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Mediterranean afforested landscapes. Biol Invas 10:507–515
Mehta S (2000) The Invasion of South African Fynbos by an Australian immigrant: the story of
A. saligna. http://hort.agri.umn.edu/h5015/rrr.htm. Accessed 15 July 2007
Richardson D, van Wilgen B (2004) Invasive alien plants in South Africa: how well do we
understand the ecological impacts? S Afr J Sci 100(1):45–52
Shogren JF, Tschirhart J (2004) Integrating ecology and economics to address bioinvasions. Ecol
Econ 52(3):267–271
Tilman D, Wedin D, Knops J (1996) Productivity and sustainability influenced by biodiversity in
grassland ecosystems. Nature 379(6567):718–720
288
D. Lehrer et al.