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Superiority in competition for light : a crucial attribute defining the impact of the invasive alien tree Schinus molle (Anacardiaceae) in South African savanna
Invasion of ecosystems by woody alien plant species is a widespread phenomenon. Interspecific competition has often been suggested as a mechanism for replacement of one species by another, but this is rarely tested. We ...
Developing thresholds of potential concern for invasive alien species : hypotheses and concepts
The Kruger National Park (KNP) has developed and refined a system of management called 'strategic adaptive management' (SAM), which rests on the concept of 'threshold of potential concern' (TPC). TPCs represent end-points ...