Biodiversity Data Use

IUCN Red List Categories and Criteria

Red List Guidelines

Criteria Summary Sheet

Mapping Standards

Regional and National Levels Guidelines

Spatial Tools and Data for Red List Assessments
Includes brief overviews of some tools developed to aid mapping of spatial data and estimation of Red List metrics such as EOO and AOO, plus developer information, links to help files, support networks and associated research publications.

Supporting information guidelines
The Documentation Standards and Consistency Checks for IUCN Red List Assessments and Species Accounts (also known as the Supporting Information Guidelines) provides guidance on the required and recommended supporting information for Red List assessments. It also provides guidance on the writing style and format that should be used for all IUCN Red List assessments.