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Comparing the number of species in each category of IUCN Red List 1994 IUCN Red List categories (version 2.3), used for species which have not been reassessed since 2001. There have been a number of versions, dating from 1991, including: [29] [30] Version 1.0 (1991) Version 2.0 (1992) Version 2.1 (1993) Version 2.2 (1994) Version 2.3 (1994)
An IUCN Red List critically endangered (CR or sometimes CE) species is one that has been categorized by the International Union for Conservation of Nature as facing an extremely high risk of extinction in the wild. [1] As of 2021, of the 120,372 species currently tracked by the IUCN, there are 8,404 species that are considered to be critically ...
This list is of Red Lists, Red Data Books, and related initiatives that assess and document the extinction risk of species, whether on an international or more local level (regional Red Lists). The IUCN has published a set of Guidelines for Application of the IUCN Red List Criteria at Regional and National Levels and at least 113 countries have ...
As of December 2023, of the 157,190 species currently on the IUCN Red List, 9,760 of those are listed as Critically Endangered, with 1,302 being possibly extinct and 67 possibly extinct in the wild. [2] The IUCN Red List provides the public with information regarding the conservation status of animal, fungi, and plant species. [3]
The IUCN Red List of Threatened Species by the International Union for Conservation of Nature is the best known worldwide conservation status listing and ranking system. . Species are classified by the IUCN Red List into nine groups set through criteria such as rate of decline, population size, area of geographic distribution, and degree of population and distribution fragmenta
The initial development of the criteria for the List was based on analogies with the criteria for species and on existing protocols designed for regional applications. [5] [6] In 2013, the process of creating The Categories and Criteria of the IUCN Red List Ecosystems, was finalized.
Download as PDF; Printable version; ... As of July 2021, the IUCN lists 14,033 animal species and 6,635 plant species as least ... IUCN Red List least concern species ...
The conservation dependent category is part of the IUCN 1994 Categories & Criteria (version 2.3), which is no longer used in evaluation of taxa, but which persists in the IUCN Red List for taxa evaluated prior to 2001, when version 3.1 was first used.