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Hydrobiological Journal
SJR: 0.227 SNIP: 0.575 CiteScore™: 0.24

ISSN Imprimir: 0018-8166
ISSN On-line: 1943-5991

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

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v52.i2.40
pages 35-48

Plankton Centrophyceae (Bacillariophyta) of the Klyaz'ma River (Russian Federation)

S. I. Genkal
I.D. Papanin Institute for Biology of Inland Waters of RAS, Settle Borok, Nekouz District, Yaroslavl Region 152742, Russia
A. G. Okhapkin
Nizhniy Novgorod State University Nizhniy Novgorod, Russia; Institute of Biology of Inland Waters Russian Academy of Sciences Borok, Russian Federation

RESUMO

A total of 24 species and one variety of diatoms (Centrophyceae) of nine genera dominating in phytoplankton of the eutrophic and heavily polluted Klyaz'ma River was revealed during the period of investigations. Species of the genus Stephanodiscus dominated among representatives of this class, which is typical to the tributaries of the Volga River and its reservoirs. The composition of this group of Centrophyceae depends on the environmental conditions typical to contaminated plain watercourses of the temperate zone with natural hydrological regime. In this case, the degree and dynamics of Centrophyceae quantitative development are typical to the rivers with the catchment area subjected to anthropogenic load, which receives large amounts of sewage with a high content of nutrients and organic matter.


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