Seasonal dynamic of structural and functional characteristics of the phytoplankton community in the Sevastopol Bay

by

Z.Z. Finenko, L.V Stelmakh., I.M. Mansurova, E.Ju. Georgieva, V.S. Tsilinsky

Institute of Marine Biological Research of RAS, Russian Federation, Sevastopol, Nachimov Av., 2

E-mail: lustelm@mail.ru

DOI: 10.33075/2220-5861-2017-3-73-82

UDC 581.526.325(262.5)

Abstract:

   The study of phytoplankton community in Sevastopol Bay including structural, functional characteristics and the main environmental factors a week apart during a year was carried out. The seasonal change of algae species composition was described and nine of the production cycles were registered with duration between 0,5–2 months. It was shown that the environmental factors that control the structural and functional indices in warm and cold periods were different. Individual factors regulate the phytoplankton production characteristics to a lesser extent than their joint action.

Keywords: phytoplankton, chlorophyll a, algae abundance, specific growth rate, coefficient of phytoplankton photo system efficiency, nutrients.

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