Distribution of Heavy Metals Contaminants in Surface Soil, Water, Liver, Heart and Kidney of Amphibians PtychadenapumilioAND Amietophrynusmaculatus in Selected Areas of Lagos State

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dc.contributor.authorOnadeko, A.B
dc.contributor.authorOsuala, F.I
dc.date.accessioned2019-02-26T14:24:51Z
dc.date.available2019-02-26T14:24:51Z
dc.date.issued2015
dc.descriptionJournal Articlesen_US
dc.description.abstractThe increasing rate of pollution necessitates proper and effective management of environmental health by monitoring the soil, water and animal components of the environment. The study investigated distribution of selected heavy metals contaminants in soil, water samples and bioaccumulation in heart, liver and kidney of two amphibian species, Amietophrynusmaculatus and Ptychadenapumilio in selected sites such as Ibafo (bordering Lagos and Ogun States), Iwaya, Makoko 1, Makoko 2 and University of Lagos (Unilag) located in Lagos state. Heavy metals were analyzed using the Analyst 200 Perkin Elmer series of Atomic Absorption Spectrophotometer. The overall mean concentrations of the heavy metals (mg/g) in the soil samples were as follows: Fe 3.12, Cu 0.41, Ni 0.30, Cr 0.05, Cd 0.07, Pb 0.04, Zn 0.19 and Mn 0.39 thus Fe > Cu >Mn> Ni > Zn > Cd > Cr >Pb which were significantly (P < 0.05) different across the sites except for Mn, which was not significantly (P > 0.05) different (df = 4, x2 = 2.739). In water samples, the mean concentrations (mg/L) were as follows: Fe 1.80, Cu 0.74, Ni 0.78, Cr 0.06, Cd 0.05, Pb 0.03, Zn 0.54 and Mn 0.30. Zinc bioaccumulated highest in both species and in all the locations, followed by Mn and Pb. Mn, Zn and Pb concentrated more in the liver, while Ni was highest in the heart, not significantly (P > 0.05) different in both anuran species. Cr concentration in the liver of both anuran species was significantly (P < 0.05) different (df = 8, x2 = 2.717). The study has revealed the prevailing environmental health with anurans as excellent bioindicators acting as an early warning signal of potential harm to the environment.en_US
dc.description.sponsorshipTertiary Education Trust Funden_US
dc.identifier.citationOnadeko, A.B and Osuala, F.I (2015). Distribution of Heavy Metals Contaminants in Surface Soil, Water, Liver, Heart and Kidney of Amphibians PtychadenapumilioAND Amietophrynusmaculatus in Selected Areas of Lagos State. Unilag Journal of Medicine, Science and Technology, Vol.3(2), 14-29p.en_US
dc.identifier.issn2408-5049
dc.identifier.urihttps://ir.unilag.edu.ng/handle/123456789/3845
dc.language.isoenen_US
dc.publisherUniversity of Lagos Press, Akokaen_US
dc.relation.ispartofseriesUniversity of lagos Journal;Vol.3(2)
dc.subjectHeavy metalsen_US
dc.subjectBioaccumulationen_US
dc.subjectBioindicatoren_US
dc.subjectPollutionen_US
dc.subjectEnvironmental Healthen_US
dc.titleDistribution of Heavy Metals Contaminants in Surface Soil, Water, Liver, Heart and Kidney of Amphibians PtychadenapumilioAND Amietophrynusmaculatus in Selected Areas of Lagos Stateen_US
dc.typeArticleen_US
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Volume 3, Issue 2, 2015