A study of planktonic Cyanobacteria taxa of the Aby lagoon system (Southern Ivory Coast, West Africa)

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Research Paper 01/08/2017
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A study of planktonic Cyanobacteria taxa of the Aby lagoon system (Southern Ivory Coast, West Africa)

N. M. Seu-Anoï, A. Ouattara, C. Cocquyt, G. Gourène
J. Bio. Env. Sci.11( 2), 40-51, August 2017.
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Considering the great ecological importance of the Cyanobacteria and the need for more detailed information about these organisms in Aby lagoon system, this paper provides taxonomic information about the Cyanobacteria flora in lagoon systems along the coastal plains of Ivory Coast. Investigations for the first time into the blue green algae of Aby lagoon system were carried out for 4 seasons (June 2006 – Mach 2007) using standard plankton net of mesh size 20μm. A total of 24 taxa belonging to 3 orders, 9 famillies, and 16 genera were encountered in Aby lagoon system. There was a dominance of members of the orders Chroococcales (42%) and Oscillatoriales (37%). The blue-green algae Microcystis formed the most predominant genus making up four species followed by Oscillatoria, Anabaena and Aphanothece with four species each. Thus, filamentous forms represented 53% of the populations studied and coccoid forms only 47. Four of the species described in this study belong to the potentially toxic taxa.


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