Composition and Abundance of Macrobenthos in the Lagos Lagoon
DOI:
https://doi.org/10.31686/ijier.vol3.iss8.421Keywords:
Macrobenthos, Species diversity, Lagos LagoonAbstract
The composition and Abundance of Macrobenthos in the Lagos Lagoon was investigated from June, 2012 to March, 2013 in Eleven (11) study stations in the Lagos Lagoon. A total of 1861 Macrobenthos belonging to three phyla; Mollusca, Arthropoda and Annelida were encountered. The Gastropod Pachymelina aurita was the most dominant species with a percentage composition of 23.5% while the Polychaete worm Nereis indica closely followed with a percentage composition of 21.5%, Anadara senilis and Crassoterea tulipa had the least representative (1.1%). All the stations studied had relatively low species diversity. The Shanon – Weiner index of diversity (H) ranged from 0.38 to 0.8. Margalef index (d) ranged from 0.91 to 2.41. The overall Macrobenthos diversity of the stations studied in the Lagos lagoon was relatively low.
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