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Community structure and vertical distribution of planktonic ciliates in the saline meromictic lake Shira during breakdown of meromixis / E. B. Khromechek, Y. V. Barkhatov, D. Y. Rogozin // Ecohydrol. Hydrobiol. - 2021. - Vol. 21, Is. 1. - P142-152, DOI 10.1016/j.ecohyd.2020.08.001. - Cited References:41. - The authors are grateful to F.F. Kozlov, V.V. Zykov, and A.P. Tolomeev 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. The present study was financially supported by Russian Foundation for Basic Research (RFBR) Project No. 19-05-00428. . - ISSN 1642-3593. - ISSN 2080-3397

РУБ Ecology + Water Resources
Рубрики:
SHUNET SOUTH SIBERIA
   SEASONAL SUCCESSION
   PROTOZOA
   FOOD
Кл.слова (ненормированные):
Ciliates -- Meromictic lakes -- Chemocline -- Meromixis breakdown
Аннотация: The study deals with the vertical distribution and seasonal dynamics of planktonic ciliates in the pelagic and littoral zones of a saline meromictic Lake Shira. Fourteen species of free-living ciliates have been found in the Lake, seven of them inhabiting the pelagic zone. The richness of ciliates is higher both in terms of the number of species and biomass in the littoral zone compared to the pelagic zone. Although the ciliate species diversity is low in the pelagic zone, in certain seasons, the biomass of some of the species may reach considerable values, up to 3.4 g m(-2) in the water column. The biomass of ciliates in Lake Shira is generally comparable to the average values for other mesotrophic lakes. The abundance and composition of ciliate populations in Lake Shira vary considerably with depth. Changes in the Lake ecosystem caused by meromixis breakdown in 2015-2016, which induced considerable variations in many Lake components, affected the vertical distribution of planktonic ciliates. However, the annual average biomass of the species that inhabited the Lake before meromixis breakdown remained unchanged. The total ciliate biomass increased due to the presence of the new species. (C) 2021 European Regional Centre for Ecohydrology of the Polish Academy of Sciences. Published by Elsevier B.V. All rights reserved.

WOS
Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia.
Siberian Fed Univ, Krasnoyarsk 660041, Russia.

Доп.точки доступа:
Khromechek, Elena B.; Barkhatov, Yuri, V; Rogozin, Denis Y.; Barkhatov, Yuri V.; RFBRRussian Foundation for Basic Research (RFBR); Krasnoyarsk Krai Government; Krasnoyarsk Regional Fund of Science [19-44-240002]; Russian Foundation for Basic Research (RFBR)Russian Foundation for Basic Research (RFBR) [19-05-00428]

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Protist plankton of Lake Khanka [Текст] / V. P. Ladygina, Y. L. Gurevich // Izv. Akad. Nauk Ser. Biol. - 2000. - Is. 3. - P. 361-367. - Cited References: 21 . - ISSN 0002-3329

РУБ Biology
Рубрики:
PROTOZOA
Аннотация: We present data on studies of protists in Lake Khanka in late August-early September. A total of 99 species of protists have been found, of them 14 phytoflagellates, 14 zooflagellates, five sarcodins, two heliozoans, 62 infusoria, and two suctorians. Small infusoria from the class of Kinetophragminophora, order Oligotrichida, as well as suborder Tetrahymenina were most numerous. The density of many protist species in Lake Khanka exceeds markedly that in several other high-productivity water reservoirs. Most of the protists belong to bacteriovores (bacteriophages). Many of the found species have high density. This is evidence of the production of bacterial plankton in the lake. In view of very high water turbidity in the lake, we assume that the total production of phytoplankton is not that high. In this connection, an abundance of protists (protist plankton) indicates is an indication for the existence of an additional source of organic matter in Lake Khanka.

WOS
Держатели документа:
Russian Acad Sci, Inst Biophys, Siberian Branch, Krasnoyarsk 660036, Russia
ИБФ СО РАН : 660036, Красноярск, Академгородок, д. 50, стр. 50

Доп.точки доступа:
Ladygina, V.P.; Gurevich, Y.L.

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