• 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 ...

• 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 ...

• Prioritising potential incursions for contingency planning: pathways, species, and sites in Durban (eThekwini), South Africa as an example 

  Padayachee, A.L.; Proches, S.; Wilson, J.R.U. (Creative Commons Attribution License (CC BY 4.0), 2019)

  Increased trade and travel have resulted in an increasing rate of introduction of biological organisms to new regions. Urban environments, such as cities, are hubs for human activities facilitating the introduction of alien ...

• 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. ...

• 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 ...

• Alien bamboos in South Africa: a socio-historical perspective 

  Canavan, S.; Richardson, D.M.; Le Roux, J.J.; Wilson, J.R.U. (Springer, 2019)

  Changes in fashions and economic imperatives underlying plant introductions have a profound influence on the movement of species around the world. Using bamboo introductions into South Africa as a case-study, we explore ...

• 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 ...

• Global environmental and socio-economic impacts of selected alien grasses as a basis for ranking threats to South Africa 

  Nkuna, K.V.; Visser, V.; Wilson, J.R.U.; Kumschick, S. (Creative Commons CC-BY 4.0, 2018)

  Decisions to allocate management resources should be underpinned by estimates of the impacts of biological invasions that are comparable across species and locations. For the same reason, it is important to assess what ...

• Biodiversity assessments: Origin matters 

  Pauchard, A.; Meyerson, L.A.; Bacher, S.; Blackburn, T.M.; Brundu, G.; Cadotte, M.W.; Courchamp, F.; Essl, F.; Genovesi, P.; Haider, S.; Holmes, N.D.; Hulme, P.E.; Jeschke, J.M.; Lockwood, J.L.; Novoa, A.; Nunez, M.A.; Peltzer, D.A.; Pysek, P.; Richardson, D.M.; Simberloff, D.; Smith, K.; van Wilgen, B.W.; Vila, M.; Wilson, J.R.U.; Winter, M.; Zenni, R.D. (Creative Commons Attribution License, 2018)

  Recent global efforts in biodiversity accounting, such as those undertaken through the Convention on Biological Diversity (CBD) and Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES), ...

• Indicators for monitoring biological invasions at a national level 

  Wilson, J.R.U.; Faulkner, K.T.; Rahlao, S.J.; Richardson, D.M.; Zengeya, T.A.; van Wilgen, B.W. (British Ecological Society, 2018)

  1. A major challenge for the management of biological invasions is to ensure that data and information from basic inventories and ecological research are used alongside data from the monitoring and evaluation of interventions ...

• 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 ...

• Which taxa are alien? Criteria, applications, and uncertainties 

  Essl, F.; Bacher, S.; Genovesi, P.; Hulme, P.E.; Jeschke, J.M.; Katsanevakis, S.; Kowarik, I.; Kuhn, I.; Pysek, P.; Rabitsch, W.; Schindler, S.; van Kleunen, M.; Vila, M.; Wilson, J.R.U.; Richardson, D.M. (Oxford University Press, 2018)

  Human activities such as the transport of species to new regions and modifications of the environment are increasingly reshaping the distribution of biota. Accordingly, developing robust, repeatable, and consistent definitions ...

• 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 ...

• Plant invasions in South Africa: Insights from the 2017 National Status Report on Biological Invasions 

  Wilson, J.R.; Faulkner, K.; Henderson, L.; Munyai, T.; Rahlao, S.; Zengeya, T.; van Wilgen, B.W. (Elsevier, 2018)

  The impacts of biological invasions are increasing and are felt by all sectors of society. The Department of Environmental Affairs currently invests over R1.5 billion a year on managing biological invasions, mostly on alien ...

• 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 ...

• 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 ...

• Reassessing the invasion of South African waters by the European shore-crab Carcinus maenas 

  Mabin, C.A.; Wilson, J.R.U.; Le Roux, J.J.; Robinson, T.B. (NISC (Pty) Ltd, 2017)

  The European shore-crab Carcinus maenas has been present in South Africa since 1983. Despite this species’ international reputation as a biological invader, its distribution in this region has only been considered by three ...

• Non-native species in urban environments: patterns, processes, impacts and challenges 

  Gaertner, M.; Wilson, J.R.U.; Cadotte, M.W.; MacIvor, J.S; Zenni, R.D.; Richardson, D.M. (Springer, 2017)

  Although urban ecosystems are hotspots for biological invasions, the field of invasion science has given scant attention to invasion dynamics and the challenges facing managers in towns and cities. This paper provides ...

• How do invasive species travel to and through urban environments? 

  Padayachee, A.L.; Irlich, U.M.; Faulkner, K.T.; Gaertner, M.; Proches, S.; Wilson, J.R.U.; Rouget, M. (Springer, 2017)

  Globalisation has resulted in the movement of organisms outside their natural range, often with negative ecological and economic consequences. As cities are hubs of anthropogenic activities, with both highly transformed ...

• 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 ...

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