• Crossing frontiers in tackling pathways of biological invasions 

      Essl, F.; Bacher, S.; Blackburn, T.M.; Booy, O.; Brundu, G.; Brunel, S.; Cardoso, A.C.; Eschen, R.; Gallardo, B.; Galil, B.; Garcia-Berthou, E.; Genovesi, P.; Groom, Q.; Harrower, C.; Hulme, P.E.; Katsanevakis, S.; Kenis, M.; Kuhn, I.; Kumschick, S.; Martinou, A.F.; Nentwig, W.; O'Flynn, C.; Pagad, S.; Pergl, J.; Pysek, P.; Rabitsch, W.; Richardson, D.M.; Roques, A.; Roy, H.E.; Scalera, R.; Schindler, S.; Seebens, H.; Vanderhoeven, S.; Vila, M.; Wilson, J.R.U.; Zenetos, A.; Jeschke, J.M. (Oxford University Press, 2015)
      Substantial progress has been made in understanding how pathways underlie and mediate biological invasions. However, key features of their role in invasions remain poorly understood, available knowledge is widely scattered, ...
    • Delayed biodiversity change: no time to waste 

      Essl, F.; Dullinger, S.; Rabitsch, W.; Hulme, P.E.; Pysek, P.; Wilson, J.R.U.; Richardson, D.M. (Elsevier Ltd., 2015)
      Delayed biodiversity responses to environmental forcing mean that rates of contemporary biodiversity changes are underestimated, yet these delays are rarely addressed in conservation policies. Here, we identify mechanisms ...
    • Different traits determine introduction, naturalization and invasion success in woody plants: Proteaceae as a test case 

      Moodley, D.; Geerts, S.; Richardson, D.M.; Wilson, J.R.U. (2013)
      A major aim of invasion ecology is to identify characteristics of successful invaders. However, most plant groups studied in detail (e.g. pines and acacias) have a high percentage of invasive taxa. Here we examine the ...
    • Distribution and management of Acacia implexa (Benth.) in South Africa: A suitable target for eradication? 

      Kaplan, H.; van Zyl, H.W.F.; Le Roux, J.J.; Richardson, D.M.; Wilson, J.R.U. (Elsevier, 2012)
      This study is the first detailed assessment of an invasion by Acacia implexa (Benth.) (screw-pod wattle) anywhere in the world. Approximately 30 000 A. implexa individuals were found spread over about 600 ha (a condensed ...
    • The distribution and status of alien plants in a small South African town 

      McLean, P.; Wilson, J.R.U.; Gaertner, M.; Kritzinger-Klopper, S.; Richardson, D.M. (Elsevier B.V., 2018)
      1. The invasion of alien plants into natural ecosystems in South Africa is a substantial conservation concern. The primary reason for the introduction of alien plants has been ornamental horticulture, and urban centres are ...
    • Does origin determine environmental impacts? Not for bamboos 

      Canavan, S.; Kumschick, S.; Le Roux, J.J.; Richardson, D.M.; Wilson, J.R.U. (New Phytologist Trust, 2019)
      Societal Impact Statement: Non‐native species can cause considerable negative impacts in natural ecosystems. Such impacts often are directly due to the fact that these species occur in habitats where they did not evolve. ...
    • Ecological research and conservation manangement in the Cape Floristic Region between 1945 and 2015: History, current understanding and future challenges 

      van Wilgen, B.W.; Carruthers, J.; Cowling, R.M.; Esler, K.J.; Forsyth, A.T.; Gaertner, M.; Hoffman, M.T.; Kruger, F.J.; Midgley, G.F.; Palmer, G.; Pence, G.Q.K.; Raimondo, D.C.; Richardson, D.M.; van Wilgen, N.J.; Wilson, J.R.U. (Taylor & Francis, 2016)
      In 1945, the Royal Society of South Africa published a wide-ranging report, prepared by a committee led by Dr C.L. Wicht, dealing with the preservation of the globally unique and highly diverse vegetation of the south-western ...
    • Elucidating the native sources of an invasive tree species, Acacia pycnantha, reveals unexpected native range diversity and structure 

      Ndlovu, J.; Richardson, D.M.; Wilson, J.R.U.; O'Leary, M.; Le Roux, J.J. (Oxford University Press, 2013)
      † Background and Aims Understanding the introduction history of invasive plant species is important for their management and identifying effective host-specific biological control agents. However, uncertain taxonomy, intra- ...
    • Emerging infectious diseases and biological invasions: a call for a One Health collaboration in science and management 

      Ogden, N.H.; Wilson, J.R.U.; Richardson, D.M.; Hui, C.; Davies, S.J.; Kumschick, S.; Le Roux, J.J.; Measey, J.; Saul, W.-C.; Pulliam, J.R.C. (The Royal Society Publishing, 2019)
      The study and management of emerging infectious diseases (EIDs) and of biological invasions both address the ecology of human-associated biological phenomena in a rapidly changing world. However, the two fields work mostly ...
    • Evaluating the invasiveness of Acacia paradoxa in South Africa 

      Zenni, R.D.; Wilson, J.R.U.; Le Roux, J.J.; Richardson, D.M. (2009-08-13)
      We present the first detailed survey of a population of Acacia paradoxa DC. (syn. Acacia armata R.Br.), Kangaroo Thorn, in South Africa. The species is listed under the Conservation of Agricultural Resources Act as a ...
    • Even well-studied groups of alien species might be poorly inventoried: Australian Acacia species in South Africa as a case study 

      Magona, N.; Richardson, D.M.; Le Roux, J.J.; Kritzinger-Klopper, S.; Wilson, J.R.U. (Pensoft, 2018)
      Understanding the status and extent of spread of alien plants is crucial for effective management. We explore this issue using Australian Acacia species (wattles) in South Africa (a global hotspot for wattle introductions ...
    • A four-component classification of uncertainties in biological invasions: implications for management 

      Latombe, G.; Canavan, S.; Hirsch, H.; Hui, C.; Kumschick, S.; Nsikani, M.N.; Potgieter, L.J.; Robinson, T.B.; Saul, W.-C.; Turner, S.C.; Wilson, J.R.U.; Yannelli, F.A.; Richardson, D.M. (John Wiley & Sons, Inc, 2019)
      Although uncertainty is an integral part of any science, it raises doubts in public perception about scientific evidence, is exploited by denialists, and therefore potentially hinders the implementation of management ...
    • Framework and guidelines for implementing the proposed IUCN Environmental Impact Classification for Alien Taxa (EICAT) 

      Hawkins, C.L.; Bacher, S.; Essl, F.; Hulme, P.E.; Jeschke, J.M.; Kuhn, I.; Kumschick, S.; Nentwig, W.; Pergl, J.; Pysek, P.; Rabitsch, W.; Richardson, D.M.; Vila, M.; Wilson, J.R.U.; Genovesi, P.; Blackburn, T.M. (John Wiley & Sons Ltd, 2015)
      Recently, Blackburn et al. (2014) developed a simple, objective and transparent method for classifying alien taxa in terms of the magnitude of their detrimental environmental impacts in recipient areas. Here, we present a ...
    • A framework for engaging stakeholders on the management of alien species 

      Novoa, A.; Shackleton, R.; Canavan, S.; Cybele, C.; Davies, S.J.; Dehnen-Schmutz, K.; Fried, J.; Gaertner, M.; Geerts, S.; Griffiths, C.L.; Kaplan, H.; Kumschick, S.; Le Maitre, D.C.; Measey, G.J.; Nunes, A.L.; Richardson, D.M.; Robinson, T.B.; Touza, J.; Wilson, J.R.U. (Elsevier Ltd., 2018)
      Alien species can have major ecological and socioeconomic impacts in their novel ranges and so effective management actions are needed. However, management can be contentious and create conflicts, especially when stakeholders ...
    • Frameworks used in invasion science: progress and prospects 

      Wilson, J.R.U.; Bacher, S.; Daehler, C.C.; Groom, Q.J.; Kumschick, S.; Lockwood, J.L.; Robinson, T.B.; Zengeya, T.A.; Richardson, D.M. (2020)
      Our understanding and management of biological invasions relies on our ability to classify and conceptualise the phenomenon. This need has stimulated the development of a plethora of frameworks, ranging in nature from ...
    • Genetic diversity and structure of the globally invasive tree, Paraserianthes lophantha subspecies lophantha, suggest an introduction history characterised by varying propagule pressure 

      Thompson, G.D.; Richardson, D.M.; Wilson, J.R.U.; Bellstedt, D.U.; Le Roux, J.J. (Springer, 2016)
      An emerging insight in invasion biology is that intra-specific genetic variation, human usage, and introduction histories interact to shape genetic diversity and its distribution in populations of invasive species. We ...
    • Global actions for managing cactus invasions 

      Novoa, A.; Brundu, G.; Day, M.D.; Deltoro, V.; Essl, F.; Foxcroft, L.C.; Fried, G.; Kaplan, H.; Kumschick, S.; Lloyd, S.; Marchante, E.; Marchante, H.; Paterson, I.D.; Pyšek, P.; Richardson, D.M.; Witt, A.; Zimmermann, H.G.; Wilson, J.R.U. (2019)
      The family Cactaceae Juss. contains some of the most widespread and damaging invasive alien plant species in the world, with Australia (39 species), South Africa (35) and Spain (24) being the main hotspots of invasion. The ...
    • The global distribution of bamboos: assessing correlates of introduction and invasion 

      Canavan, S.; Richardson, D.M.; Visser, V.; Le Roux, J.J.; Voronstsova, M.S.; Wilson, J.R.U. (Oxford University Press, 2017)
      There is a long history of species being moved around the world by humans. These introduced species can provide substantial benefits, but they can also have undesirable consequences. We explore the importance of human ...
    • Global guidelines for the sustainable use of non-native trees to prevent tree invasions and mitigate their negative impacts 

      Brundu, G.; Pauchard, A.; Pyšek, P.; Pergl, J.; Bindewald, A.M.; Brunori, A.; Canavan, S.; Campagnaro, T.; Celesti-Grapow, L.; de Sá Dechoum, M.; Dufour-Dror, J.-M.; Essl, F.; Flory, S.L.; Genovesi, P.; Guarino, F.; Guangzhe, L.; Hulme, P.E.; Jäger, H.; Kettle, C.J.; Krumm, F.; Langdon, B.; Lapin, K.; Lozano, V.; Le Roux, J.J.; Novoa, A.; Nuñez, M.A.; Porté, A.J.; Silva, J.S.; Schaffner, U.; Sitzia, T.; Tanner, R.; Tshidada, N.; Vítková, M.; Westergren, M.; Wilson, J.R.U.; Richardson, D.M. (2020)
      Sustainably managed non-native trees deliver economic and societal benefits with limited risk of spread to adjoining areas. However, some plantations have launched invasions that cause substantial damage to biodiversity ...
    • Grasses as invasive plants in South Africa revisited: patterns, pathways and management 

      Visser, V.; Wilson, J.R.U.; Canavan, K.; Canavan, S.; Fisher, L.; Le Maitre, D.; Nanni, I.; Mashau, C.; O'Connor, T.G.; Ivey, P.; Kumschick, S.; Richardson, D.M. (AOSIS, 2017)
      Background: In many countries around the world, the most damaging invasive plant species are grasses. However, the status of grass invasions in South Africa has not been documented recently. Objectives: To update Sue ...