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The International Union for Conservation of Nature (IUCN) is an international organization working in the field of nature conservation and sustainable use of natural resources. [3] Founded in 1948, IUCN has become the global authority on the status of the natural world and the measures needed to safeguard it.
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 IUCN Red List is a list of species which have been assessed according to a system of assigning a global conservation status. According to the latest system used by the IUCN, a species can be "Data Deficient" (DD) species – species for which more data and assessment is required before their situation may be determined – as well species ...
The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, also known as the IUCN Red List or Red Data Book, founded in 1964, is an inventory of the global conservation status and extinction risk of biological species. [1]
The IUCN Red List of Threatened Species is the best-known worldwide conservation status listing and ranking system. [ 8 ] Over 50% of the world's species are estimated to be at risk of extinction, [ 9 ] but the frontier between categories such as 'endangered', 'rare', or 'locally extinct' species is often difficult to draw given the general ...
LRE - Knowledge product of IUCN/CEM. The IUCN Red List of Ecosystems (RLE) is a global framework for monitoring and documenting the status of ecosystems. It was developed by the International Union for Conservation of Nature for biodiversity risk assessment. Its main objectives are to support conservation, resource use, and management decisions ...
The determination of status is constantly monitored and can change. This category is part of the IUCN 1994 Categories & Criteria (version 2.3), which is no longer used in evaluation of taxa, but persists in the IUCN Red List for taxa evaluated prior to 2001, when version 3.1 was first used.
This may be due to them being too recently described to be included in the latest IUCN red book. Any extant taxa that cannot be found with the IUCN Red List can be considered NE within IUCN, and the status field should be left blank, unless they are found within another system (e.g. TNC Archived 2009-07-28 at the Wayback Machine , EPBC , ESA ...