Hydrobiological Journal

ISSN for PRINT: 0018-8166

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2001, Volume37

Issue 4

136 pages

Issue price - $369.00

V. V. Zavoruyev
Institute of Computerized Simulation Siberian, Department of the Russian Academy of Sciences, Institute of Biophysics Siberian, Department of the Russian Academy of Sciences Krasnoyarsk, Russia

The distribution of chlorophyll and photosynthetic activity of algae occurring in the ice of a fresh water body was studied in winter and in springtime. It has been found that the maximum concentration of chlorophyll in the ice accounted for 0.6 ug/L. Chlorophyta and Cyanophyta were found to be more resistant to the influence of a negative temperature as compared to other representatives of the algal flora. In winter, phytoplankton occurred mainly in the lower layer of ice, whereas in spring it was registered in its middle layer.

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