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

ISSN Imprimer: 0018-8166
ISSN En ligne: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v35.i6.140
pages 162-184

Quantitative Development of Phototrofic Picoplankton in Freshwater Ecosystems

Ye. V. Lukyanova
Scientific Research Laboratory of Hydroecology Belorussian State University Minsk, Belarus

RÉSUMÉ

A survey of world publications on quantitative development of autotrophic picoplankton (APP) in freshwater ecosystems is given. APP is a permanent component of planktonic communities in all types of water bodies. Number of APP in water ecosystems of the Republic of Belarus during the year was within the limits 1.1·106−2.9·109 cells/L. Average values for vegetative season varied from 5.6·106 (in a mesotrophic lake) up to 1.2·109 cells/L (in a hypertrophic pond). Maximum development of APP has been detected during the cold period of the year (from late autumn till early spring), the minimum value is recorded in summer (July − August). Clear well-defined positive correlation of APP quantity with trophic state of water ecosystems is established.


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