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VOL. 7, ISSUE 4 (2025)
The impact of industrial effluents on the distribution and abundance of macroinvertebrates in River Owo, Lagos, Nigeria
Authors
Kusemiju V, AAderinola O Joseph, Mekuleyi O Gabriel, Adu A A
Abstract
This study investigated the impact of industrial effluents on the
distribution and abundance of macroinvertebrates in River Owo, Lagos, Nigeria.
Five sampling sites were selected upstream and downstream of an industrial
effluent outfall. Macroinvertebrates were collected monthly using D-framed
aquatic nets and grabs, identified to family level, and analyzed for abundance,
species richness, and diversity. Results indicated that the class Insecta
dominated (74.57%) the macroinvertebrate community, with site A (upstream)
exhibiting the highest abundance and species richness, while site B (effluent
outfall) had the lowest values, indicating heavy pollution. Species such as
Tubifex tubifex, Nepa sp., and Eristalis sp. were only found at site B,
suggesting their role as pollution indicators. The findings highlight the
ecological impact of industrial effluents and emphasize the importance of
biomonitoring using benthic macroinvertebrates.
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Pages:164-168
How to cite this article:
Kusemiju V, AAderinola O Joseph, Mekuleyi O Gabriel, Adu A A "The impact of industrial effluents on the distribution and abundance of macroinvertebrates in River Owo, Lagos, Nigeria". International Journal of Ecology and Environmental Sciences, Vol 7, Issue 4, 2025, Pages 164-168
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