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231223s2011 xx |||||o 00| ||eng c |
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|a 10.1111/j.1523-1739.2010.01598.x
|2 doi
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|a eng
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|a Rodríguez, Jon Paul
|e verfasserin
|4 aut
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|a Establishing IUCN Red List criteria for threatened ecosystems
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|c 2011
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Completed 17.05.2011
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|a Date Revised 16.04.2024
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a ©2010 Society for Conservation Biology.
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|a 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
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|a Journal Article
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|a Research Support, Non-U.S. Gov't
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|a Rodríguez-Clark, Kathryn M
|e verfasserin
|4 aut
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|a Baillie, Jonathan E M
|e verfasserin
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|a Ash, Neville
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|a Benson, John
|e verfasserin
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|a Boucher, Timothy
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|a Brown, Claire
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|a Burgess, Neil D
|e verfasserin
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|a Collen, Ben
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|a Jennings, Michael
|e verfasserin
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|a Keith, David A
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|a Nicholson, Emily
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|a Revenga, Carmen
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|a Reyers, Belinda
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|a Rouget, Mathieu
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|a Smith, Tammy
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|a Spalding, Mark
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|a Taber, Andrew
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|a Walpole, Matt
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|a Zager, Irene
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|a Zamin, Tara
|e verfasserin
|4 aut
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|i Enthalten in
|t Conservation biology : the journal of the Society for Conservation Biology
|d 1989
|g 25(2011), 1 vom: 15. Feb., Seite 21-9
|w (DE-627)NLM098176803
|x 1523-1739
|7 nnns
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|g volume:25
|g year:2011
|g number:1
|g day:15
|g month:02
|g pages:21-9
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|u http://dx.doi.org/10.1111/j.1523-1739.2010.01598.x
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