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Establishing IUCN red list criteria for threatened ecosystems

Rodríguez, Jon Paul, Rodríguez-Clark, Kathryn M., Baillie, Jonathan E. M., Ash, Neville, Benson, John, Boucher, Timothy, Brown, Claire, Burgess, Neil D., Collen, Ben, Jennings, Michael, Keith, David A., Nicholson, Emily, Revenga, Carmen, Reyers, Belinda, Rouget, Mathieu, Smith, Tammy, Spalding, Mark, Taber, Andrew, Walpole, Matt, Zager, Irene and Zamin, Tara 2011, Establishing IUCN red list criteria for threatened ecosystems, Conservation biology, vol. 25, no. 1, pp. 21-29, doi: 10.1111/j.1523-1739.2010.01598.x.

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Title Establishing IUCN red list criteria for threatened ecosystems
Author(s) Rodríguez, Jon Paul
Rodríguez-Clark, Kathryn M.
Baillie, Jonathan E. M.
Ash, Neville
Benson, John
Boucher, Timothy
Brown, Claire
Burgess, Neil D.
Collen, Ben
Jennings, Michael
Keith, David A.
Nicholson, EmilyORCID iD for Nicholson, Emily orcid.org/0000-0003-2199-3446
Revenga, Carmen
Reyers, Belinda
Rouget, Mathieu
Smith, Tammy
Spalding, Mark
Taber, Andrew
Walpole, Matt
Zager, Irene
Zamin, Tara
Journal name Conservation biology
Volume number 25
Issue number 1
Start page 21
End page 29
Total pages 9
Publisher Wiley
Place of publication Chichester, Eng.
Publication date 2011-02
ISSN 1523-1739
Keyword(s) biodiversity
congresses as topic
conservation of natural resources
ecosystem
endangered species
extinction, biological
risk assessment
Summary The potential for conservation of individual species has been greatly advanced by the International Union for Conservation of Nature's (IUCN) development of objective, repeatable, and transparent criteria for assessing extinction risk that explicitly separate risk assessment from priority setting. At the IV World Conservation Congress in 2008, the process began to develop and implement comparable global standards for ecosystems. A working group established by the IUCN has begun formulating a system of quantitative categories and criteria, analogous to those used for species, for assigning levels of threat to ecosystems at local, regional, and global levels. A final system will require definitions of ecosystems; quantification of ecosystem status; identification of the stages of degradation and loss of ecosystems; proxy measures of risk (criteria); classification thresholds for these criteria; and standardized methods for performing assessments. The system will need to reflect the degree and rate of change in an ecosystem's extent, composition, structure, and function, and have its conceptual roots in ecological theory and empirical research. On the basis of these requirements and the hypothesis that ecosystem risk is a function of the risk of its component species, we propose a set of four criteria: recent declines in distribution or ecological function, historical total loss in distribution or ecological function, small distribution combined with decline, or very small distribution. Most work has focused on terrestrial ecosystems, but comparable thresholds and criteria for freshwater and marine ecosystems are also needed. These are the first steps in an international consultation process that will lead to a unified proposal to be presented at the next World Conservation Congress in 2012.
Language eng
DOI 10.1111/j.1523-1739.2010.01598.x
Field of Research 050202 Conservation and Biodiversity
Socio Economic Objective 960805 Flora
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2010, Society for Conservation Biology
Persistent URL http://hdl.handle.net/10536/DRO/DU:30073627

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