Assessment of Rosa Majalis Herrm-Fruits Contamination with Heavy Metals in Open-Pit Coal Mine Waste Dumps

Irina Egorova, Olga Neverova and Lyubov Dyshlyuk

Modern Applied Science, 2015, vol. 9, issue 4, 270

Abstract: The work studies heavy metals content in embryo-earths and Rosa majalis Herrm. Fruits in conditions of "Kedrovsky" open-pit coal mine waste dump in Kuzbass region, Russia. It has been experimentally proven that embryo-earths of the dump are characterized by significant fluctuations in heavy metal content - maximum values are typical for Mn and Fe (79.5 and 26.6 mg/kg), minimum values for Cd and Cu (0.134 and 0.27 mg/kg). It has been found that the content of biologically active elements, Cu and Zn, is below sufficient soils reserves. Comparison of results with hygienic standards did not reveal content of heavy metals in embryo-earths the dump more than MPC (APC). It has been found that the briar fruits accumulate more biophile metals (Mn, Fe, Zn, Cu); content of technogenic group elements (Pb, Cd, Cr, Ni, Co) is low - between 0.05 and 1.1 mg/kg. Calculation of biological motility rate (Bx) showed that briar fruits absorb more Cu (13.03) and Zn (4.82) from soil. For the majority of heavy metals (Pb, Cd, Mn, Ni, Fe and Cr) inhibition of biological absorption (Bx <1) has been detected with minimum for Pb. Hygienic assessment of Rosa majalis Herrm. fruits showed no excess in the content of heavy metals over MPC accepted for vegetative BAA, MPC based on generalized world information and regional background of ecologically pure areas of Kuzbass. The work accomplished proves safety of briar fruits grown at waste dumps of the Kedrovsky open-pit coal mine as far as ecotoxicants like heavy metals are concerned.

Date: 2015
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