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Journal of Fisheries and Aquatic Science

Year: 2008 | Volume: 3 | Issue: 3 | Page No.: 167-175
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Authors

I.C. Onyema

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Research Article

A Checklist of Phytoplankton Species of the Iyagbe Lagoon, Lagos

I.C. Onyema
The phytoplankton diversity of the Iyagbe lagoon, Lagos was investigated from October, 2004 to September, 2006. Seven main algal groups were recorded namely: Bacillariophyta, Cyanophyta, Chlorophyta, Euglenophyta, Pyrrhophyta, Chrysophyta and Rhodophyta. A total of 129 species belonging to 64 genera were observed. Diatoms formed the most abundant group making up 90 species from 39 genera. This was followed by the cyanobacteria with 19 species from nine genera, the green algae with 10 species from eight genera, the euglenoids with four species from three genera, the dinoflagellates with three species from two genera, the chrysophytes with two species from two genera and the red algae represented by one species. Comparatively, a higher number of species was recorded in the dry than in the wet season. 18 species of diatoms, nine species of cyanobacteria, four species of euglenoids and green algae each, one species of dinoflagellates, red algae and chrysophytes each, are first reports for south-western Nigeria with regard to existing checklists in the region.
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