Cyanobacteria from a shallow Reservoir in Côte d’Ivoire

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Research Paper 01/11/2015
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Cyanobacteria from a shallow Reservoir in Côte d’Ivoire

Blé Alexis Tardy Kouassi, Marie Paulette Adon, Koffi Komoé, Allassane Ouattara
J. Bio. Env. Sci.7( 5), 136-149, November 2015.
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This paper is the result of the study of the Cyanobacteria flora from the raw potable water reservoir of Adzopé, located in South-Est of Côte d’Ivoire. The samples were collected monthly from January to December 2005. The species composition of the assemblage was compiled, accompanied by illustrations. Thirty three species of cyanobacteria were identified in the temporal survey. Oscillatoriales was the order with the highest species richness (56.25% of the total of the identified species), followed by Chroococcales (43.75%). Nine species and subspecies were recorded for the first time in Côte d’Ivoire. Highest species richness was observed on substrates. No spatial variations in the taxonomic composition of the populations of Cyanobacteria were found. Variations were encountered in the seasonal analysis. The spectrum of the meaningful species points out that a very low number of species contributed significantly to the Cyanobacteria occurrence. Among them, Microcystis aeruginosa and Planktothrix rubescens were well represented during dry season and rainy seasons respectively.


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