Scientific journal
Scientific Review. Biological science
ISSN 2500-3399
ПИ №ФС77-57454

Personal portfolio

TOXIC WATER AND SEDIMENTS OF URBANIZED SECTION OF THE RIVER TEMERNIK (ROSTOV-ON-DON, SFD)

Bakaeva E.N. 1, 2, 3 Ignatova N.A. 1, 3 Chernikova G.G. 1 Rudi D.A. 2
1 Southern Division of the Institute of Water Problems of RAS
2 South Federal University
3 Hydrochemical Institute
Conducted toxicity studies of water and bottom sediments of the urbanized area r.Temernik bioassay method. Used a set of test objects of different trophic groups and systematic affiliation to determine the toxicity of components of the ecosystem of the river. Bioassay data showed that the toxicity of water and sediment r.Temernik uniform and in the extent and spatial aspect. Throughout the studied section of the river is marked as acutely toxic components of aquatic ecosystems and the bottom of the river, and the absence of toxicity. Found localized areas of acute toxicity. Toxic components of the river due to the load of industrial and densely populated areas of the metropolis. Revealed multidirectional impact on autotrophic and heterotrophic test objects water and sediments from the river site banked on the shore sediments (laid out in accordance with the environmental improvement program of the river). Their negative impact is reduced in the following years, indicating the preservation of self-healing process of the river. The positive trend in the change of toxic components of the ecosystem after the efforts to clean up the river bed.