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Distribution of phytoplankton in the southern Black Sea in summer 1996, spring and autumn 1998
Eker-Develi, E.; Kideys, A.E. (2003). Distribution of phytoplankton in the southern Black Sea in summer 1996, spring and autumn 1998. J. Mar. Syst. 39(3-4): 203-221. dx.doi.org/10.1016/S0924-7963(03)00031-9
In: Journal of Marine Systems. Elsevier: Tokyo; Oxford; New York; Amsterdam. ISSN 0924-7963, more
Peer reviewed article  

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Keywords
    Abundance; Biomass; Phytoplankton; MED, Black Sea [Marine Regions]; Marine

Authors  Top 
  • Eker-Develi, E.
  • Kideys, A.E., more

Abstract
    The species composition, abundance, and biomass of micro- (>15 μm) and nano- (<15 μm) phytoplankton were studied along the southern Black Sea during June–July 1996 and March–April and September 1998. A total of 150 species were identified, not, vert, similar50% of them being dinoflagellates. The average total phytoplankton abundance changed from 77×103 cells l−1 in spring to 110×103 cells l−1 in autumn and biomass from 250 μg l−1 in summer to 1370 μg l−1 in spring. Based on the extensive sampling grid from June–July 1996, phytoplankton seemed to have a rather homogeneous biomass distribution in the southern Black Sea. In all periods, the coccolithophorid Emiliania huxleyi was the most abundant species, its contribution to the total abundance ranging from 73% in autumn to 43% in spring. However, in terms of biomass, diatoms made up the bulk of phytoplankton in spring (97%, majority being Proboscia alata) and autumn (73%, majority being Pseudosolenia calcar-avis), and dinoflagellates in summer (74%, Gymnodinium sp.). There was a remarkable similarity in the dominant species between the western and eastern regions of the southern Black Sea, indicating transport of phytoplankton within the basin.

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