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IJMS Vol.33(4) [December 2004] >


Title: Abundance and distribution of cyanobacteria Synechococcus spp in the south-eastern Black Sea during 2001 summer
Authors: Feyzioglu, A. Muzaffer
Kurt, Ilknur
Boran, Muhammet
Sivri, Nuket
Keywords: Cyanobacteria
Synechococcus
Black Sea
Issue Date: Dec-2004
Publisher: CSIR
Abstract: Abundance and distribution of unicellular cyanobacteria Synechococcus spp were studied during July 2001. Samples were collected from four different depths covering above the thermocline. Nitrate concentrations ranged from 0,005 μg at-l⁻¹ off Trabzon and Hopa to 1.284 μg at-l⁻¹ off Giresun. The highest concentration of Synechococcus spp. was at off Giresun at 25 m (6000 cell ml⁻¹) and off Rize (3700 cell ml⁻¹) at suface. Cyanobacteria cell counts were low at 5 and 10 m depths. The picoplanktonic abundance varies with nutrients in the Black Sea and it is quite lower in July 2001 somewhat similar to those observed in the oligotrophic Atlantic waters.
Page(s): 365-368
ISSN: 0379-5136
Source: IJMS Vol.33(4) [December 2004]

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