Trace Elements in Marketed Rastreneobola Argentea and Clarias Werneri Caught from Selected Aquatic Ecosystems in Uganda

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dc.contributor.authorNnamuyomba, Proscovia
dc.contributor.authorMbabazi, Jolocam
dc.contributor.authorNtale, Muhammad
dc.date.accessioned2026-08-13T08:02:07Z
dc.date.available2026-08-13T08:02:07Z
dc.date.issued2015-08
dc.descriptionThis work was done with the financial support from Gulu University, Uganda. So, the authors gratefully acknowledge Gulu University for the funding and those people involved in sample collection, preparation and analysis.
dc.description.abstractSamples of two fish species Rastreneobola argentea and Clarias werneri from Lake Victoria, Lake Kyoga and Nakivubo and Lubigi wetlands were analysed for Cu, Zn, Pb and Cd using an Atomic Absorption Spectrophotometer - Perkin-Elmer Model 2380. The results revealed that Zn concentrations were the highest in both species, followed by Cu; Pb and Cd being the lowest. The concentrations of Cu, Zn, Pb and Cd in R. argentea from Lake Victoria ranged between 20.5- 115 µg/Kg, 175 - 495 µg/kg, 15 - 77.5 µg/Kg and 2.5 - 4.45 µg/kg respectively, mean while their concentrations in the same fish species from Lake Kyoga ranged between 12.5 - 37.5 µg/kg (Cu), 35-100 µg/kg (Zn), 5-12.5 µg/kg (Pb), 0.5-1.5 µg/kg (Cd) dry weight. In C.werneri, heavy metals varied between 197-337.5 µg/kg (Cu), 235-670 µg/kg (Zn), 60-77.5 µg/kg (Pb) and 2.5-6.98 µg/kg (Cd) in Lubigi wetland and in Nakivubo wetland, concentrations of heavy metals ranged between 7521320 µg/kg for Cu, 1230-1437 µg/kg for Zn, 85-97.5 µg/kg for Pb and 2.2-7.75 µg/kg for Cd. Heavy metal concentrations obtained in this study were below permissible limits issued by WHO/FAO. Therefore, the consumption of these fish species may not pose any threat to human health. However periodic monitoring of these metals in the fish caught from water bodies located in urban areas is highly essential to public health
dc.description.sponsorshipGulu University
dc.identifier.citationNnamuyomba, P., Mbabazi, J., & Ntale, M. (2015). Trace Elements in Marketed Rastreneobola Argentea and Clarias Werneri Caught from Selected Aquatic Ecosystems in Uganda.
dc.identifier.issn2395-3152.
dc.identifier.urihttp://hdl.handle.net/20.500.14270/901
dc.language.isoen_US
dc.publisherInternational Journal of Current Trends in Engineering & Technology
dc.relation.ispartofseriesVolume : I, Issue : III
dc.subjectRastreneobola argentea
dc.subjectClarius werneri
dc.subjectLake Victoria
dc.subjectLake Kyoga
dc.subjectNakivubo
dc.subjectLubigi wetland
dc.subjectTrace metals
dc.titleTrace Elements in Marketed Rastreneobola Argentea and Clarias Werneri Caught from Selected Aquatic Ecosystems in Uganda
dc.typeArticle

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