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We examined landscape and habitat (vegetation) scale foraging of cattle and sheep at two communal villages in the Eastern Cape, South Africa, to determine the key resources utilised during the dry season. At the landscape scale, cattle at both sites displayed overall preference for the arable...
Acacia trees comprise a principal component of the diet of many African browsers. The resultant browsing pressure has led to the evolution of both physical and chemical responses in Acacia trees. In an observational study, we investigated the physical and chemical defenses in Acacia sieberiana...
Increases in the tree: grass ratio with accompanying changes in herbaceous composition, called bush or shrub encroachment, is a worldwide phenomenon in savanna regions. Although heavy grazing by livestock is often believed to be the cause, it is clear that the factors and processes involved in...
A field experiment was conducted in which Mopane (Colophospermum mopane) trees were subjected to three different canopy treatments:felling of trees at a mean height of 0.7m above ground level, felling at a height of 2m, or pruning of selected branches. These treatments were intended to simulate...
The objective of this study was to determine the proanthocyanidin (PA; condensed tannin) and saponin contents of different parts of Stylosanthes scabra (Fitzroy) plants harvested from five agro-ecologically different sites in Zimbabwe. Condensed tannins and saponin content of S. scabra leaves...
Stylosanthes hamata (stylo) was introduced into communities in the Northern Savanna Zone of Ghana in 1994 for rangeland improvement through oversowing. The objective of this study was to assess the performance of S. hamata in northern Ghana. The study was carried out in 15 communities in five...
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