Physico-chemical and macrobenthic faunal characteristics of Kuramo Water, Lagos, southern Nigeria

Abstract

A five-month study in 2001 of an enclosed lagoon, Kuramo Water in southern Nigeria, exposed to urban perturbation describes its physical, chemical and macrobenthic invertebrate characteristics. Of the 16 physical and chemical conditions studied at four sites within the bank-root biotope, only BOD and TDS content were significantly different between sites. The elevated level of these perturbation indicators could be related to the raw and treated domestic sewage released directly into Kuramo Water from point and non-point sources. A total of 16 taxa and 691 macrobenthic individuals belonging to 11 families were recognised at the study sites. A naidid and a chironomid species were the most abundant, occurring in high numbers throughout. Other invertebrate groups occurred in low numbers. The diversity indices calculated supported this trend. The generally low diversity further supports the observation that Kuramo Water is a disturbed environment. The absence of molluscs in the benthic invertebrate samples of this study, compared to their dominance in earlier studies of Kuramo Water, reflects a modification in the habitat resulting from a change in the salinity from brackish to freshwater.

Monitoring and Exploring the Spatio-temporal Variation of Physico-chemical Variables of River Hadejia, Nigeria; Using Statistical Approach

“…Dissolved Oxygen (DO) levels of 0.25 to 6.39 mg/L in this study were similar to 1.20 mg/L to 9.40 mg/L reported by Edokpayi et al [27] in Ibiekuma River and Ibuya River in Old national park, Sepeteri. The lowest value was observed in Station 1 in November and the highest was also recorded in Station 1 in the month March.…”

Prevalence of Vibrio Cholerae and Vibrio Species from Different Sources in Bayelsa State, Nigeria

“…Aladese and Ariyo (2017) demonstrated a high correlation between indiscriminate disposal of human wastes and high microbial population in aquatic environments. Their assertion and our findings in this study further agree with other reported studies in the past (Edokayi, 2004;Onyema, 2011;Olorode et al, 2015).…”

Plankton and Macrobiota Composition and Diversity of Three Tropical Freshwaters Rivers in Ogun and Ondo States, Southwest Nigeria

“…and Nais spp. have been reported in polluted tropical waters (Victor and Ogbeibu, 1985;Atobatele et al, 2005) and prefer soft sediments rich in organic content (Crothers, 1997;Edokpayi et al, 2004), a feature characteristic of the study sites.…”

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