October 2023

Effects of rangeland based integrated soil and water conservation practices on herbaceous species regeneration, diversity, biomass and growth of planted tree species in Haro-Bake Sub-Watershed, Yaballo District, and Southern Ethiopia

Rangeland degradation is a significant threat to people in dryland areas, particularly in Sub-Saharan Africa like Ethiopia. Rehabilitation of degraded land is challenging due to moisture limitations and drought. This study evaluated rangeland-based integrated watershed management. Three soil and moisture conservation structures were applied, and multi-purpose tree/shrub species like Faidherbia albida, Melia azedarach,...

Author(s): Siraj Kelil, Sisay Taye, Tadesse Negash and Jaldessa Doyo

November 2023

Effect of density and management of oil palm plantations on the avifauna of Southeastern Sierra Leone

Oil palm (Elaeis guineensis) is a tropical perennial plant that provides most of the vegetable oil traded internationally. Although native to Africa, oil palm is grown throughout the humid tropics, and the largest producers are now in Southeast Asia. In many regions of cultivation, oil palm has been identified as a leading cause of deforestation and biodiversity loss. In Sierra Leone, oil palm grows wild in secondary...

Author(s): James Feika, Patrick Dauda, Aiah Lebbie and Richard Wadsworth