Published October 30, 2023 | Version v3
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IPBES Invasive Alien Species Assessment: Chapter 2. Trends and status of alien and invasive alien species

  • 1. Senckenberg Biodiversity and Climate Research Centre, Germany
  • 2. University of Rhode Island
  • 3. Scientific Services, Ezemvelo KZN Wildlife, South Africa
  • 4. Bioinvasions, Global Change, Macroecology Group, Department of Botany and Biodiversity Research, University of Vienna, Austria
  • 5. Department of Biology, University of Florence
  • 6. Institute of Botany after A. Takhtajyan NAS RA
  • 7. CNRS - Université Paris-Saclay
  • 8. Ankara University, Agricultural Faculty, Department of Fisheries and Aquaculture, Evolutionary Genetics Laboratory (eGL), Turkey
  • 9. Marine Zoology Department, Senckenberg Research Institute and Natural History Museum, Frankfurt am Main
  • 10. Locally Managed Marine Area (LMMA) Network International
  • 11. Czech Academy of Sciences, Institute of Botany, Czech Republic
  • 1. Department of Mathematical Sciences, Stellenbosch University; Mathematical Biosciences, African Institute for Mathematical Sciences
  • 2. INIBIOMA (CONICET - Universidad Nacional del Comahue)
  • 3. Makerere University, Department of Zoology, Entomology & Fisheries Sciences
  • 4. Department of Environmental Systems Science, ETH Zürich
  • 5. Fisheries and Oceans Canada
  • 6. 1) National Research Council of Italy - Institute for Bioeconomy (CNR-IBE), Via dei Taurini 19, 00185 Rome, Italy. 2) Global Mammal Assessment Programme, Department of Biology and Biotechnologies, Sapienza University of Rome, Viale dell'Università 32, 00185 Rome, Italy.
  • 7. Centre for Biodiversity and Environment Research, Department of Genetics, Evolution and Environment, University College London, UK, and Institute of Zoology, Zoological Society of London, UK
  • 8. Institute of Geobotany, Leibniz University Hannover; School of Geography, Earth Science & Environment, University of the South Pacific
  • 9. Instituto Patagónico para el Estudio de los Ecosistemas Continentales IPEEC- CONICET
  • 10. University of Toronto Scarborough
  • 11. "1) Centre for Geographical Studies, Institute of Geography and Spatial Planning, University of Lisbon, Portugal 2) Associate Laboratory TERRA, Portugal"
  • 12. Williams College
  • 13. U.S. Department of Agriculture, Agricultural Research Service
  • 14. University of Hawaiʻi at Mānoa
  • 15. Bioinvasions, Global Change, Macroecology Group, University Vienna
  • 16. South African National Parks
  • 17. Clemson University
  • 18. Departamento de Botánica, Universidad de Concepción, Chile
  • 19. The Steinhardt Museum of Natural History and Israel National Center for Biodiversity Studies, Tel Aviv University
  • 20. Universitat de Girona, Institute of Aquatic Ecology
  • 21. School of Biological Sciences, Zoology Building, University of Aberdeen
  • 22. Martin Luther University Halle-Wittenberg, Institute of Biology / Geobotany and Botanical Garden, Germany; German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Germany
  • 23. Environmental Science and Studies, DePaul University
  • 24. British Antarctic Survey
  • 25. University of Vienna
  • 26. USDA Forest Service, Northern Research Station; Czech University of Life Sciences Prague (CZU), Faculty of Forestry and Wood Science
  • 27. (1) College of Fisheries, Ocean University of China; (2) Institute of Hydrobiology, Chinese Academy of Sciences; (3) Institute of Biology, Freie Universität Berlin
  • 28. Centre for Functional Ecology, Department of Life Sciences, University of Coimbra
  • 29. 1 - Escola Superior Agrária de Coimbra/ Instituto Politécnico de Coimbra; 2 - Centre for Functional Ecology - Science for People & the Planet
  • 30. CABI, IUCN Species Survival Commission
  • 31. Centro de Investigación e Innovación para el Cambio Climático (CiiCC), Facultad de Ciencias, Universidad Santo Tomás, Santiago
  • 32. University of Bern
  • 33. Senckenberg Biodiversity and Climate Research Institute
  • 34. Department of Invasion Ecology, Institute of Botany of the Czech Academy of Sciences, Czech Republic
  • 35. IUCN, Science and Data Centre, Biodiversity Assessment and Knowledge Team, UK
  • 36. 1 - Modelling, Evidence and Policy Group, School of Natural and Environmental Sciences, Newcastle University, UK; 2- Biological & Environmental Sciences, University of Stirling, UK
  • 37. Universidad de Concepción
  • 38. McGill University
  • 39. Centre for Invasion Biology, Department of Botany and Zoology, Stellenbosch University, South Africa
  • 40. University of Auckland
  • 41. University of Groningen, Groningen Institute for Evolutionary Life Sciences (GELIFES)
  • 42. Kerala Forest Research Institute, India
  • 43. Instituto de Biología de Organismos Marinos (IBIOMAR-CONICET)
  • 44. Swiss Federal Institute for Forest, Snow and Landscape Research, Switzerland (primary affiliation); Department of Botany and Zoology, Centre for Invasion Biology, Stellenbosch University, South Africa (secondary affiliation)
  • 45. University of Tennessee
  • 46. Cary Institute of Ecosystem Studies; Graham Sustainability Institute, University of Michigan
  • 47. Goethe University Frankfurt am Main, Department of Biological Sciences, Institute of Ecology, Evolution and Diversity / Senckenberg BiK-F, Senckenberg Gesellschaft für Naturforschung
  • 48. Facultad de Ciencias, Universidad Católica de la Santísima Concepción
  • 49. Federal University of Parana
  • 50. Department of Biological Sciences, University of Alberta
  • 51. International Institute Zittau - Technische Universität Dresden, Germany; German Centre for Integrative Biodiversity Research (iDiv) Halle-Jena-Leipzig, Germany
  • 52. Biology Department, Loyola Marymount University
  • 53. Universidade Federal de Lavras


Chapter 2: Trends and status of alien and invasive alien species of the Thematic Assessment Report on Invasive Alien Species and their Control of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services.


Suggested citation: Seebens, H., Meyerson, L. A., Rahlao, S. J., Lenzner, B., Tricarico, E., Aleksanyan, A., Courchamp, F., Keskin, E., Saeedi, H., Tawake, A., and Pyšek, P. (2023). Chapter 2: Trends and status of alien and invasive alien species. In: Thematic Assessment Report on Invasive Alien Species and their Control of the Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services. Roy, H. E., Pauchard, A., Stoett, P., and Renard Truong, T. (eds.). IPBES secretariat, Bonn, Germany.


1. Chapter 2_IPBES IAS Assessment.pdf

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Is part of
10.5281/zenodo.7430682 (DOI)
Is supplemented by
Figure: 10.5281/zenodo.7615582 (DOI)
Output management plan: 10.5281/zenodo.5706520 (DOI)