September 2010

Water quality of domestic wells in typical African communities: Case studies from Nigeria

Several African communities obtain their domestic water supplies from dug wells and this study takes Ibogun, Pakoto and Ifo communities in Ogun State, Nigeria as being typical. The objective is to assess the quality of the water supply from these dug wells, ascertain the contamination problems that may confront the consumers, and provide appropriate remedies. Twenty  dug wells were randomly selected in each...

Author(s): B. A. Adelekan

September 2010

The diurnal variation of the physico-chemical parameters of a lowland river flow in a semi-arid landscape with human interferences in Zimbabwe

Using data from southeast Zimbabwe intensive agricultural zone we investigated diurnal changes in the Runde River to discover the variations that can occur in the control and test sites of agricultural development. This should predict how the aquatic ecosystem responds when ’stressed' by human activities, such as runoff from the land. Diurnal changes were studied at a resolution of 2 h intervals between 0500...

Author(s): Clifford Tafangenyasha, Brian E. Marshall  and Lawrence T. Dube