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Heavy metal contents in stone loach Noemacheilus barbatulus (L.) (Cobitidae) living in the river above and below dam reservoir (Dobczyce reservoir, southern Poland)

Szarek-Gwiazda E.

Polish Journal of Ecology

1999

Vol. 47, no 2

145-152

The concentrations of Cd, Pb, Cu, Cr, Zn and Fe in tissues (liver, ovaries and muscle) of stone loach Noemacheilus barbatulus (L.) living in the Raba River above and below Dobczyce dam reservoir (southern Poland) was determined. The contents of the heavy metals in fish varied in the studied dates and tissues. The highest concentrations of metals were usually determined in liver and the lowest ones in muscle. The lower concentrations of Cr, Cd and Pb were stated in the stone loach from the Raba River below the reservoir, so the Dobczyce Reservoir was sink for these metals. The concentrations of Cu, Zn and Fe in the fish tissues from the Raba River above and below the reservoir had the same level.