IUCN Red List Categories and Criteria
E53043
The IUCN Red List Categories and Criteria is a standardized global framework used to assess and classify species’ extinction risk based on quantitative measures of population status, trends, and threats.
Statements (48)
| Predicate | Object |
|---|---|
| instanceOf |
biodiversity risk classification system
→
conservation assessment framework → |
| appliesTo |
species
→
subpopulations → subspecies → varieties → |
| basedOn |
degree of population fragmentation
→
geographic range → observed threats → population size → population trend → quantitative criteria → |
| characteristic |
repeatable assessments
→
standardized methodology → transparent thresholds → |
| definesCategory |
Critically Endangered (CR)
→
Data Deficient (DD) → Endangered (EN) → Extinct (EX) → Extinct in the Wild (EW) → Least Concern (LC) → Near Threatened (NT) → Not Evaluated (NE) → Vulnerable (VU) → |
| developedBy |
International Union for Conservation of Nature
→
|
| governingBody |
IUCN Species Survival Commission
→
|
| influences |
international conservation agreements
→
national endangered species legislation → |
| linkedTo |
IUCN Red List of Threatened Species
→
|
| purpose |
assess extinction risk of taxa
→
|
| requires |
documentation of data sources
→
justification of category assignment → |
| revisedFrom |
earlier IUCN Red List criteria (1994 version)
→
|
| scope |
global
→
|
| shortName |
IUCN Red List Categories and Criteria
→
|
| supports |
biodiversity conservation planning
→
monitoring progress toward conservation targets → policy and decision making → priority setting for species conservation → |
| usedFor |
global Red List assessments
→
national Red List adaptations → |
| usesCriterion |
Criterion A (population reduction)
→
Criterion B (geographic range) → Criterion C (small population size and decline) → Criterion D (very small or restricted population) → Criterion E (quantitative analysis) → |
| version |
Version 3.1
→
|
| versionPublicationYear |
2001
→
|
Referenced by (2)
| Subject (surface form when different) | Predicate |
|---|---|
|
IUCN Red List Categories and Criteria
→
|
shortName |
|
IUCN Red List of Threatened Species
→
|
usesCriterionSystem |