画像:Status iucn2.3 EN.svg
出典: フリー百科事典『ウィキペディア（Wikipedia）』
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ウィキメディア・コモンズの記述
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Graphic diagram for the IUCN Red List categories.
World Conservation Union (IUCN) Red List categories
| 2001 Categories & Criteria (version 3.1) |
Description | 1994 Categories & Criteria (version 2.3) |
|---|---|---|
 |
Least Concern (LC or LR/lc), lowest risk. Does not qualify for a more at risk category. Widespread and abundant taxa are included in this category. |  |
 |
Near Threatened (NT or LR/nt), is close to qualifying for or is likely to qualify for a threatened category in the near future. |  |
| No longer a Red List category | Conservation Dependent (LR/cd), the focus of a continuing taxon-specific or habitat-specific conservation programme targeted towards the taxon in question, the cessation of which would result in the taxon qualifying for one of the threatened categories below within a period of five years. |  |
| 2001 Categories & Criteria (version 3.1) |
Description | 1994 Categories & Criteria (version 2.3) |
|---|---|---|
 |
Vulnerable (VU), considered to be facing a high risk of extinction in the wild |  |
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Endangered (EN), considered to be facing a very high risk of extinction in the wild. |  |
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Critically Endangered (CR), facing an extremely high risk of extinction in the wild. |  |
| 2001 Categories & Criteria (version 3.1) |
Description | 1994 Categories & Criteria (version 2.3) |
|---|---|---|
 |
Extinct in the Wild (EW), known only to survive in cultivation, in captivity or as a naturalized population (or populations) well outside the past range. |  |
| Data Deficient (DD), inadequate information to make a direct, or indirect, assessment of its risk of extinction. | ||
| Not Evaluated (NE), not yet been evaluated against the criteria. | ||
 |
Possibly Extinct (PE), a category given by BirdLife International. A subcategory of CR. |  |
 |
Possibly Extinct in the Wild (PEW), A term used within the IUCN Red List. A subcategory of CR. |  |
 |
Extinct (EX), there is no reasonable doubt that the last individual has died. |  |
[edit] See also
[edit] Licensing
Graphic credit: Peter Halasz. (User:Pengo)
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This file is licensed under Creative Commons Attribution 2.5 License In short: you are free to distribute and modify the file as long as you attribute its author(s) or licensor(s). |
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