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 | + | |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. | + | |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
Warning: This page is no longer updated. More recent information can be found at https://marinespecies.org/traits/aphia.php?p=attrdefinitions
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.
- [[Extinct|Extinct (EX)]]
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 reason … A taxon is Extinct when there is no reasonable doubt that the last individual has died. A</br>taxon is presumed Extinct when exhaustive surveys in known and/or expected habitat,</br>at appropriate times (diurnal, seasonal, annual), throughout its historic range have failed</br>to record an individual. Surveys should be over a time frame appropriate to the taxon’s</br>life cycle and life form.e to the taxon’s
life cycle and life form. +
URL"URL" is a type and predefined property provided by Semantic MediaWiki to represent URI/URL values.
