ABSTRACT
Different situations require different solutions, and general observations in different areas show that particularly in the natural evergreen forest environment, invasive alien species may need to be dealt with in a different way (Parrotta et al. 1997, FAO 2003). Some of
16.1 Introduction ........................................................................................................................ 217 16.2 Natural evergreen forests in South Africa ..................................................................... 219 16.3 Historical perspective on alien plant introductions in the South African natural forest environment ..................................................................... 220 16.4 National survey of invasive alien species in South African forest environment ..... 221 16.5 Conceptual understanding of the invasion process of shade-intolerant alien species ..........................................................................................223 16.6 Practical management of shade-intolerant alien invaders in forest ...........................227 16.7 Practical management of shade-tolerant alien invaders in natural forest .................230 16.8 General discussion: A strategic framework for alien plant control in the forest environment ................................................................................................. 231 16.9 Concluding remarks ..........................................................................................................233 Acknowledgments ......................................................................................................................234 Appendix ......................................................................................................................................234 References .....................................................................................................................................235
