim | Soliman, Yousria | Rowe, Gilbert T. | Wade, Terry L. | Al-Shaikh, Ismail M. | Helmi, Ahmed | Kuklyte, Ligita | Chatting, Mark | Al-Yafei, Mehsin A. Al-Ansi
Total mercury (THg) and methylmercury (MeHg) were recorded in the commercial demersal fish Lethrinus nebulosus, caught from six locations in Qatar EEZ (Exclusive Economic Zone). Concentrations of THg decreased in the order: liver ˃ muscle ˃ gonad. THg concentrations in fish tissue ranged from 0.016 ppm in gonad to 0.855 ppm (mg kg−1 w/w) in liver tissues, while concentrations in muscle tissue ranged from 0.24 to 0.49 ppm (mg kg−1 w/w) among sampling sites. MeHg concentrations were used to validate food web transfer rate calculations. Intake rates were calculated to assess the potential health impact of the fish consumption. There is no major threat to human health from the presence of Hg in L. nebulosus, based upon reasonable consumption patterns, limited to no more than three meals of L. nebulosus per week.
Показать больше [+] Меньше [-]Qatar National Research Fund (QNRF) under the National Priorities Research Program (NPRP) award number NPRP 09-505-1-081
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