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Hydrobiological Journal
SJR: 0.227 SNIP: 0.901 CiteScore™: 0.5

ISSN Печать: 0018-8166
ISSN Онлайн: 1943-5991

Выпуски:
Том 56, 2020 Том 55, 2019 Том 54, 2018 Том 53, 2017 Том 52, 2016 Том 51, 2015 Том 50, 2014 Том 49, 2013 Том 48, 2012 Том 47, 2011 Том 46, 2010 Том 45, 2009 Том 44, 2008 Том 43, 2007 Том 42, 2006 Том 41, 2005 Том 40, 2004 Том 39, 2003 Том 38, 2002 Том 37, 2001 Том 36, 2000 Том 35, 1999 Том 34, 1998

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v45.i5.100
pages 98-113

Modern State of the Dnieper (Zaporozhye) Reservoir in terms of Some Hydrochemical Indices

V. A. Zhezherya
Institute of Hydrobiology National Academy of Sciences of Ukraine, Kiev
Ye. V. Fedorenko
Dnepropetrovsk National University, Dnepropetrovsk, Ukraine
P. N. Linnik
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev

Краткое описание

Results of the study of the modern state of the Dnieper Reservoir in terms of some hydrochemical indices, including the content of dissolved oxygen, pH, and the content of inorganic forms of nitrogen and readily oxidized organic matter, are discussed in the paper. The concentration of oxygen dissolved in the water was characterized by low values both in summer and in autumn 2007. The same phenomenon was observed in winter. The studied section of the reservoir was characterized by a high content of ammonium, which was conditioned by its contamination by sewage, and also by possible migration of this compound from bottom sediments as a result of oxygen deficiency in the near bottom layer of water. A degree of contamination of the reservoir by readily oxidized organic matter was determined based on the values of permanganate oxidizability. At the same time, data on BOD5 inadequately reflect the degree of reservoir contamination by readily oxidized organic matter. It is likely that they are somewhat underestimated as a result of the toxic influence of pollutants on the vital activity of microorganisms.


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