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Hydrobiological Journal
SJR: 0.227 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.v52.i5.50
pages 44-55

Influence of Water Temperature on the Content of Photosynthetic Pigments in Phytoplankton of Obolon Bay of the Kanev Reservoir

A. V. Kureyshevich
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
I. N. Nezbrytskaya
Institute of Hydrobiology National Academy of Sciences of Ukraine Kiev, Ukraine
V. P. Guseynova
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
A. A. Morozova
Institute of Hydrobiology National Academy of Sciences of Ukraine, Kiev, Ukraine

Краткое описание

Dynamics of the content of photosynthetic pigments, including chlorophyll a and carotenoids, in the unit volume of phytoplankton biomass in the surface layer of water of the littoral zone of Obolon Bay of the Kanev Reservoir were studied in summer 2014−2015. The main water bloom forming species of Cyanoprokaryota represented by Anabaena flos-aquae Bréb., Microcystis aeruginosa (Kütz.) Kütz., and Aphanizomenon flos-aquae (L.) Ralfs dominated in phytoplankton in terms of their biomass. The specific content of chlorophyll a in phytoplankton biomass (Chl. a/B) depended inversely on water temperature. The increase in the temperature of water from 21 to 31°C resulted in the decrease in Chl. a/B ratio by a factor of two. At extremely high temperatures of water, the total content of carotenoids in the unit volume of phytoplankton biomass also decreased. Relationship between chlorophyll a content and water temperature is described by linear function, whereas relationship between the total content of carotenoids and water temperature – by polynomial function.


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