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Turkish Journal of Fisheries and Aquatic Sciences 2012, Vol 12, Num, 4     (Pages: 761-770)

Determination of Some Metal Levels in Muscle Tissue of Nine Fish Species from Beyşehir Lake, Turkey

Haluk Özparlak 1 ,Gülşin Arslan 2 ,Emine Arslan 1

1 Selcuk University, Science Faculty, Department of Biology, 42250, Konya, Turkey
2 Selcuk University, Science Faculty, Department of Chemistry, 42250, Konya, Turkey
DOI : 10.4194/1303-2712-v12_4_04 Viewed : 4188 - Downloaded : 6489 Concentrations of some metals were determined in muscle tissues of nine fish species from Beyşehir Lake, Turkey by using atomic absorption spectrophotometer. Most of metal levels in Alburnus akili were higher than those of other fish species as followings: Pb 5.25 mg kg-1, Cd 4.00 mg kg-1, Zn 23.75 mg kg-1, Ni 4.01 mg kg-1, Cr 24.45 mg kg-1, Mn 17.53 mg kg-1, Co 5.90 mg kg-1, Mg 283.06 mg kg-1, Sr 27.40 mg kg-1, K 514.09 mg kg-1 and Li 49.38 mg kg-1. The highest concentrations of Cu and Ca were determined in Scardinius erythrophthalmus as 2.68 mg kg-1 and 538.83 mg kg-1 respectively. The highest concentrations of Bi and Na were measured in Gobio gobio microlepidotus as 6.05 mg kg-1 and 423.56 mg kg-1 respectively. Maximum Fe (13.98 mg kg-1) content was determined in Tinca tinca compared to other species. Concentrations of Pb and Cd in the muscle tissue of all the fish species exceeded the tolerance levels of national and international guidelines but were below Provisional Tolerable Weekly Intake (PTWI) limits set by FAO/WHO. The contents of Ni, Cr and Mn in specimens were also higher than the tolerance levels of some guidelines. On the contrary, levels of Zn, Cu and Fe were below the limits of guidelines and PTWI. Keywords : Fish, metal concentration, Beyşehir Lake, Turkey