SUMMARY FOR POLICYMAKERS OF THE IPBES ASSESSMENT REPORT ON INVASIVE ALIEN SPECIES 
AND THEIR CONTROL 
Copyright (c) 2023, Intergovernmental Science-Policy Platform on Biodiversity and Ecosystem Services (IPBES)
ISBN No: 978-3-947851-35-5
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Traceable accounts
The chapter references enclosed in curly brackets (e.g. {2.3.1, 
2.3.1.2, 2.3.1.3}) are traceable accounts and refer to sections of the 
chapters of this IPBES Assessment. A traceable account is a guide 
to the section in the chapters that contains the evidence supporting 
a given message and reflecting the evaluation of the type, amount, 
quality, and consistency of evidence and the degree of agreement 
for that statement or key finding.
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the maps used in the present report do not imply the expression 
of any opinion whatsoever on the part of the Intergovernmental 
Science-Policy Platform on Biodiversity and Ecosystem Services 
concerning the legal status of any country, territory, city or area or 
of its authorities, or concerning the delimitation of its frontiers or 
boundaries. These maps have been prepared for the sole purpose 
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For further information, please contact
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Photo credits 
Cover: Y. Arthus-Bertrand shutterstock | C. Ison shutterstock | 
A. Lesik iStock | LPETTET shutterstock | Frank60
P. 3: IISD/ENB | Anastasia Rodopoulou (A. M. Hernandez Salgar)
Terra_D. Valente (A. Larigauderie)
P.4-5: UNEP (I. Andersen) UNESCO/C. Alix (A. Azoulay) FAO/G. 
Carotenuto (Dr Qu Dongyu) UNDP (A. Steiner) CBD Secretariat
(D. Cooper)
P. 7: Claudio Concha Avello
P. 10-11: shutterstock | Budimir Jevtic
P. 13: Canva | Igaguri 1 Anibal Pauchard Canva | Mark Bridger
Adobe Stock | Michael Shake Anibal Pauchard
P. 15: Anibal Pauchard Nicola Battini Canva | Tratong
P. 18-19: iStock | Shansche
P. 44-45: AdobeStock | Sahil Ghosh
Technical support unit
Naoki Amako and Noriko Moriwake (heads) 
Ryoko Kawakami
Tanara Renard Truong
Graphic Design
Maro Haas, Art direction and layout 
Tom August and Kate Randall: figures of the summary for 
policymakers
SUGGESTED CITATION
IPBES (2023). Summary for Policymakers of the 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., Renard Truong, T., 
Bacher, S., Galil, B. S., Hulme, P. E., Ikeda, T., Sankaran, K. V., McGeoch, M. A., Meyerson, L. A., Nunez, M. A., Ordonez, A., Rahlao, S. J., 
Schwindt, E., Seebens, H., Sheppard, A. W., and Vandvik, V. (eds.). IPBES secretariat, Bonn, Germany. 
https://doi.org/10.5281/zenodo.7430692
MEMBERS OF THE MANAGEMENT COMMITTEE WHO PROVIDED GUIDANCE FOR THE PRODUCTION OF THIS ASSESSMENT
Eric Fokam, Shizuka Hashimoto, Rizwan Irshad, Ruslan Novitsky, Rashad Allahverdiyev, Vinod Bihari Mathur, Youngbae Suh.
REVIEW EDITORS OF THE SUMMARY FOR POLICYMAKERS
Piero Genovesi, John R. Wilson.
This report in the form of a PDF can be viewed and downloaded at www.ipbes.net
The Assessment of Invasive Alien Species and their Control was made possible thanks to many generous contributions received during the 
production of the Assessment including non-earmarked contributions to the IPBES trust fund from Governments (Australia, Austria, Belgium, 
Bulgaria, Canada, Chile, China, Denmark, Estonia, European Union, Finland, France, Germany, Japan, Latvia, Luxembourg, Netherlands 
[Kingdom of the], New Zealand, Norway, Republic of Korea, Slovakia, Spain, Sweden, Switzerland, United Kingdom and United States of 
America); earmarked contributions to the IPBES trust fund toward the Assessment (France - Office Francais de la Biodiversite); and in-kind 
contributions targeted at the Assessment, including from the Institute for Global Environmental Strategies (IGES) which hosted the technical 
support unit. All donors to the trust funds are listed on the IPBES web site: www.ipbes.net/donors
Introduction
Introduction
The thematic assessment report on
INVASIVE ALIEN SPECIES
AND THEIR CONTROL