Mercury levels in some species of fish from the coast of Lebanon |
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Authors: | M.S Harakeh Aftim Acra May Jurdi Yester Karahagopian |
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Affiliation: | Department of Environmental Health, Faculty of Health Sciences, American University of Beirut, Beirut, Lebanon |
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Abstract: | The muscle tissue of 266 fish caught along the coast of Lebanon from Beirut to Tyre (85 km) were analysed for total mercury content. The mean levels for the 13 species ranged from 0·028 mg/kg of wet tissue for Siganus rivulatus to 0·0.54 mg/kg for Mullus barbatus. Whereas no significant differences (P < 0·05) in mercury levels were noted between species, in most cases a direct relationship was found between the weight or length of fish of the same species and total mercury content. Similarly, there were no significant differences (P < 0·05) between herbivore and carnivore species, nor between resident and migrant ones. All of the values obtained in the present study fall below the widely accepted limit of 0·5mg/kg of edible tissue. |
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