November 2017

Vulnerability of agro-pastoral farms to climate change in Dakoro

In Niger, climate change affects the majority of the population, especially the rural communities. The present study intends to contribute to the understanding of the actual perception of climate changes by the population along with the degree of apprehensiveness of the population regarding the climatic manifestations described by scientists. To this end, two communities have been targeted in the Department of Dakoro....

Author(s): Sidibe Boubacar Roukayatou, Lawali Sitou and Ali Mahamane

November 2017

Spatial and temporal water quality dynamics of Awash River using multivariate statistical techniques

Awash River has important socio-economic and ecological values in Ethiopia. On the contrary, it is prone to serious water pollution. This study aims to assess the spatial and temporal variation of water quality of the river. Means of the 9 years’ (2005-2013) water quality dataset of 19 parameters from 10 stations in the basin were considered. After validating, normalizing and checking the sampling adequacy and...

Author(s): Amare Shiberu Keraga, Zebene Kiflie and Agizew Nigussie Engida

November 2017

Two-stage anaerobic sequence batch digestion of composite tannery wastewater

Most of the leather industries in Ethiopia discharge their effluent partially or without any treatment to the nearby water bodies. This creates a serious effect on aquatic biota and surrounding environment due to its high organic loading and chromium content. To minimize the effect, tannery wastewater should be treated before the effluent is discharged to the environment. Therefore, the main objective of the study was...

Author(s): Messay Emana and Mekibib Dawit