ISSN (print) 0868-8540, (online) 2413-5984
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Algologia 2010, 20(1): 73–85
Ecology, Cenology, Conservation of Algae and Their Role in Nature

Seasonal dynamics of phytoplankton in the coastal waters of Odessa Bay in the Black Sea (Ukraine)

Terenko L.M.
Abstract

From 2001 to 2008 seasonal changes were investigated in the coastal phytoplankton of the Odessa Bay in the area of the Odessa University biostation («Biostantsia» – monitoring site). The species composition, quantitative characteristics and distribution of phytoplankton at three stations in this area having different hydrodynamics are given. A total of 236 species and infraspecific taxa of microalgae have been revealed. Maximal densities of phytoplankton were registered in May 2008. The small-sized diatom algae Thalassiosira pseudonana Hasle et Heimdal (32%) and blue-green Merismopedia punctata Meyen (45%) dominated. These are the first results received on studies of the impact of hydrotechnical constructions in the Odessa Bay coastal zone on phytoplankton development.

Keywords: Odessa Bay, phytoplankton, microalgae, species composition, hydro-technical constructions, breakwater, Black Sea

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