Seasonal variability of specific phytoplankton growth rate in coastal surface waters of the Black Sea

L.V. Stelmakh

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

E-mail: lustelm@mail.ru

DOI: 10.33075/2220-5861-2018-1-101-109

UDC 581.526.325(262.5)

Abstract:

   Seasonal dynamics of the phytoplankton specific growth rate in coastal surface waters of the Black Sea (near Sevastopol and the southern coast of Crimea) for the period 2006-2010 was studied. There were two – three peaks of this indicator during the year. Variability of this parameter, which reached one order of magnitude, was determined. Light and nutrients did not limit the growth of algae for most of the year. The key parameter responsible for the bulk of the seasonal variation of the phytoplankton specific growth rate was the average cell volume of nano- and microphytoplankton.

Keywords: phytoplankton, cell volume, specific growth rate, the Black Sea.

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