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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.i5.150
pages 128-134

Effect of Ions of Lead and Ammonium on Bioproduction Parameters of Young Fishes

V. P. Gandzyura
Kyiv National University, Kyiv, Ukraine
A. A. Ignatyuk
Institute of Hydrobiology National Academy of Sciences of Ukraine; State Technical University of Ukraine "Kiev Polytechnic Institute" Kiev, Ukraine


Results are given for the effects of Pb2+ and NH+4 on the specific growth rate (g), total effectiveness of food converting (K1) and indicator of optimum (IO = g·K1) of bioproductional processes on young fishes of Carassius auratus (goldfish) and Xiphophorus helleri (swordtail). The main conclusion of the research is: the most sensitive and the most informative parameter of environmental quality is the index of environmental quality (IEQ = IO/IOc); i -in environment, ñ - in control).

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