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Hydrobiological Journal
SJR: 0.227 SNIP: 0.575 CiteScore™: 0.24

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

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v39.i4.60
12 pages

Peculiarities of the Formation of Aquatic Medium Quality at Mass Periodical Cultivation of Moina macropora Straus

T. I. Lekontseva
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine

ABSTRAKT

Peculiarities of the nitrogen compounds transformation in the system for mass cultivation of Moina macropora under the influence of increased food loading and developing crustacean culture are considered. It is stated that heterotrophic bacteria play a determining role in the formation of quality of the cultural medium and food base of zooplankters cultivated. The influence of M. macropora on mediums quality led to decreased numbers of the saprophytic bacteria group, reduction of oxygen deficiency, accelerated organic matter degradation process and increase in NH+4 level.