Trace Element Concentrations in Fish, Surficial Sediments and Water from Northern Part of the Persian Gulf |
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Authors: | N Pourang A Nikouyan J H Dennis |
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Institution: | (1) Office for Environment and Sustainable Agriculture, Ministry of Jahad-e-Agriculture, Tehran, Iran;(2) Iran Fisheries Research Organization, Tehran, Iran;(3) Department of Geography and Environmental Science, University of Bradford, Bradford, BD7 1DP, UK |
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Abstract: | Concentrations of cadmium, lead, nickel and vanadium were determined in water, surficial sediments and the muscle of three
demersal fish species (Epinephelus coioides, Psettodes erumei and Solea elongate) from 15 sampling sites in the northern part of Persian Gulf. Concentrations of the elements were determined using Inductively
Coupled Plasma Mass Spectrometer. There were no significant differences among the sampling sites in Cd and Pb levels in the
sediments. The highest concentrations of Ni and V in sediments were found near the southern coast of Qeshm Iland and Bandar
Lengeh. Concentrations of Cd, Pb and Ni in the sediments were notably higher than global baseline values. Nearly in all cases
the element concentrations in the sediments were considerably greater than RSA (ROPME Sea Area) and the ERL (Effects Range
Low) guidelines. Significant differences among the sampling sites could be found for concentrations of all the four metals
in water. The mean Ni, Pb and Cd levels in the water samples were relatively higher than those in some other regions of the
Persian Gulf. Except few cases, the mean concentrations of the elements in muscle of the selected fish species were markedly
below the international guidelines for human consumption. |
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Keywords: | fish Persian Gulf surficial sediments trace elements water |
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