Difference between revisions of "Traits:Extinct"

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{{Concept
 
{{Concept
 
|label=Extinct (EX)
 
|label=Extinct (EX)
|definition=A taxon is Extinct when there is no reasonable doubt that the last individual has died. A
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|definition=A taxon is Extinct when there is no reasonable doubt that the last individual has died. A taxon is presumed Extinct when exhaustive surveys in known and/or expected habitat, at appropriate times (diurnal, seasonal, annual), throughout its historic range have failed to record an individual. Surveys should be over a time frame appropriate to the taxon’s life cycle and life form.
taxon is presumed Extinct when exhaustive surveys in known and/or expected habitat,
 
at appropriate times (diurnal, seasonal, annual), throughout its historic range have failed
 
to record an individual. Surveys should be over a time frame appropriate to the taxon’s
 
life cycle and life form.
 
 
}}
 
}}
 
{{Conceptshowvalues}}
 
{{Conceptshowvalues}}
 
{{freetext}}
 
{{freetext}}
 
{{reference
 
{{reference
|reference=IUCN. (2012). IUCN Red List Categories and Criteria: Version 3.1. Second edition.
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|reference=IUCN. (2012). IUCN Red List Categories and Criteria: Version 3.1. Second edition. Gland, Switzerland and Cambridge, UK: IUCN. iv + 32pp.
Gland, Switzerland and Cambridge, UK: IUCN. iv + 32pp.
 
 
}}
 
}}
 
{{Concept relation
 
{{Concept relation

Latest revision as of 15:27, 4 December 2019

Extinct (EX)

Extinct (EX): A taxon is Extinct when there is no reasonable doubt that the last individual has died. A taxon is presumed Extinct when exhaustive surveys in known and/or expected habitat, at appropriate times (diurnal, seasonal, annual), throughout its historic range have failed to record an individual. Surveys should be over a time frame appropriate to the taxon’s life cycle and life form.




References: 
  • IUCN. (2012). IUCN Red List Categories and Criteria: Version 3.1. Second edition. Gland, Switzerland and Cambridge, UK: IUCN. iv + 32pp.








... more about "Extinct"
Property +
A taxon is Extinct when there is no reasonA taxon is Extinct when there is no reasonable doubt that the last individual has died. A taxon is presumed Extinct when exhaustive surveys in known and/or expected habitat, at appropriate times (diurnal, seasonal, annual), throughout its historic range have failed to record an individual. Surveys should be over a time frame appropriate to the taxon’s life cycle and life form.e to the taxon’s life cycle and life form. +
Extinct (EX) +
IUCN. (2012). IUCN Red List Categories and Criteria: Version 3.1. Second edition. Gland, Switzerland and Cambridge, UK: IUCN. iv + 32pp. +
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