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Hydrobiological Journal

ISSN Print: 0018-8166
ISSN Online: 1943-5991

Hydrobiological Journal

DOI: 10.1615/HydrobJ.v35.i2.80
pages 107-116

Adaptation of Some Organisms from the Biofouling Biocenosis of Closed Water Circulation Systems to Formaldehyde-containing Preparations

Natalia L. Poyedinok
M. G. Kholodny Institute of Botany, National Academy of Sciences of Ukraine


Adaptation of main groups of organisms (algae, fungi, hydrocarbonoxidative bacteria) from the biocenosis of fouling of closed water circulation systems to gradually increased concentrations of formaldehyde-containing biocidal preparations, Aminocyde and Carbocyde-114, was studied. Moreover, it has been shown, that all investigated organisms can adapt to different degrees to both preparations. Modifications of these organisms during prolonged contact with biocides were similar to basic peculiarities characterizing the process of adaptation.