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A proposed unified framework for biological invasions |
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| Authors: | Blackburn Tim M Pyšek Petr Bacher Sven Carlton James T Duncan Richard P Jarošík Vojtěch Wilson John R U Richardson David M |
| Affiliation: | 1 Institute of Zoology, Zoological Society of London, Regent's Park, London, UK, NW1 4RY 2 Distinguished Scientist Fellowship Program, King Saud University, PO Box 2455, Riyadh 1145, Saudi Arabia 3 Institute of Botany, Academy of Sciences of the Czech Republic, CZ-252 43 Pr?honice, Czech Republic 4 Department of Ecology, Faculty of Science, Charles University, Vini?ná 7, CZ-128 01 Praha 2, Czech Republic 5 Department of Biology, Unit Ecology & Evolution, University of Fribourg, Chemin du Musée 10, 1700 Fribourg, Switzerland 6 Williams College-Mystic Seaport Maritime Studies Program, Mystic, CT 06355, USA 7 Bio-Protection Research Centre, PO Box 84, Lincoln University, Lincoln 7647, New Zealand 8 Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University, Private Bag X1, Matieland 7602, South Africa 9 South African National Biodiversity Institute, Kirstenbosch National Botanical Gardens, Claremont, South Africa |
| Abstract: | There has been a dramatic growth in research on biological invasions over the past 20 years, but a mature understanding of the field has been hampered because invasion biologists concerned with different taxa and different environments have largely adopted different model frameworks for the invasion process, resulting in a confusing range of concepts, terms and definitions. In this review, we propose a unified framework for biological invasions that reconciles and integrates the key features of the most commonly used invasion frameworks into a single conceptual model that can be applied to all human-mediated invasions. The unified framework combines previous stage-based and barrier models, and provides a terminology and categorisation for populations at different points in the invasion process. |
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