Impact of Ecological Factors on Fishery-Biological Parameters of Acipenserids under Arid Conditions of a Closed Water Supply Cycle

Impact of Ecological Factors on Fishery-Biological Parameters of Acipenserids under Arid Conditions of a Closed Water Supply Cycle

The impact of ecological factors (abiotic and biotic) on some fishery-biological parameters is studied with the raising of acipenserids under arid conditions with a closed cycle of water supply (CCWS). The elements of a CCWS include the temperature, pH, oxygen concentration, and an artificial enviro...

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Bibliographic Details
Published in:Arid ecosystems Vol. 8; no. 1; pp. 78 - 81
Main Authors: Mammaev, M. A., Shikhsabekov, M. M., Rabazanov, N. I., Kurbanov, M. S., Mirzakhanov, M. K., Mammaev, R. M.
Format: Journal Article
Language:English
Published: Moscow Pleiades Publishing 2018
Springer Nature B.V
Subjects:
Applied Problems of Arid Land Development
Aridity
Basins
Biomedical and Life Sciences
Climatic conditions
Ecological monitoring
Ecology
Environmental factors
Fish
Fisheries
Food consumption
Life Sciences
Oxidative stress
Oxygen
Oxygen content
Parameters
Stocking density
Water supply
Water temperature
oxygen conditions
probiotica
closed cycle
acipenserids
sterlet
attractants
oxidative stress
glurinate
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Summary:The impact of ecological factors (abiotic and biotic) on some fishery-biological parameters is studied with the raising of acipenserids under arid conditions with a closed cycle of water supply (CCWS). The elements of a CCWS include the temperature, pH, oxygen concentration, and an artificial environment with varying oxygen supply. It was found that a significant increase in the content of a marker of oxidative stress is established in the blood of fish raised under a CCWS with an increased oxygen content by the end of experiment (four weeks). An oxygen content below 70% retards growth in the starlet, as food consumption is noticeably decreased. To obtain a high biomass in CCWS complexes, it is necessary to set the water temperature to 21–22°C in the basins of semidesert climate conditions and to have a stocking density of 60 kg/m 3 for the commercial growth of sterlet.
ISSN:2079-0961
2079-0988
DOI:10.1134/S2079096118010079