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Cryptophytes of LakeShira (Khakassia,Russia): explosivegrowth duringbreakdown ofmeromixis : научноеиздание Barkhatov Yuri V.Khromechek Elena B.Zykov Vladimir V.2022 год

Cryptophytes of Lake Shira (Khakassia, Russia): explosive growth during breakdown of meromixis : научное издание
статья из журнала

Дополнительные ссылки: eLibrary
База данных: Каталог библиотеки СФУ
Библиографическое описание: Cryptophytes of Lake Shira (Khakassia, Russia): explosive growth during breakdown of meromixis : научное издание / Yuri V. Barkhatov [et al.]. - Текст : непосредственный // Hydrobiologia. - 2022. - Т.849, №15. - P. 3373-3387. - The authors are grateful to F.F. Kozlov, A.P. Tolomeev, A.V. Drobotov, I.G. Prokopkin and E.S. Zadereev for their assistance during field studies. The present study was funded by RFBR and Krasnoyarsk Krai Government and the Krasnoyarsk Regional Fund of Science, Project Number 19-44-240002 and by State Assignment of the Ministry of Science and Higher Education of the Russian Federation (project No. 0287-2021-0019). - ISSN 0018-8158. - ISSN 1573-5117, DOI 10.1007/s10750-022-04939-0.
Аннотация: We conducted a monitoring study on the dynamics of the abundance, biomass, and vertical distribution of the cryptophyte population in meromictic saline Lake Shira (90.11 E, 54.30 N) in the periods of stable meromixis (2012–2014), meromixis breakdown and mixing of the entire water column (2015–2016), and the subsequent reestablishment of meromixis (2017–2021). When stable stratification was broken down, cryptophyte biomass increased sharply: from 0.1 to 6 g m−2 on average in the water column (to 4500 cells ml−1 in the vertical maximum). The shape of the vertical distribution of cryptophytes has also changed. Changes in the abundance of cryptophytes caused by the breakdown of meromixis have largely endured after it was reestablished. Such a considerable increase of cryptophyte biomass did not correlate with the corresponding parameters of other components of the Lake mixolimnion ecosystem, whose biomass changed by a factor of no more than two. The explosive growth of cryptophyte abundance can be explained by a decrease in the trophic pressure of zooplankton—copepods and rotifers.
Год издания: 2022
Авторы: Barkhatov Yuri V. , Khromechek Elena B. , Zykov Vladimir V. , Rogozin Denis Y.
Издательство: Springer Science+Business Media B.V., Formerly Kluwer Academic Publishers B.V.
Источник: Hydrobiologia
Выпуск: Т.849, №15
Номера страниц: 3373-3387
Держатель оригинала документа: Federal Research Center “Krasnoyarsk Science Center SB RAS”, Siberian Federal University
Количество экземпляров:
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