HEAVY METALS BIOACCUMULATION IN ECONOMICALLY MPORTANT FISH (Mugil cephalus L.) OF KOYCEGIZ LAGOON SYSTEM (TURKEY)

Abstract

Concentrations of some heavy metals (Cd, Cr, Cu, Fe, Mn, Ni, Pb, Zn, Al, Hg, As, Se) were determined in water, sediment and muscle, gill and liver tissues of Mugil cephalus, collected from Koycegiz Logoon system seasonally from September 2009 to July 2010. The concentrations of heavy metals were determined by using ICP-AES. Metal accumulation in M. cephalus tissues follows the order Fe> Zn> Cu> Al> Cr> Mn> Ni> Se> Co> As> Pb> Cd> Hg in liver, Fe > Zn > Al > Mn > Cr> Se> Cu> Ni> Pb> As> Co> Cd> Hg in muscle, and Fe > Mn > Zn > Al> Cr> Ni> Cu> Se> Pb> As> Co> Cd> Hg in M. cephalus in gill tissue. Statistical analysis of data was carried out using SPSS 15.0 statistical package program. One-way analysis of variance (ANOVA) was used to assess whether metal concentrations varied as significantly among tissues. Metal concentration differences among the tissues of Mugil cephalus were statistically significant (p<0.001) and highly significant positive correlation (0.70) were found between Co and Fe (n=202).