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Hydrobiological Journal
SJR: 0.217 SNIP: 0.575 CiteScore™: 0.24

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

Выпуски:
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.v50.i5.90
pages 89-98

Seasonal and Spatial Changes in the Content and Molecular Mass Distribution of Carbohydrates in the Surface Waters

V. P. Osipenko
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev

Краткое описание

The content and molecular mass distribution of the dissolved carbohydrates were studied in water bodies of various types: in the Desna River, in the Kiev and Kanev reservoirs, in the Tsentralnoye and Verbnoye lakes, and in the Orekhovatskiy pond N 2. Changes in relationship between the fractions of carbohydrates differing in their molecular mass with space and time have been described. In all the studied water bodies in the surface layer of water, the highest content of carbohydrates, and also of their high molecular (> 30 kDa) fraction, was observed in spring and summer, whereas their lowest content − in winter. The low molecular (< 1 kDa) fractions of carbohydrates prevailed in summer in the near bottom layer of water during the period of oxygen deficiency. It has been found that in the upper section of the Kiev Reservoir the concentration of high molecular fractions of carbohydrates was higher than that in its lower section.


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