Osano, AloysL.L., Cheruiyot2024-01-242024-01-242004-08Osano, Aloys & L.L., Cheruiyot. (2004). Effects of Zinc, Lead and Copper Concentration Levels on the Distribution of Macro Invertebrates: A case Study of River Sosian, Eldoret Town, Kenya.https://www.researchgate.net/publication/335207479_Effects_of_Zinc_Lead_and_Copper_Concentration_Levels_on_the_Distribution_of_Macro_Invertebrates_A_case_Study_of_River_Sosian_Eldoret_Town_Kenyahttps://repository.nrf.go.ke/handle/123456789/363The relationship between zinc and copper concentration levels and the distribution of benthic macro-invertebrates in river Sosiani, Eldoret has been investigated. Atomic Absorption Spectrophotometry (AAS) and the Dip-net method have established the concentration of zinc and copper and the number of macro-invertebrates respectively. The study showed that the concentration of both copper and zinc were higher than the threshold levels and that the macro-invertebrate species were fewer in the more polluted regions of the river. Thus, zinc and copper concentration levels play a role in the distribution of macro-invertebrates.enMaasai Mara UniversityArticle