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Transformation of a savanna grassland by drought and grazing
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: T.G. O'Connor --- , Republic of South AfricaThe relative effects of drought and heavy grazing on the floristic composition, population size and structure, and basal cover of an African savanna grassland were differentiated by comparing changes over eight years, which included a severe drought year, across a... -
Modelling the complex dynamics of vegetation, livestock and rainfall in asemiarid rangeland in South Africa
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: FD Richardson --- Department of Mathematics and Applied Mathematics, South Africa MT Hoffman --- Plant Conservation Unit, Botany Department, South Africa L Gillson --- Plant Conservation Unit, Botany Department, South AfricaPredicting the effect of different management strategies on range condition is a challenge for farmers in highly variable environments. A model that explains how the relations between rainfall, livestock and vegetation composition vary over time and interact is needed. Rangeland... -
Land reform and its impact on the arid South African environment: Riemvasmaak as a case study
Item type: Journal Article • Journal: African Journal of Range & Forage Science • Authors: GS Fleury --- , South Africa MT Hoffman --- , South Africa SW Todd --- , South AfricaThe 75 000 ha, hyper-arid area of Riemvasmaak represents one of the first land restitution cases in post-apartheid South Africa. People who were forcibly removed in 1974 were resettled in 1995. We describe the impact that people and domestic livestock...