October 2018

Performance enhancement of Nalgonda technique and pilot testing electrolytic defluoridation system for removing fluoride from drinking water in East Africa

High fluoride concentrations in groundwater pose a health risk to people living in the Rift valley of Ethiopia and beyond. The Nalgonda and electrolytic defluoridation (EDF) fluoride treatment systems were developed and adapted in India for fluoride removal. A recent study evaluated twenty Nalgonda techniques that were implemented in the Rift valley of Ethiopia. A number of these systems were found to be non-functional...

Author(s): Teshome L. Yami, Jim F. Chamberlain, Feleke Z. Beshah and David A. Sabatini  

October 2018

Use of integrated pollution indices in assessing heavy metals pollution in soils of three auto mechanic villages in Abuja

This research work targeted at the use of integrated pollution indices models of Pollution Index (PI), Average of Pollution Index (PIAvg), Pollution Load Index (PLI) and Nemerow Pollution Index (NIPINemerow) in assessing heavy metals pollution in soils of three auto mechanic villages of Abuja. Soil samples were randomly collected with a stainless hand auger to a depth range of 0 to 15 cm and were analyzed with atomic...

Author(s): Nwoko Christopher Ikpe, Enenebeaku Conrad Kenechukwu and Ekeocha Christopher Ikechukwu  

October 2018

Phytoplankton species diversity and biomass and its impact on the sustainable management of Lake Bosomtwe in the Ashanti Region of Ghana

Lake Bosomtwe is a closed, stratified, natural freshwater body located in the Ashanti Region of Ghana. Recently residents along the Lake shore complain of foul smells emanating from the Lake and also there have been occasional fish deaths there. This led to the study of the composition of phytoplankton community dominating the lake. Sampling was done during the rainy and dry seasons. Samples were collected from twelve...

Author(s): ADDICO Gloria, AMU-MENSAH Frederick K., AKRONG Mark O., AMU-MENSAH Marian A. and DARKO Humphrey  

October 2018

Effects of Changes in Use of Indigenous Knowledge Systems on Land Cover in Teso Busia County, Kenya

This paper introduces indigenous land knowledge conservation systems as a significant resource which would contribute to the increased efficiency and effectiveness in the management of land and land based resources among rural communities. Despite their critical role in the conservation of the land based resources, these knowledge systems and technologies are being marginalized or even forgotten among rural communities....

Author(s): Ayaa Dominics Dan and Kipterer John Kapoi