IUCN Red List of Threatened Species Established in 1964, the IUCN Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global conservation status of animal, fungi and plant species
IUCN Red List of Threatened Species The IUCN Red List provides comprehensive information on the global conservation status of animal, fungi, and plant species
IUCN Red List of Threatened Species Scientific Papers — Analyses Spatial Data Download The IUCN Red List of Threatened Species ™ contains global assessments for more than 172,600 species More than 88% of these (>152,300 species) have spatial data The spatial data provided below are mostly for comprehensively assessed taxonomic groups and selected freshwater groups It is important to note that some species (such as those
IUCN Red List of Threatened Species The IUCN Red List Categories and Criteria are intended to be an easily and widely understood system for classifying species at high risk of global extinction This second edition of the IUCN Red List Categories and Criteria: Version 3 1 retains the same assessment system presented in the first edition
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IUCN Red List of Threatened Species Background History Established in 1964, the International Union for Conservation of Nature’s Red List of Threatened Species has evolved to become the world’s most comprehensive information source on the global extinction risk status of animal, fungus and plant species
Table 2: Changes in numbers of species in the threatened categories (CR . . . Table 2: Changes in numbers of species in the threatened categories (CR, EN, VU) from 1996 to 2024 (IUCN Red List version 2024-2) for the major taxonomic groups on the Red List Changes in number of threatened species from year to year should not be directly interpreted as trends in the status of biodiversity The figures displayed below reflect increased assessment efforts by IUCN and its
Table 1a: Number of species evaluated in relation to the overall number . . . The plant numbers DO NOT include species from the 1997 IUCN Red List of Threatened Plants (Walter and Gillett 1998) as those assessments used the pre-1994 IUCN system of threat categories Hence the numbers of threatened plants in Table 1b are much lower when compared to the 1997 results When reporting on threatened plants, the results from the current web version of The IUCN Red List should
Rules of Procedure for IUCN Red List Assessments 2017–20 The IUCN SSC Standards and Petitions Sub-Committee (SPSC) and the Red List Technical Working Group (RLTWG) also have the right to check assessments before publication for accurate and consistent application of the IUCN Red List Categories and Criteria and to check on consistency of approach across taxonomic groups
METADATA: Digital Distribution Maps on The IUCN Red List of Threatened . . . Version 6 3 1 Introduction: This dataset contains distribution information on species assessed for The IUCN Red List of Threatened SpeciesTM The maps are developed as part of a comprehensive assessment of global biodiversity in order to highlight taxa threatened with extinction, and thereby promote their conservation