The impact of conservation on the status of the world's vertebrates

Authors

Michael Hoffman, IUCN SSC Species Survival Commission
Craig Hilton-Taylor, IUCN
Ariadne Angulo, IUCN–CI Biodiversity Assessment Unit
Monika Bohm, Zoological Society of London
Thomas M. Brooks, NatureServe
Stuart H. M. Butchart, BirdLife International
Kent E. Carpenter, Conservation International
Janice Chanson, Species Programme, IUCN
Ben Colen, Zoological Society of London
Neil A. Cox, Species Programme, IUCN
William R. T. Darwall, Species Programme, IUCN
Nicholas K. Dulvy, Simon Fraser University
Lucy R. Harrison, Simon Fraser University
Vineet Katariya, Species Programme, IUCN
Caroline M. Pollock, Species Programme, IUCN
Suhel Quader, Tata Institute of Fundamental Research
Nadia I. Richman, Zoological Society of London
Ana S. L. Rodrigues, Centre d’Ecologie Fonctionnelle et Evolutive
Marcelo F. Tognelli, Species Programme, IUCN
Jean-Christophe Vie, Species Programme, IUCN
John M. Aguiar, Texas A&M University
David J. Allen, Species Programme, IUCN
Gerald R. Allen, Western Australian Museum
Giovanni Amori, CNR–Institute for Ecosystem Studies
Natalia B. Ananjeva, Russian Academy of Sciences
Franco Andreone, Museo Regionale di Scienze Naturali
Paul Andrew, Taronga Conservation Society Australia
Aida Luz Aquino Ortiz
Jonathan E. M. Baillie, Zoological Society of London
Ricardo Baldi, Centro Nacional Patagónico–CONICET
Ben D. Bell, Victoria University of Wellington
S. D. Biju, University of Delhi
Jeremy P. Bird, Pacific Institute for Sustainable Development
Patricia Black-Decima, Universidad Nacional de Tucuman
J. Julian Blanc
Federico Bolaños, Universidad de Costa Rica
Wilmar Bolivar-G., Universidad del Valle
Ian J. Burfield, BirdLife International
James A. Burton, Earthwatch Institute
David R. Capper
Fernando Castro, Universidad del Valle
Gianluca Catullo, WWF Italy–Species Office
Rachel D. Cavanagh, British Antarctic Survey
Alan Channing, University of the Western Cape
Ning Labbish Chao, Bio-Amazonia Conservation International
Anna M. Chenery, United Nations Environment Programme World Conservation Monitoring Centre
Federica Chiozza, Sapienza Università di Roma
Viola Clausnitzer, Senckenberg Museum of Natural History Goerlitz
Nigel J. Collar, BirdLife International
Leah C. Collett, Species Programme, IUCN
Bruce B. Collette, National Museum of Natural History
Caludia F. Cortez Fernandez
Matthew T. Craig, University of Puerto Rico
Michael J. Crosby, BirdLife International
Neil Cumberlidge, Northern Michigan University
Annabelle Cuttelod, Species Programme, IUCN
Andrew E. Derocher, University of Alberta
Arvin C. Diesmos
John S. Donaldson, South African National Biodiversity Institute
J. W. Duckworth
Guy Dutson
S. K. Dutta, North Orissa University
Richard H. Emslie, IUCN SSC African Rhino Specialist Group
Aljos Farjon, Royal Botanic Gardens, Kew
Sarah Fowler, NatureBureau
Jorg Freyhof, Leibniz-Institute of Freshwater Ecology and Inland Fisheries
David L. Garshelis, Minnesota Department of Natural Resources
Justin Gerlach, Nature Protection Trust of Seychelles
David J. Gower, Natural History Museum
Tandora D. Grant, San Diego Zoo Institute for Conservation Research
Geoffrey A. Hammerson, NatureServe
Richard B. Harris, University of Montana
Lawrence R. Heaney, Field Museum of Natural History
S. Blair Hedges, Pennsylvania State University
Jean-Marc Hero, Griffith University - Australia
Baz Hughes, Wildfowl & Wetlands Trust
Syed Ainul Hussain, Wildlife Institute of India
Javier Ichochea M.
Robert F. Inger, Field Museum of Natural History
Nobuo Ishii, Tokyo Woman’s Christian University
Djoko T. Iskandar, Institut Teknologi Bandung
Richard K. B. Jnekins, University of Kent at Canterbury - U.K.
Yoshio Kaneko, Iwate Prefectural University
Maurice Kottelat, National University of Singapore
Kit M. Kovacs, Norwegian Polar Institute
Sergius L. Kuzmin, Russian Academy of Sciences
Enrique La Marca, Universidad de Los Andes, Venezuela
John F. Lamoreux, IUCN Species Programme
Michael W. N. Lau, Hong Kong SAR
Esteban O. Lavilla, Instituto de Herpetología
Kristin Leus, Conservation Breeding Specialist Group–European Regional Office
Rebecca L. Lewison, San Diego State University
Gabriela Lichtenstein, Instituto Nacional de Antropologia y Pensamiento Latinoamericano
Suzanne R. Livingstone, University of Glasgow
Vimoksalehi Lukoschek, University of California
David P. Mallon, Manchester Metropolitan University
Philip J. K. McGowan, Newcastle University Biology Field Station
Anna McIvor
Patricia D. Moehlman
Sanjay Molur
Antonio Munoz Alonso, El Colegio de la Frontera Sur
John A. Musick, Virginia Institute of Marine Science
Kristin Nowell
Ronald A. Nussbaum, University of Michigan
Wanda Olech, Warsaw University of Life Sciences
Nikolay L. Lorlov, Universitetskaya nab.1
Theodore J. Papenfuss, University of California - Berkeley
Gabriela Parra-Olea, Universidad Nacional Autónoma de México
William F. Perrin, NOAA Northwest Fisheries Science Center
Beth A. Polidoro
Mohammad Pourkazemi, International Sturgeon Research Institute
Paul A. Racey, University of Exeter in Cornwall
James S. Ragle
Mala Ram, Institute of Zoology
Galen Rathbun, California Academy of Sciences (San Francisco)
Robert P. Reynolds, National Museum of Natural History
Anders G. J. Rhodin, Chelonian Research Foundation
Stephen J. Richards, South Australian Museum
Lily O. Rodriguez, German Technical Cooperation (GTZ) GmbH
Santiago R. Ron, Pontificia Universidad Católica del Ecuador
Carlo Rondinini, Sapienza Università di Roma
Anthony B. Rylands, Conservation International
Yvonne Sadovy de Mitcheson, University of Hong Kong
Jonnell C. Sanciangco, Old Dominion University
Kate L. Sanders, University of Adelaide
Georgina Santos-Barrera, Universidad Nacional Autónoma de México
Jan Schipper, University of Hawaii, Hilo
Caryn Self-Sullivan, Georgia Southern University
Yichuan Shi
Alan Shoemaker
Frederick T. Short, University of New Hampshire, Durham
Claudio Sillero-Zubiri, University of Oxford
Debora L. Silvano, Universidade Católica de Brasília
Kevin G. Smith
Andrew T. Smith, Arizona State University
Jos Snoeks, Katholieke Universiteit Leuven
Alison J. Stattersfield
Andrew J. Symes, BirdLife International
Andrew B. Taber, Center for International Forestry Research
Bibhab K. Talukdar, Aaranyak and International Rhino Foundation
Helen J. Temple
Rob Timmins
Joseph A. Tobias, University of Oxford
Katerina Tsytsulina, National Institute of Biological Resources
Denis Tweddle, South African Institute for Aquatic Biodiversity
Carmen Ubeda, Universidad Nacional del Comahue
Sarah V. Valenti
Peter Paul van Dijk
Liza M. Veiga, Federal University of Pará
Alberto Veloso, Universidad de Chile
David C. Wege, BirdLife International
Mark Wilkinson, Natural History Museum
Elizabeth A. Williamson, University of Stirling
Feng Xie, the Chinese Academy of Sciences
Bruce E. Young
H. Resit Akcakaya, Stony Brook University
Leon Bennun, BirdLife International
Tim M. Blackburn
Luigi Boitani, Sapienza Università di Roma
Holly T. Dublin
Gustavo A. B. da Fonseca, Federal University of Minas Gerais
Claude Gascon
Thomas E. Lacher Jr., Texas A&M University
Georgina M. Mace, Imperial College London
Susan A. Mainka, IUCN
Jeffery A. McNeely, IUCN
Russell A. Mittermeier, Conservation International
Gordon McGregor Reid, North of England Zoological Society
Jon Paul Rodriguez, Instituto Venezolano de Investigaciones Científicas
Andrew A. Rosenberg, Conservation International
Michael J. Samways, Stellenbosch University
Jane Smart, IUCN
Bruce A. Stein
Simon N. Stuart, University of Bath

College

College of Science

Department/Unit

Biology

Document Type

Article

Source Title

Science

Volume

330

Issue

6010

First Page

1503

Last Page

1509

Publication Date

10-26-2010

Abstract

Using data for 25,780 species categorized on the International Union for Conservation of Nature Red List, we present an assessment of the status of the world’s vertebrates. One-fifth of species are classified as Threatened, and we show that this figure is increasing: On average, 52 species of mammals, birds, and amphibians move one category closer to extinction each year. However, this overall pattern conceals the impact of conservation successes, and we show that the rate of deterioration would have been at least one-fifth again as much in the absence of these. Nonetheless, current conservation efforts remain insufficient to offset the main drivers of biodiversity loss in these groups: agricultural expansion, logging, overexploitation, and invasive alien species.

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Disciplines

Biology

Keywords

Vertebrates; Wildlife conservation

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