IUCN Red List Categories and Criteria

E53043
biodiversity risk classification system conservation assessment framework

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.

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All labels observed (6)

Label Occurrences
IUCN 3.1 6
IUCN Red List Categories and Criteria canonical 4
IUCN Red List Categories and Criteria version 3.1 2

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 IUCN ⓘ
surface form: International Union for Conservation of Nature
governingBody IUCN ⓘ
surface form: 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 self-link ⓘ
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 (16)

Full triples — surface form annotated when it differs from this entity's canonical label.

IUCN Red List of Threatened Species → usesCriterionSystem → IUCN Red List Categories and Criteria ⓘ
IUCN Red List Categories and Criteria → shortName → IUCN Red List Categories and Criteria self-link ⓘ
northern elephant seal → IUCNRedListCategorySystem → IUCN Red List Categories and Criteria ⓘ
this entity surface form: IUCN 3.1
Dacnis cayana → IUCNRedListCategoryVersion → IUCN Red List Categories and Criteria ⓘ
this entity surface form: IUCN 3.1
Piranga olivacea → iucnStatusSystem → IUCN Red List Categories and Criteria ⓘ
this entity surface form: IUCN3.1
European eel → IUCNStatusSystem → IUCN Red List Categories and Criteria ⓘ
this entity surface form: IUCN3.1
Gyps bengalensis → IUCNRedListSystem → IUCN Red List Categories and Criteria ⓘ
this entity surface form: IUCN 3.1
Near Threatened (NT) → introducedInSystem → IUCN Red List Categories and Criteria ⓘ
subject surface form: Near Threatened
this entity surface form: IUCN Red List version 3.1
Near Threatened (NT) → governedBy → IUCN Red List Categories and Criteria ⓘ
subject surface form: Near Threatened
Least Concern (LC) → introduced → IUCN Red List Categories and Criteria ⓘ
subject surface form: Least Concern
this entity surface form: 1994 IUCN Red List Categories and Criteria
Least Concern (LC) → governedBy → IUCN Red List Categories and Criteria ⓘ
subject surface form: Least Concern
this entity surface form: IUCN Red List Categories and Criteria version 3.1
Criterion E (quantitative analysis) → partOf → IUCN Red List Categories and Criteria ⓘ
Criterion E (quantitative analysis) → definedIn → IUCN Red List Categories and Criteria ⓘ
this entity surface form: IUCN Red List Categories and Criteria version 3.1
Somateria fischeri → IUCNRedListCategorySystem → IUCN Red List Categories and Criteria ⓘ
this entity surface form: IUCN 3.1
Caretta caretta → IUCNRedListCategorySystem → IUCN Red List Categories and Criteria ⓘ
this entity surface form: IUCN 3.1
Kobus megaceros → IUCNRedListCategorySystem → IUCN Red List Categories and Criteria ⓘ
this entity surface form: IUCN 3.1