Seasonal and interannual dynamics of Artemia crustacean population from hypersaline Lake Kuchukskoye (Western Siberia)

Vesnina, L. V.; Bezmaternykh, D. M.; Vesnin, Yuri; Moruzi, Irina; Пищенко, Е. В.

doi:10.1051/e3sconf/202236303049

E3S Web Conf.

2022

DOI: 10.1051/e3sconf/202236303049

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Seasonal and interannual dynamics of Artemia crustacean population from hypersaline Lake Kuchukskoye (Western Siberia)

L. V. Vesnina

D. M. Bezmaternykh

Yuri Vesnin

et al.

Abstract: The paper presents the findings of studying the influence of main natural environmental factors on interannual (2017–2018, 2020–2021) and seasonal (from April to October) dynamics of Artemia population from large hypersaline lake Kuchukskoye located in the Kulunda steppe (Altai Krai, Russia). We studied the relationship of 7 key indicators of the population structure (abundance, biomass and age structure) with hydrophysical and hydrochemical indixes (temperature, transparency, pH and total salinity). In differ… Show more

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Cited by 2 publications

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Production potential of the brine shrimp artemia in hypersaline lakes of the plain of the Altai territory

Vesniba,

Bezmaternyh,

Vesnin

et al. 2024

Vestn. Novosib. gos. agrar. univ.

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The brine shrimp Artemia is the most common live food used in aquaculture worldwide. In order to manage the fishery of Artemia cysts bioresource it is necessary to determine their stocks, the value of which depends on the bioproductive characteristics of Artemia cysts. The article analyzes the inter-annual dynamics of Artemia cysts abundance, adult individuals of the brine shrimp and its different age stages in different phases of water availability in comparison with their average annual indicators in the main commercial lakes of the Altai Krai: Kulundinskoye, Kuchukskoye, Bolshoye Yarovoye and Maloye Yarovoye. Three or four generations of Artemia are observed in different types of the studied lakes during the vegetation period. It was revealed that Artemia life cycle has 3.7±1.4 generations on average. The length of sexually mature individuals was calculated in Kulundinskoye with average fecundity of females ranging from 16.0–94.0 specimens; in Kuchukskoye – 34.0–45.0; in Bolshoye Yarovoye – 26.6–134.4; in Maloye Yarovoye – 25.0–30.0 specimens. In lakes Kulundinskoye and Bolshoye Yarovoye, the structure of productive characteristics of female crustacean in the composition of thickshell cysts, thin-shell eggs, and live birth is shown. The share of the latter accounts on average from 1.5 to 9.4 %. The correlation coefficient between fecundity and water temperature was calculated – r = 0.80 (p < 0.05). The peculiarity of fecundity variation series on the example of female Artemia of Lake Kulundinskoe in transgressive and regressive phases of water content is shown. The trend of Artemia cysts stocks in hypergaline lakes up to 2030 is revealed.

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Production potential of the brine shrimp artemia in hypersaline lakes of the plain of the Altai territory

Vesniba,

Bezmaternyh,

Vesnin

et al. 2024

Vestn. Novosib. gos. agrar. univ.

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The Role of Brackish-Water Fauna and the State of the Bioresource of the Ecosystem of the Hypergaline Lake Kulundinskoye in the Phase of Transgression (Altai Krai)

et al. 2023

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The results of ecological monitoring of the hypergaline lake Kulundinskoye of the Altai Territory in the period 2021-2022 are presented. The research was carried out in the form of a comprehensive study of abiotic factors of the reservoir (climatic features of the lake, temperature regime, salinity of water), biological factors (species composition of brackish-water zooplankton, its abundance), production and structural indicators of the gill-legged crustacean Artemia Leach, 1819. Desalination of water during the transgressive period of water content caused successional speciation processes. There was a change of the gill-legged crustacean as a dominant and monovid to a complex of brackish-water fauna. The artemia population developed under the influence of unfavorable salinity of water with a fluctuation in the lake from 1.9 (April) to 99.0 mg/dm3. The influence of the transgressive phase of water content on the biota and the extraction (catch) of a biological resource - artemia (at the stage of cysts), as well as the importance of the formation of their commercial accumulations of abiotic environmental factors, is shown. Studies have shown that the prevailing combination of factors during the transgression period – tense climatic conditions, low salinity of water (less than 100 mg/dm3), low number of artemia crustaceans, was the absence of commercial accumulations of biological resources.

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Seasonal and interannual dynamics of Artemia crustacean population from hypersaline Lake Kuchukskoye (Western Siberia)

Cited by 2 publications

References 13 publications

Production potential of the brine shrimp artemia in hypersaline lakes of the plain of the Altai territory

Production potential of the brine shrimp artemia in hypersaline lakes of the plain of the Altai territory

The Role of Brackish-Water Fauna and the State of the Bioresource of the Ecosystem of the Hypergaline Lake Kulundinskoye in the Phase of Transgression (Altai Krai)

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