February 2015

Distribution and ecological risk assessment of pesticide residues in surface water, sediment and fish from Ogbesse River, Edo State, Nigeria

The contamination of pesticides in water, sediments, Clarias gariepinus, and Tilapia zilli from Ogbesse River was investigated to evaluate the pollution status and potential hazard in river system. A total of sixteen pesticides were analyzed using Gas Chromatography (GC) equipped with Electron Capture Detector (GC-ECD). The concentration of pesticide residues ranged from ND to 0.43 µg/l for water samples, 0.82 to...

Author(s): Ezemonye Lawrence, Ogbeide Ozekeke and Tongo Isioma