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Hydrobiological Journal
Главный редактор: S. A. Afanasyev (open in a new tab)
Заместитель главного редактора: V.I. Yurishinets (open in a new tab)
Ответственный секретарь редакционной коллегии: L.I. Kalinina (open in a new tab)

Выходит 6 номеров в год

ISSN Печать: 0018-8166

ISSN Онлайн: 1943-5991

SJR: 0.221 SNIP: 0.469 CiteScore™:: 0.9 H-Index: 12

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Phytomicrobenthos of Brackishwater Bays of the Kiliya Delta of the Danube River

Том 53, Выпуск 4, 2017, pp. 22-35
DOI: 10.1615/HydrobJ.v53.i4.20
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Краткое описание

Results of the study of phytomicrobenthos in water bodies differing in their salinity (from 2.00 to 12.00‰) are given in the paper. In brackishwater bays of the Kiliya delta of the Danube River, relationship was established between the intensity of benthic microalgae development and water salinity: 2.00–5.00, 6.00–8.00, and 9.00–12.00‰. At water salinity of 2.00–5.00‰, species richness, numbers, and biomass of phytomicrobenthos increased at the expense of the development of freshwater oligohalobes, whereas the content of brackishwater mesohalobes decreased. The increase in water salinity to 9.00–12.00‰ was accompanied by the increase in phytomicrobenthos species richness, numbers, and biomass at the expense of the development of its brackishwater and marine forms. In this case, the contribution of freshwater oligohalobes was rather low. At water salinity of 6.00–8.00‰, the intensity of phytomicrobenthos development and its species richness were minimal probably as a result of the influence of the zone of "critical salinity" on benthic microalgae. Both freshwater and brackishwater forms of phytomicrobenthos were found.

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