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Small urban centres as launching sites for plant invasions in natural areas: insights from South Africa
Alien species are often first introduced to urban areas, so it is unsurprising that towns and cities are often hotspots for invasions. However, while large cities are usually the first sites of introduction, small towns ...
The potential range of Ailanthus altissima (tree of heaven) in South Africa: the roles of climate, land use and disturbance
Invasive trees are a major problem in South Africa. Many species are well established whereas others are still in the early stages of invasion. The management of invasive species is most cost effective at the early stages ...