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Levels of heavy metals in seawater, sediment and in the tissue of Crassostrea belcheri in the western estuary of Ganh Rai bay
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The results also showed that Ha Thanh and Rach Lo sites recorded the highest contents of most studied metals in oyster samples. Levels of metals in oyster were in the order of Zn > Cu > As > Pb > Cr > Cd > Hg and the contents of metals in oyster did not reflect a correlation with those in surrounding environment. |