Abstract
The presented research involves the integral assessment of biochemistry indexes of natural populations of voles under conditions of environmental pollution by heavy metals. The raised content of mobile forms of Pb, Cd, Cr, Ni and Co in soils was revealed for a distance of 500 m to the south-west of Tripillya Thermal Power Plant (TPP) (Kyiv region, Ukraine). It considerably (up to 3-5 times) exceeds the levels in the territory of Kaniv Nature Reserve (Cherkassy region, Ukraine). The territory of National Nature Park "Holosiivsky" (Kyiv, Ukraine) is characterized by rather increased content of active form of investigated heavy metals, especially Pb. The increase of the concentration of diene conjugates (up to 7-10 times) and thiobarbituric acid (TBA) active compounds (up to 2-3 times) in the liver of bank vole (Myodes glareolus) polluted by heavy metals has been found. The insignificant increase of the content of Schiff bases in liver homogenate of voles in the region of impact of the Tripillya TPP (2 times in spring and summer, 3 times - in autumn) was detected. Seasonal dynamics of the maintenance of lipid peroxidation products has been revealed. The registered changes of biochemical indicators evidence for availability of biochemical stress in the bank vole organism in the region of influence of the Tripillya TPP.
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