Cobalt and nickel concentration in the water, bottom deposits and ichthyofauna of Yavoriv water storage basin


  • G. M. Dobryanska Lviv Research Station of Institute of Fisheries
  • D. O. Yanovych Lviv National University of Veterinary Medicine and Biotechnologies named after S.Z. Gzhytskyi
  • T. M. Shvets Institute of Fisheries NAAS
  • A. A. Butsyak Lviv National University of Veterinary Medicine and Biotechnologies named after S.Z. Gzhytskyi
Keywords: cobalt, nickel, hydroecosystem, water storage basin, water, bottom deposits, rudd, perch, organs, tissues

Abstract

Arrangement of fishponds and recreation water basins are among most actual directions of technogenic environment recultivation. However, mentioned approach demands constant monitoring of different pollutants content in abiotic and biotic components of created hydroecosystem. This paper presents results of investigations of cobalt and nickel concentration in the water, bottom deposits and ichthyofauna of Yavoriv water storage basin – water reservoir, which was formed in the place of sulfur career. Mentioned elements are characterized by wide spectrum of action in fish body, which, depending on their concentration, can be either physiologic or toxic. During the experiment was revealed, that cobalt concentration in the water of Yavoriv water storage basin was within the normal range, while nickel concentration exceed MPL from 1.26 to 7.65 times depending on sampling place. Concentration of abovementioned elements in the bottom deposits of water basin in different fields of it varied greatly, wherein well–defined correlation between cobalt and nickel level in the water and bottom deposits wasn’t observed. The researches testified also the existence of tissue, organic and species peculiarities of cobalt and nickel accumulation in the body of rudd and perch. In particular, the biggest content of researched elements was observed in the gills of the fishes. Herewith, cobalt concentration in rudd gills exceeds MPL in 3.25 times, in perch gills – in 4.75 times. Nickel concentration in the muscles, gills and skin of rudd exceeds existing normative values in 1.16, 2.25 and 2.32 times respectively; in the muscles, gills and skin of perch – in 1.08, 6.84 and 3.1 times respectively. 

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Published
2016-10-28
How to Cite
Dobryanska, G., Yanovych, D., Shvets, T., & Butsyak, A. (2016). Cobalt and nickel concentration in the water, bottom deposits and ichthyofauna of Yavoriv water storage basin. Scientific Messenger of LNU of Veterinary Medicine and Biotechnologies. Series: Agricultural Sciences, 18(2), 90–93. https://doi.org/10.15421/nvlvet6720