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    The prognosis for Ailanthus altissima (Simaroubaceae; tree of heaven) as an invasive species in South Africa; insights from its performance elsewhere in the world 

    Walker, G.A.; Gaertner, M.; Robertson, M.P.; Richardson, D.M. (Elsevier B.V., 2017)
    South Africa has a major problem with invasive plant species. Many species have long residence times, are well established, and have large invasive ranges, whereas others are still in the early stages of invasion. Predicting ...
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    The balance of trade in alien species between South Africa and the rest of Africa 

    Faulkner, K.T.; Hurley, B.P.; Robertson, M.P.; Rouget, M.; Wilson, J.R.U. (AOSIS, 2017)
    Background: Alien organisms are not only introduced from one biogeographical region to another but also spread within regions. As South Africa shares land borders with six countries, multiple opportunities exist for the ...
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    Alien plant species that invade high elevations are generalists: support for the directional ecological filtering hypothesis 

    Steyn, C.; Greve, M.; Robertson, M.P.; Kalwij, J.M.; le Roux, P.C. (International Association for Vegetation Science, 2017)
    Questions: The richness of invasive alien plant species tends to decrease with increasing elevation. This pattern may be due to alien plant species requiring traits allowing survival at high elevations (the Abiotic ...
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    The potential range of Ailanthus altissima (tree of heaven) in South Africa: the roles of climate, land use and disturbance 

    Walker, G.A.; Robertson, M.P.; Gaertner, M.; Gallien, L.; Richardson, D.M. (Springer, 2017)
    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 ...
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    Prioritising surveillance for alien organisms transported as stowaways on ships travelling to South Africa. 

    Faulkner, K.T.; Robertson, M.P.; Rouget, M.; Wilson, J.R.U. (Public Library of Science, 2017)
    The global shipping network facilitates the transportation and introduction of marine and terrestrial organisms to regions where they are not native, and some of these organisms become invasive. South Africa was used as a ...
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    Coping with the cold: minimum temperatures and thermal tolerances dominate the ecology of mountain ants 

    Bishop, T.R.; Robertson, M.P.; van Rensburg, B.J.; Parr, C.L. (John Wiley & Sons Ltd, 2017)
    1. Ants (Hymenoptera: Formicidae) are often cited as highly thermophilic and this has led to a range of studies investigating their thermal tolerances. It is unknown, however, if the geographic distribution of ant thermal ...

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    AuthorRobertson, M.P. (6)Faulkner, K.T. (2)Gaertner, M. (2)Richardson, D.M. (2)Rouget, M. (2)Walker, G.A. (2)Wilson, J.R.U. (2)Bishop, T.R. (1)Gallien, L. (1)Greve, M. (1)... View MoreSubjectBiological invasions (2)Early stages of invasion (2)Invasive species (2)Tree invasions (2)Aien species (1)Ants (1)Biosecurity (1)Broad environmental tolerance (1)Co-operation (1)Early detection (1)... View MoreDate Issued
    2017 (6)
    Has File(s)Yes (6)

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