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

ISSN Imprimir: 0018-8166
ISSN En Línea: 1943-5991

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

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v56.i2.70
pages 73-93

Hydrochemical Investigations of the Rivers and Water Bodies of the Dniester River Basin in Retrospective and under Modern Conditions

P. N. Linnik
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev
A. A. Morozova
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
V. P. Osipenko
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev

SINOPSIS

The main hydrochemical indices, including ionic composition, dissolved solids content, water hardness, dissolved oxygen content, nutrients content, and the content of organic matter with regard to chemical oxygen demand (ChODMn and ChODCr) were investigated in the Dniester River, and also in watercourses and water bodies of its basin. It has been shown that in different sections of the Dniester River dissolved solids content increased downstream of the river, which is accounted for by the influence of both natural and anthropogenic factors. It has been found that the increase in dissolved solids content is accounted for mainly by the increase in the concentration of SO42- and Cl- ions, and also by the increase in the concentration of the sum of Na+ and K+ ions. The oxygen regime of the Dniester River is satisfactory along its whole length. However, sometimes oxygen deficiency is observed in the lower reaches of the river near its estuary, which is conditioned by the process of eutrophication. The modern state of the Dniester River in terms of the main hydrochemical indices was assessed in the sections located in different ecological regions. An effort was made to determine reference hydrochemical indices for different sections of the river.

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