Author:Yapi, Thozamile S; O’Farrell, Patrick J; Dziba, Luthando E; Esler, KJDate:Mar 2018The degree to which invasive Acacia species affect South Africa’s livestock production has received little attention. We investigated the ecological impacts of Acacia mearnsii invasion on forage quality and quantity and on soil resources, ...Read more
Author:Yapi, T; O'Farrell, P; Dziba, L; Esler, KDate:Oct 2012In this presentation the author shares some of his MSc research findings to highlight the effects of Acacia mearnsii density and clearing on grazing provision and related resources.Read more
Author:Yapi, T; O'Farrell, Patrick J; Dziba, LE; Esler, KDate:Oct 2012The central aim of this research is to develop a deeper understanding of the
ecological impacts of A. mearnsiiinvasions on the functioning and productivity of rangelands in South Africa and their ability to sustain livestock production.Read more
Author:Wise, RM; Van Wilgen, BW; Le Maitre, David CDate:Aug 2012Mesquite (Prosopis species) were introduced to South Africa to provide fodder and shade for livestock, but some have become invasive, impacting on water and grazing resources. Mesquite’s net economic effects are unclear and their unequal ...Read more
Author:De Lange, Willem J; Van Wilgen, BWDate:Jul 2010This study is a first attempt at a holistic economic evaluation of South African endeavours to manage invasive alien plants using biological control. The author’s focus was on the delivery of ecosystem services from habitats that are invaded ...Read more
Author:Reyers, B; O'Farrell, Patrick J; Cowling, RM; Egoh, Benis N; Le Maitre, David C; Vlok, JHJDate:2009Land-cover change has been identified as one of the most important drivers of change in ecosystems and their services. However, information on the consequences of land cover change for ecosystem services and human well-being at local scales ...Read more
Author:Wessels, Konrad J; Prince, SD; Carroll, M; Malherbe, JohanDate:Apr 2007According to the nonequilibrium theory, livestock grazing has a limited effect on long-term vegetation productivity of semiarid rangelands, which is largely determined by rainfall. The communal lands in northeastern South Africa contain ...Read more
Author:Maluleke, P; Landman, WA; Malherbe, Johan; Archer, Emma RMDate:Nov 2018Application of seasonal forecasts in agriculture has significant potential and realized utility. Other sectors that may also benefit from using seasonal forecasts include (but are not limited to) health, hydrology, water, and energy. This ...Read more