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

ISSN Imprimir: 0018-8166
ISSN On-line: 1943-5991

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Hydrobiological Journal

DOI: 10.1615/HydrobJ.v40.i3.70
6 pages

Physiological and Biochemical Estimation of the Culture State of Moina macrocopa in the Process of Cumulative Cultivation

V. D. Solomatina
Institute of Hydrobiology, National Academy of Sciences of Ukraine Kiev, Ukraine
T. I. Lekontseva
Institute of Hydrobiology, National Academy of Sciences of Ukraine, Kiev, Ukraine
N. A. Mogilevich
Institute of Hydrobiology, National Academy of Sciences of Ukraine Kiev, Ukraine

RESUMO

The investigations concern the structural and functional characteristics of Moina macrocopa population and its energetic status in different phases of cumulative culture growth with respect to changes in hydrochemical parameters of the cultivation medium. In the phase of maximal numbers and biomass the substantial alterations in population structure were observed: increasing of numbers of sterile and mictic females and reduction of the share of the amictic individuals. Decrease of energy resources in a crustacean organism, such as high-energy phosphate compounds (ATP, ADP, AMP) and total contents of proteins and lipids were registered. The issue concerning correlation between parameters of the functional state of M. macrocopa and water quality characteristics (the fall of the dissolved oxygen level, an increase of organic and nitrogen compounds contents) during culture growth is discussed.


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