THE SEASONAL VARIATIONS OF HEAVY METAL ACCUMULATION IN THE TENCH (TINCA TINCA, L., 1758) AND PIKE (ESOX LUCIUS, L., 1758) OF ASARTEPE DAM LAKE, TURKEY

摘要

The concentration of heavy metals (Cd, Cr, Cu, Fe, Mn, Pb, Zn) was determined by ICP-OES) in two fish samples (Esox lucius, L., 1758 and Tinca tinca L., 1758) in Asartepe Dam Lake which is an important irrigation source. The dam lake is within the Canilli village boundaries and as a result, the sewage from the village has affected the water quality and aquatic life. This study was investigated during one year study period as seasonally. Seasonal changes in mean and SD values of the tested heavy metals in liver, gill and muscle of Esox lucius and Tinca tinca. The accumulation orders of heavy metals for pike as follow Zn>Fe>Cu>Mn>Cd>Pb>Cr for summer, for autumn Fe>Zn>Cu>Mn>Cd>Pb>Cr, for winter Fe>Zn>Cu>Mn>Cd>Cr>Pb and for spring Zn>Fe>Cu>Mn>Cd>Pb>Cr. Distribution of heavy metals in tissues for all heavy metals, the lowest accumulation was determined in muscle tissue. Cu and Zn had the highest concentration in gill and Cd, Cr, Fe, Mn and Pb had the highest concentration in liver. The accumulation orders of heavy metals for tench as follows Fe>Cu>Zn>Mn>Pb>Cr>Cd for summer, for autumn Fe>Cu>Zn>Mn>Cd>Cr>Pb, for winter Fe>Cu>Zn>Mn>Cd>Pb>Cr and for spring Fe>Cu>Zn>Pb>Mn>Cr>Cd was determined. Distribution of heavy metals in tissues for all heavy metals, the lowest accumulation was determined in muscle tissue, Mn had the highest concentration in gill and Cd, Cr, Cu, Fe, Pb and Zn had the highest concentration in liver.