vestibИзвестия Национальной академии наук Беларуси. Серия биологических наукProceedings of the National Academy of Sciences of Belarus, Biological Series1029-89402524-230XThe Republican Unitary Enterprise Publishing House "Belaruskaya Navuka"10.29235/1029-8940-2020-65-3-310-318vestib-690Research ArticleСтатьиСезонные изменения таксономической структуры и фотосинтетических пигментов фитопланктона в пелагиали и литорали двух сообщающихся озер в БеларусиSeasonal changes in the phytoplankton taxonomic structure and photosynthetic pigments in pelagial and littoral of two interconnected lakes in BelarusБусеваЖ. Ф.BusevaZh. F.

Бусева Жанна Федоровна - кандидат биологических наук, ведущий научный сотрудник.

ул. Академическая, 27, 220072, Минск.

Zhanna F. Buseva - Ph. D. (Biol.), Leading Researcher, Scientific and Practical Center for Bioresources of the National Academy of Sciences of Belarus.

27, Akademicheskaya Str., 220072, Minsk.

buseva_j@mail.ruФараханиШ. Г.FarahaniSh. G.

Фарахани Шабнам Газерани - аспирант, младший научный сотрудник.

ул. Академическая, 27, 220072, Минск.

Shabnam G. Farahani - Postgraduate student, Junior Researcher, Scientific and Practical Center for Bioresources of the National Academy of Sciences of Belarus.

27, Akademicheskaya Str., 220072, Minsk.

sh.farahani1986@gmail.comСысоваЕ. А.SysovaE. A.

Сысова Елена Александровна - кандидат биологических наук, старший научный сотрудник.

ул. Академическая, 27, 220072, Минск.

Elena A. Sysova - Ph. D. (Biol.), Senior Researcher, Scientific and Practical Center for Bioresources of the National Academy of Sciences of Belarus.

27, Akademicheskaya Str., 220072, Minsk.

sysovaelena@mail.ruОзолиньшД.OzolinsD.

Озолиньш Дэвис - научный сотрудник.

ул. Миера, 3, LV-2169, Саласпилс.

Davis Ozolins – Researcher, Institute of Biology of the University of Latvia.

3, Mier Str., LV-2169, Salaspils.

davis.ozolins@lu.lvСущикН. Н.SushchikN. N.

Сущик Надежда Николаевна - доктор биологических наук, ведущий научный сотрудник, заместитель директора.

Академгородок, 50/50, 660036, Красноярск.

Nadezhda N. Sushchik - D. Sc. (Biol.), Leading Researcher, Deputy Director, Institute of Biophysics of the Siberian Branch of the Russian Academy of Sciences.

50/50, Akademgorodok, 660036, Krasnoyarsk.

labehe@ibp.ruКолмаковаА. А.KolmakovaA. A.

Колмакова Анжелика Александровна - кандидат биологических наук, старший научный сотрудник.

Академгородок, 50/50, 660036, Красноярск.

Angelika A. Kolmakova - Ph. D. (Biol.), Senior Researcher, Institute of Biophysics of the Siberian Branch of the Russian Academy of Sciences.

50/50, Akademgorodok, 660036, Krasnoyarsk.

angelika@inbox.ruВересЮ. К.VerasYu. K.

Верес Юлия Константиновна - кандидат биологических наук, заместитель директора.

220095, Нарочь, Минская область.

Yulia K. Veras - Ph. D. (Biol.), Deputy Director, Belarusian State University.

Minsk Region, 220095, Naroch.

veres.julia.naroch@gmail.comНаучно-практический центр НАН Беларуси по биоресурсамScientific and Practical Center for Bioresources of the National Academy of Sciences of BelarusИнститут биологии Латвийского университетаInstitute of Biology of the University of LatviaИнститут биофизики Сибирского отделения Российской академии наукInstitute of Biophysics of the Siberian Branch of the Russian Academy of SciencesБелорусский государственный университетBelarusian State University202006082020653310318Copyright © Бусева Ж.Ф., Фарахани Ш.Г., Сысова Е.А., Озолиньш Д., Сущик Н.Н., Колмакова А.А., Верес Ю.К., 20202020Бусева Ж.Ф., Фарахани Ш.Г., Сысова Е.А., Озолиньш Д., Сущик Н.Н., Колмакова А.А., Верес Ю.К.Buseva Z.F., Farahani S.G., Sysova E.A., Ozolins D., Sushchik N.N., Kolmakova A.A., Veras Y.K.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://vestibio.belnauka.by/jour/article/view/690

Исследованы сезонные изменения таксономической структуры и фотосинтетических пигментов фитопланктона в пелагиали, а также в литорали, заросшей разными видами макрофитов, и литорали без зарослей в двух сообщающихся озерах разного трофического статуса (северо-запад Беларуси). Установлено, что для мезотрофного оз. Обстерно весной характерна «фаза чистой воды» в пелагиали и низкая численность фитопланктона в литорали. В то же время высокая численность хризофитовых водорослей (Chrysophyta) вызывала «осеннее цветение» фитопланктона в мелководном макрофитного типа оз. Нобисто с низкой трофностью. Выявлены существенные различия в общей численности и таксономической структуре фитопланктона между пелагиалью и литоралью в обоих озерах. С помощью специального метода с использованием прибора Phyto-Pam для определения содержания пигментов различных групп водорослей - зеленых и диатомовых и общего хлорофилла а установлено, что общее содержание хлорофилла а имело выраженный сезонный цикл с пиком ранней осенью и низким содержанием весной в мезотрофном озере, а уровни хлорофилла а в литорали двух исследованных озер существенно различались. Согласно полученным данным, указанный метод может использоваться только для быстрого определения или грубой оценки содержания хлорофилла а в водоемах.

The seasonal pattern of phytoplankton taxonomical composition and phytoplankton chlorophyll а content from pelagial and littoral locations with and without macrophyte beds in two interconnected lakes (north-west of Belarus) under contrasting trophic conditions were studied. We estimated influence of hydrochemical parameters on phytoplankton in studied lakes. There was “a clear water phase” in pelagial and low phytoplankton abundance in littoral of mesotrophic Lake Obsterno but we revealed a brief pulse of Chrysophyta and “a late spring bloom” with high total phytoplankton abundance in shallow macrophyte-covered low trophic state Lake Nobisto. It was found some prominent differences in total phytoplankton abundance and taxonomic composition in littoral and pelagial locations of both lakes. We used Phyto-Pam phytoplankton analyser for analysis of algae pigments. Phyto-Pam method allowed roughly identify two types of pigments - pigments of green algae and diatoms and revealed differences in concentrations of pigments between littoral locations and pelagial in both lake types. Results indicated that total chlorophyll a content has a pronounced seasonal cycle with high values during the early fall and low values throughout the late spring in mesotrophic lake and have shown differences in phytoplankton pigments between lakes littoral locations.

фитопланктонпигментыхлорофилл асезонные изменениялиторальпелагиальзаросли макрофитовмезотрофное озеромелководное озероphytoplanktonpigmentschlorophyll аseasonal changeslittoralpelagialmacrophyte bedsmesotrophic lakeshallow lakeРабота выполнена при поддержке Белорусского фонда фундаментальных исследований (грант № Б17-037). Сбор материала в 2016 г. был проведен при поддержке ГПНИ (Природопользование и экология, задание 2.06, № ГР 20160496). Выражаем благодарность НАН Беларуси за финансовую поддержку и профессору Лизетт Сенерпонт Домис из Института экологии (NIOO-K NAW, Вагенинген, Нидерланды) за помощь в освоении методики для работы на Phyto-Pam-анализаторе.This work was supported by Belarusian Republican Foundation for Fundamental Research, grant no. B17-037. Field sampling in 2016 was performed in frame of the State Programme of Scientific Researches of Belarus (Nature management and Ecology, task 2.06, 2016-2018, no. 20160496). 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The authors declare that there are no conflicts of interest present.