Correction of the estimate of the Receiving capacity of the Embassy Lake. Baikal for Baikal omul larvae
https://doi.org/10.36038/0131-6184-2025-1-91-101
EDN: TAOOUT
Abstract
The population dynamics of the Baikal omul in the Posolsky Sor is determined by its artificial breeding at Bolsherechensk fish breeding plant (BRZ). Currently, the BRZ activity is an example of efficient pasture fish farming of the Baikal omul and whitefish in general. The BRZ output is 1.25 billion pieces of caviar. However, the recommended stocking volume of fish of the adjacent Posolsky Sor was 0.5 billion larvae. In 2003-2007, over 0.7 billion larvae were released, resulting in a significant decrease in the stock of the Baikal omul in this population. After analyzing our own materials on zooplankton production and reviewing literature data on larval diets, we obtained a curve of the receiving capacity of the Posolsky Sor. The curve reflects a decrease in receiving capacity as larvae grow and diets increase. According to the study results, the optimal volume of artificial breeding is between 0.2-0.3 billion larvae.
About the Authors
P. N. Anoshko
Limnological Institute SB RAS
Russian Federation
Russian Federation
Anoshko Pavel Nikolaevich – Researcher of Laboratory of Interdisciplinary Environmental and Economic Research and Technologies
664033, Irkutsk, Ulaanbaatar street, 3, office 278
M. V. Sakirko
Limnological Institute SB RAS
Russian Federation
Russian Federation
Sakirko Maria Vladimirovna – Candidate of Geographical Sciences, Researcher of Laboratory of Hydrochemistry and Atmosphere Chemistry
664033, Irkutsk, Ulaanbaatar street, 3, office 278
A. V. Nepokrytykh
Limnological Institute SB RAS
Russian Federation
Russian Federation
Nepokrytykh Anna Vladimirovna – Candidate of Biological Sciences, Researcher of Laboratory of Aquatic Invertebrate Biology
664033, Irkutsk, Ulaanbaatar street, 3, office 278
N. G. Sheveleva
Limnological Institute SB RAS
Russian Federation
Russian Federation
Sheveleva N.G. – Candidate of Biological Sciences, Senior Researcher of Laboratory of Aquatic Invertebrate Biology
664033, Irkutsk, Ulaanbaatar street, 3, office 278
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Review
For citations:
Anoshko P.N., Sakirko M.V., Nepokrytykh A.V., Sheveleva N.G. Correction of the estimate of the Receiving capacity of the Embassy Lake. Baikal for Baikal omul larvae. Fisheries. 2025;1(1):91-101. (In Russ.) https://doi.org/10.36038/0131-6184-2025-1-91-101. EDN: TAOOUT
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