• Scale-area curves: a tool for understanding the ecology and distribution of invasive tree species 

      Donaldson, J.E.; Richardson, D.M.; Wilson, J.R.U. (Springer, 2014)
      Scale-area curves are increasingly used in ecology to predict population trajectories, based on the assumption that observed patterns are indicative of population dynamics. However, for introduced species, scale-area ...
    • Searching for phylogenetic pattern in biological invasions 

      Proches, S.; Wilson, J.R.U.; Richardson, D.M.; Rejmánek, M. (Blackwell Publishing Ltd, 2008)
      It has been suggested that alien species with close indigenous relatives in the introduced range may have reduced chances of successful establishment and invasion (Darwin’s naturalization hypothesis). Studies trying to ...
    • The seed ecology of an ornamental wattle in South Africa - Why has Acacia elata not invaded a greater area? 

      Donaldson, J.E.; Richardson, D.M.; Wilson, J.R.U. (Elsevier, 2014)
      Australian Acacia species introduced to South Africa as ornamentals have notably smaller invasive ranges than those introduced for forestry or dune stabilization.We asked whether the relatively small invasive extent of ...
    • A simple, rapid methodology for developing invasive species watch lists 

      Faulkner, K.T.; Robertson, M.P.; Rouget, M.; Wilson, J.R.U. (2014-11)
      Biosecurity schemes aim to prevent the introduction of species with a high invasion potential, without unduly restricting personal freedom and commercial activities. But invasive species risk assessments are time consuming, ...
    • Site-specific conditions influence plant naturalization: The case of alien Proteaceae in South Africa 

      Moodley, D.; Geerts, S.; Rebelo, T.; Richardson, D.M.; Wilson, J.R.U. (Elsevier, 2014-08)
      The outcome of plant introductions is often considered in binary terms (invasive or non-invasive). However, most species experience a time lag before naturalization occurs, and many species become naturalized at some sites ...
    • Small urban centres as launching sites for plant invasions in natural areas: insights from South Africa 

      McLean, P.; Gallien, L.; Wilson, J.R.U.; Gaertner, M.; Richardson, D.M. (Springer, 2017)
      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 ...
    • Socio-economic impact classification of alien taxa (SEICAT) 

      Bacher, S.; Blackburn, T.M.; Essl, F.; Genovesi, P.; Heikkilä, J.; Jeschke, J.M.; Jones, G.; Keller, R.; Kenis, M.; Kueffer, C.; Martinou, A.F.; Nentwig, W.; Pergl, J.; Pyšek, P.; Rabitsch, W.; Richardson, D.M.; Roy, H.E.; Saul, W.-C.; Scalera, R.; Vilà, M.; Wilson, J.R.U.; Kumschick, S. (British Ecological Society, 2018)
      1. Many alien taxa are known to cause socio-economic impacts by affecting the different constituents of human well-being (security; material and non-material assets; health; social, spiritual and cultural relations; freedom ...
    • Soft touch or heavy hand? Legislative approaches for preventing invasions: insights from cacti in South Africa 

      Novoa, A.; Kaplan, H.; Kumschick, S.; Wilson, J.R.U.; Richardson, D.M. (Weeds Science Society of America, 2015)
      The rate of transportation, introduction, dissemination and spread of non-native species is increasing despite growing global awareness of the extent and impact of biological invasions. Effective policies are needed to ...
    • Soil biota in a megadiverse country: Current knowledge and future research directions in South Africa 

      Janion-Scheepers, C.; Measey, J.; Braschler, B.; Chown, S.L.; Coetzee, L.; Colville, J.F.; Dames, J.; Davies, A.B.; Davies, S.J.; Davis, A.L.V.; Dippenaar-Schoeman, A.S.; Duffy, G.A.; Fourie, D.; Griffiths, C.; Haddad, C.R.; Hamer, M.; Herbert, D.G.; Hugo-Coetzee, E.A.; Jacobs, A.; Jacobs, K.; Jansen van Rensburg, C.; Lamani, S.; Lotz, L.N.; vdM. Louw, S.; Lyle, R.; Malan, A.P.; Marias, M.; Neethling, J.-A.; Nxele, T.C.; Plisko, D.J.; Prendine, L.; Rink, A.N.; Swart, A.; Theron, P.; Truter, M.; Ueckermann, E.; Uys, V.M.; Villet, M.H.; Willows-Munro, S.; Wilson, J.R.U. (Elsevier GmbH, 2016)
      Soils are integral to agricultural productivity, biodiversity, and the maintenance of ecosystem services. However, soil ecosystem research depends on foundational biological knowledge that is often missing. In this review, ...
    • Something in the way you move: dispersal pathways affect invasion success 

      Wilson, J.R.U.; Dormontt, E.E.; Prentis, P.J.; Lowe, A.J.; Richardson, D.M. (Elsevier Ltd., 2009)
      Biological invasions are caused by human-mediated extra-range dispersal and, unlike natural extra-range dispersal, are often the result of multiple introductions from multiple sources to multiple locations. The processes ...
    • South Africa as a donor of naturalised and invasive plants to other parts of the world 

      Pyšek, P.; Pergl, J.; van Kleunen, M.; Dawson, W.; Essl, F.; Kreft, H.; Weigelt, P.; Wilson, J.R.; Winter, M.; Richardson, D.M. (2020)
      This chapter provides the first assessment of South African native vascular plants as naturalised and invasive species in other parts of the world. For naturalised species, Global Naturalized Alien Flora (GloNAF) data were ...
    • A standardized set of metrics to assess and monitor tree invasions 

      Wilson, J.R.U.; Caplat, P.; Dickie, I.A.; Hui, C.; Maxwell, B.D.; Nunez, M.A.; Pauchard, A.; Rejmanek, M.; Richardson, D.M.; Robertson, M.P.; Spear, D.; Webber, B.L.; van Wilgen, B.W.; Zenni, R.D. (Springer, 2014-03)
      Scientists, managers, and policy-makers need functional and effective metrics to improve our understanding and management of biological invasions. Such metrics would help to assess progress towards management goals, ...
    • The Status of Biological Invasions and their Management in SA 

      Wilson, J.R.U.; Zengeya, T.A. (SANBI and DSI-NRF Centre of Excellence for Invasion Biology, 2020)
    • Stronger regional biosecurity is essential to prevent hundreds of harmful biological invasions 

      Faulkner, K.T.; Robertson, M.P.; Wilson, J.R.U. (2020)
      Biological invasions often transcend political boundaries, but the capacity of countries to prevent invasions varies. How this variation in biosecurity affects the invasion risks posed to the countries involved is unclear. ...
    • Studying earthworms (Annelida: Oligochaeta) in South Africa 

      Nxele, T.C.; Lamani, S.; Measey, G.J.; Armstrong, A.J.; Plisko, J.D.; Willos-Munro, S.; Janion-Scheepers, C.; Wilson, J.R.U. (Council of the KwaZulu-Natal Museum, 2015)
      Earthworms are an important component of southern African invertebrate diversity, due both to their influential roles in soil ecosystems, and the relatively large number of species. As of 2010, there were 282 indigenous ...
    • Tall-statured grasses: a useful functional group for invasion science 

      Canavan, S.; Meyerson, L.A.; Packer, J.G.; Pysek, P.; Maurel, N.; Lozano, V.; Richardson, D.M.; Brundu, G.; Canavan, K.; Cicatelli, A.; Cuda, J.; Dawson, W.; Essl, F.; Guarino, F.; Guo, W.-Y.; van Kleunen, M.; Kreft, H.; Lambertini, C.; Pergl, J.; Skalova, H.; Soreng, R.J.; Visser, V.; Vorontsova, M.S.; Weigelt, P.; Winter, M.; Wilson, J.R.U. (Springer, 2019)
      Species in the grass family (Poaceae) have caused some of the most damaging invasions in natural ecosystems, but plants in this family are also among the most widely used by humans. Therefore, it is important to be able ...
    • The Biogeography of South African Terrestrial Plant Invasions 

      Richardson, D.M.; Foxcroft, L.C.; Latombe, G.; Le Maitre, D.C.; Rouget, M.; Wilson, J.R. (2020)
      Thousands of plant species have been introduced, intentionally and accidentally, to South Africa from many parts of the world. Alien plants are now conspicuous features of many South African landscapes and hundreds of ...
    • The extent and effectiveness of alien plant control projects in South Africa 

      van Wilgen, B.W.; Wilson, J.R.; Wannenburgh, A.; Foxcroft, L.C. (2020)
      Studies of the impact of alien species on the environment are increasingly being carried out, and there has been ongoing debate about how to standardise the description of these impacts. This chapter evaluates the state ...
    • The Role of Environmental Factors in Promoting and Limiting Biological Invasions in South Africa 

      Wilson, J.R.; Foxcroft, L.C.; Geerts, S.; Hoffmann, M.T.; MacFadyen, S.; Measey, J.; Mills, A.; Richardson, D.M.; Robertson, M.P.; van Wilgen, B.W. (2020)
      This chapter provides an overview of the researchers and research initiatives relevant to invasion science in South Africa over the past 130 years, profiling some of the more recent personalities, particularly those who ...
    • The status of alien bamboos in South Africa 

      Canavan, S.; Richardson, D.M.; Le Roux, J.J.; Kelchner, S.A.; Wilson, J.R.U. (2021)
      The growing interest in commercial cultivation of bamboos (Poaceae subfamily Bambusoideae) has led to the introduction of new alien species into South Africa. The rate at which bamboos are being planted in South Africa is ...