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Назва: Phytoplankton in water bodies of the Dniester Delta (Ukraine) in summer 2006-2018
Автори: Dereziuk, Nataliia V.
Дерезюк, Наталя Володимирівна
Бібліографічний опис: Аlgologia. 2020. с. 197–210
Дата публікації: 2020
Ключові слова: phytoplankton
фитопланктон
вид
биомасса
удельная поверхность
температура
Днестр
Турунчук
Украина
Серія/номер: Вип. 30(2).
Короткий огляд (реферат): The main indices of summer phytoplankton of water bodies of the Dniester Delta (species composition, number, biomass, morphological and functional parameters) and their changes over a long-term observation period are presented. Phytoplankton samples were taken in mid-July 2006–2019 in the Kuchurgan Reservoir, four large flooded lakes, and the Dniester and Turunchuk rivers. Totally, 376 phytoplankton species were found over the 14-years of monitoring. Their complete list is given with the indication of cell volumes of the species for each water body studied. Chlorophyta, Bacillariophyta, and Cyanobacteria dominated the populations. It was noted that with the influx of large volumes of water into the floodplains in 2008 and 2013 the number of Chlorophyta, Dinophyta and Cyanobacteria increased. Maximum values of water temperature in 2010, 2015 and 2016 caused an increase in the biomass of algae. In the Turunchuk River in 2015, as a result of the water bloom caused by Bacillariophyta, the maximum biomass value was recorded for the entire observation period (413 g∙m-3). In recent years, there has been a tendency to increase the biomass of phytoplankton. A large amount of organic matter contributes to siltation of water bodies. The maximum values of the calculated values of the index of the active surface of phytoplankton (PSI) are consistent with the hydrological conditions in the Dniester Delta (temperature and water level) and with the degree of eutrophication of water bodies. The performed PSI analysis allows us to evaluate the response of autotrophs to changes in climatic conditions and to develop a scale of environmental status classes for freshwater phytoplankton.
URI (Уніфікований ідентифікатор ресурсу): http://dspace.onu.edu.ua:8080/handle/123456789/28599
Ідентифікатор DOI: https://doi.org/10.15407/alg30.02.197
Розташовується у зібраннях:Статті та доповіді РЦІМПСЕД

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