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Hydrobiological Journal
Secretaria Executiva do Conselho Editorial: L.I. Kalinina (open in a new tab)

Publicou 6 edições por ano

ISSN Imprimir: 0018-8166

ISSN On-line: 1943-5991

SJR: 0.221 SNIP: 0.469 CiteScore™:: 0.9 H-Index: 12

Indexed in

Daily Fluctuations in the Composition of Dissolved Organic Matter of Cultural Media of Algae and Cyanobacteria

Volume 38, Edição 2, 2002, 14 pages
DOI: 10.1615/HydrobJ.v38.i2.100
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RESUMO

Daily dynamics of the composition of dissolved organic matter of cultural media of some species of Cyanobacteria and algae were studied at different stages of their growth. It has been found that daily fluctuations in the composition of dissolved organic matter of cultural media of phototrophic organisms were conditioned by their physiological activity. The most clear-cut fluctuations were registered during the exponential phase of culture growth. The content of the main components of dissolved organic matter of cultural media of Cyanobacteria and algae changed not only during the whole period of their growth, but also during a day. In this case, the intensity of the main physiological processes also changed. The most significant daily fluctuations were registered in the composition of carbonic acids and phenols.

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