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International Journal of Fauna and Biological Studies

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e-ISSN : 2347-2677, p-ISSN : 2394-0522

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International Journal of Fauna and Biological Studies

2017, Vol. 4 Issue 1, Part B
Spatial and temporal distribution of pelagic diatoms and their relationship with environmental parameters in the Ebrié Lagoon (south-eastern Ivory Coast, West Africa)
Author(s): Seu-Anoï NM, Niamien-Ebrottié JE, Kouassi blé AT and Ouattara A
Abstract: The diatoms of Ebrié Lagoon for the first time were studied at seasonally intervals for one year (year 2006 to 2007). Overall, 44 (28 were pennates while 16 are centric) diatom taxa belonging to 22 genera were recorded from 13 different stations in the Ebrié Lagoon. Among the pennate diatoms, the most frequent genera were Nitzschia and Surirella. The central were ably represented by Aulacoseira genera. The Shannon-Wiener and Equitability indices indicated pollution stress and dominance by a few species. The seasonal variations were not correlated with water temperature, although it varied between 0 and 27.5 °C, but with nutrient concentrations and salinity. The spatial fluctuations mostly were influenced by water transparency. Aulacoseira, Coscinodiscus and Surirella were the dominant genera. Aulacoseira ambigua (Auam), Aulacoseira granulate (Augr), Aulacoseira granulata var. curvata (Augc), Aulacoseira islandica (Auis), Coscinodiscus centralis (Coce), Coscinodiscus nodulifer Schmidt (Cono) constituted an interesting case as it correlated with nutrient concentrations.
Pages: 93-101  |  650 Views  17 Downloads
How to cite this article:
Seu-Anoï NM, Niamien-Ebrottié JE, Kouassi blé AT and Ouattara A. Spatial and temporal distribution of pelagic diatoms and their relationship with environmental parameters in the Ebrié Lagoon (south-eastern Ivory Coast, West Africa). International Journal of Fauna and Biological Studies. 2017; 4(1): 93-101.
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International Journal of Fauna and Biological Studies