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ISSN Print: 2381-1013 ISSN Online: 2381-1021

American Journal of Agricultural Science

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Microalgae Community Composition in Tropical Temporary Freshwater Ponds of Burkina Faso (West Africa)

American Journal of Agricultural Science
Vol.3 , No. 5, Publication Date: Sep. 13, 2016, Page: 72-84

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Authors

[1]	Bilasse Zongo, Laboratory of Biology and Ecology of Plants, University of Ouagadougou, Ouagadougou, Burkina Faso; Laboratory of Study and Research on Natural Resources and Environmental Sciences, Polytechnic University of Bobo-Dioulasso, Bobo-Dioulasso, Burkina Faso.
[2]	Frederic Zongo, Laboratory of Biology and Ecology of Plants, University of Ouagadougou, Ouagadougou, Burkina Faso.

Abstract

Microalgae remain an important component in aquatic ecosystems and play a basic role in the functioning of these ecosystems. Factors controlling the composition of the species types, distribution and biomass of microalgae are physicochemical and biological parameters and hydrologic cycle strongly affected by the climatic conditions. Therefore, microalgae could be used to characterize water quality due to their strong sensitivity to the change in water variables. Investigations in 86 temporary ponds of the sahelian and sudanian zones of Burkina Faso which water is still used by local population have been conducted in 2007, 2008, 2009. The study planned to document the community composition of algae in temporary ponds. From those investigations, 291 species belonging to eucaryotic phylums (streptophyta, euglenophyta, bacillariophyta and dinophyta) and cyanobacteria have been recorded. The most represented phylum was streptophyla, making the desmidiaceae the most represented family. The variation in environmental conditions allowed strong variation in species composition and occurrence. Low number of species was frequent in ponds but major of them is cosmopolitan. Nevertheless, comparing recorded species with the data on species previously recorded in Burkina Faso reveals that, 151 (52% of recorded species) species were identified for the first time in the country. Temporary ponds provide good conditions for algae growth in the presence of water as they accumulate compounds from runoffs polluting water. A use of temporary pond’s water by local populations is not safe for a healthy life. Therefore measures have to be taken to avoid clean water scarcity and consumption of temporary pond water by populations.

Keywords

Microalgae, Occurrence, Distribution, Tropical Ponds, Burkina Faso

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