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国际藻类期刊
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ISSN 打印: 1521-9429
ISSN 在线: 1940-4328

国际藻类期刊

DOI: 10.1615/InterJAlgae.v18.i1.20
pages 21-32

Dinoflagellates in the Sevastopol Coastal Zone (Black Sea, Crimea)

Yu. V. Bryantseva
N.G. Kholodny Institute of Botany, NAS of Ukraine, 2, Tereshchenkovskaya St., Kiev 01004, Ukraine
A. F. Krakhmalnyi
Institute for Evolutionary Ecology, NAS of Ukraine, 37 Acad. Lebedeva Str., Kiev 03143, Ukraine
V. N. Velikova
SurDEP, Wierda Glen Estate, Centurion, Pretoria, South Africa
O. V. Sergeeva
A.O. Kovalevsky Institute of Biology of the Southern Seas NAS of Ukraine, 2 Nakhimova Ave., Sevastopol 20000, Ukraine

ABSTRACT

The first microalgae inventory of Sevastopol Bay and neighboring Black Sea coastal waters dates back to 1886 and includes 16 species. In 1948, Morozova-Vodyanitskaya published the first retrospective analysis of Black Sea phytoplankton, which included 90 species of dinoflagellates of the Sevastopol area. In the following decades, IBSS scientists conducted such studies and during the last 25 years the Sevastopol Bay and adjacent coastal waters monitoring occurred regularly. Recently, the most comprehensive list of dinoflagellates of Sevastopol Bay included 87 species and was based on the research of Senicheva in 1983-2006. For the same area the observations of Manzhos in 2001-2002 and 2006-2007 resulted in a list of dinoflagellates with 60 and 54 taxons correspondingly, (including those which were identified at the species level). In 2008-2014, during the monthly ecological monitoring of Sevastopol coastal waters, performed by the Biophysical Ecology Department of the IBSS NASU, 86 dinoflagellate taxa were identified (74 species and an additional 12 taxa to the genus level and above). They belong to 28 genera, 18 families, 7 orders, and 2 classes. In terms of species number, dominating genera were: Protoperidinium Berg. (14), Dinophysis Ehrenb., Gymnodinium F. Stein, Prorocentrum Ehrenb. (each represented by 7 species), and Gonyaulax Diesing - 6 species. Out of the total number (74), 20 species are bioluminescent and most of them belong to genus Protoperidinium. In this paper we present a comparative analysis of historical and modern data and a first comprehensive check list of dinoflagellate species of the Sevastopol coastal area based on a compilation of personal species identifications and results of all previous studies in these waters. Our list consists of 66 synonyms, 156 valid species and infraspecific taxa related to 49 genera, 29 families, 11 orders, and 3 classes. Over the entire period under review (1886-2014), 26 bioluminescent species have been reported. After more than a century of phytoplankton research in the Sevastopol coastal area (Black Sea), significant differences were found both in number of species and in species composition enlisted in different sources, which required clarification and an update of species names in line with modern taxonomy so as to correctly assess the phytoplankton diversity in the area of interest.


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