The relative contribution of overstocking and selective grazing to the degeneration of tall grassveld in natal

Overstocking has for long been blamed for the deterioration of South African grasslands and, in the Tall Grassveld of Natal, it certainly leads to a rapid deterioration of both herbage production and species composition. In this veld type, however, selective grazing also has a profound elfect on species composition in that it encourages the encroachment of Aristida junciformis, a species which is largely avoided by animals and therefore contributes little to animal production.