Red List Indices

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A Red List Index (RLI) can provide a measure of the rate of biodiversity loss, and whether this rate is being reduced or is increasing. RLIs therefore have the potential to illustrate the effectiveness of national, regional and global measures designed to conserve biological diversity.

RLIs measure overall trends in extinction risk for sets of species, based on their movements through the IUCN Red List categories of extinction risk. RLIs can be calculated for any set of species that has been fully assessed at least twice using the same criteria.

The IUCN Red List Index is one of the indicators used by the Convention on Biological Diversity as one of the indicators to track progress towards the Aichi Target 12: Preventing Extinctions.

This section gives an overview of the process of creating a national RLI, giving examples and case studies and links to additional information:

Why do a National RLI?

How to create a National RLI

Examples of National RLIs

 

RLI

The global Red List Index for the world’s mammals, birds, amphibians and corals. Source: http://iucnredlist.org