June 2010

Effect of Goldcrew and Corexit on selected blood parameter of the African cat-fish Clarias gariepinus following sublethal exposures

  Sublethal effect of the dispersants Goldcrew and Corexit on selected blood parameters (White blood cell count- WBCC; Red blood cell count- RBCC; Platelet; Haemoglobin-Hb; and Packed Cell Volume - PCV) in Clarias gariepinus (Burchell) were studied. This was done in other to gauge the usefulness of blood parameters as good indicators of pollution and simulate the possible effect of clean-up...

Author(s): K. J. Alagoa

June 2010

Acute toxic effects of Endosulfan and Diazinon pesticides on adult amphibians (Bufo regularis)

  The acute toxicity of Endosulfan (organochlorine) and Diazinon (organophosphate) pesticides to adult amphibians, Bufo regularis was evaluated to determine uptake and effect of environmentally relevant concentrations on survival, morphology and behaviour. Toxicity characterizations were also assessed using standard indices. Toads were exposed for 96 h to varying concentrations of the pesticides;...

Author(s): Ezemonye Lawrence and Tongo Isioma

June 2010

Lead and coliform contaminants in potable groundwater sources in Ibadan, South-West Nigeria

  The present study investigates possible contamination of untreated and treated groundwater by lead, faecal coliform and Escherichia coli in a hundred randomly selected boreholes from different parts of Ibadan metropolis, located in South West Nigeria. Total lead contents in the water samples were measured by atomic absorption spectrophotometer while coliform count was undertaken using the...

Author(s): Olusegun Peter Abiola