Heavy Metals Bio-Accumulation in Tilapia and Catfish Species in Lake Rukwa Ecosystem Tanzania
The University of Dodoma University of Dodoma Institutional Repository http://repository.udom.ac.tz Natural Sciences Journal Articles 2020 Heavy metals bio-accumulation in tilapia and catfish species in Lake Rukwa ecosystem Tanzania Mapenzi,Levinus Leonard;Shimba, Moses Joel;Moto, Edward Angelo;Maghembe, Reuben Silas;Mmochi, Aviti John Elsevier Mapenzi, L. L., Shimba, M. J., Moto, E. A., Maghembe, R. S., & Mmochi, A. J. (2020). Heavy metals bio-accumulation in tilapia and catfish species in Lake Rukwa ecosystem Tanzania. Journal of Geochemical Exploration, 208, 106413. http://hdl.handle.net/20.500.12661/2465 Downloaded from UDOM Institutional Repository at The University of Dodoma, an open access institutional repository. Journal of Geochemical Exploration 208 (2020) 106413 Contents lists available at ScienceDirect Journal of Geochemical Exploration journal homepage: www.elsevier.com/locate/gexplo Heavy metals bio-accumulation in tilapia and catfish species in Lake Rukwa ecosystem Tanzania T ⁎ Levinus Leonard Mapenzia,b, , Moses Joel Shimbaa, Edward Angelo Motoa, Reuben Silas Maghembec, Aviti John Mmochib a Department of Biology, College of Natural and Mathematical Sciences, P.O. Box 338, University of Dodoma, Tanzania b Institute of Marine Sciences, University of Dar es Salaam, P.O. Box 668, Zanzibar, Tanzania c Department of Biological and Marine Sciences, Marian University College, P.O. Box 47, Bagamoyo, Pwani, Tanzania ARTICLE INFO ABSTRACT Keywords: Investigation on accumulation of selected heavy metals of Zinc, Mercury, Copper, Lead, Chromium and Nickel in Bio-accumulation sediment, water and muscle tissues of Clarias gariepinus (African catfish) and Oreochromis esculentus (Singida Fisher folk tilapia) fish was done in Lake Rukwa, Tanzania. Samples were obtained from transects of 100 m long extending fi Cat sh from Luika and Songwe River mouths to offshore.
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