Author:Le Maitre, David C; Richardson, DM; Chapman, RADate:Jan 2004Invasive alien plants pose a substantial threat to the rich biodiversity of South Africa, and to the sustained delivery of a wide range of ecosystem services. Biological invasions are driven by human activities and mediated by culturally ...Read more
Author:Le Maitre, David C; Versfeld, DB; Chapman, RADate:Jul 2000The impacts of the widespread invasions by alien plants in South Africa are increasingly recognised. Most of the past concern has been about the impacts on conservation areas, other areas of natural vegetation and on agricultural productivity. ...Read more
Author:Le Maitre, David C; Van Wilgen, BW; Gelderblom, CM; Bailey, C; Chapman, RA; Nel, JADate:01 May 2002Invasive alien plants are consumptive water-users, and may have reduced river flows in South Africa by about 6.7% according to a broad-scale study. An effective programme to bring the invasions under control would cost about US$ 92 million ...Read more