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The contamination of the aquatic systems with heavy metals has been on the increase since the last century due to industrial activities and this has contributed greatly to the variations in the microbial community structure and function in the ecosystem. The natural and anthropogenic variations in microbiological and heavy metals analysis in Iko River estuary was analyzed using standard methods. From the result, it was observes that anthropogenic variations influence greatly the microbial proliferation as significantly (p0.05) between the mean values of upstream, midstream and downstream. In all microhabitats and stations, the densities of crude oil-utilizing microorganisms were significantly (p |
