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The Red List Index (sampled approach) (SRLI) has been developed in order to determine the threat status and also trends of lesser-known and less charismatic species groups. It is a collaboration between IUCN members and is coordinated through the Institute of Zoology (IoZ), the research division of the Zoological Society of London (ZSL).
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 by evaluating all the world's ...
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
A Regional Red List may be created by any country or organisation by following the clear, repeatable protocol. The process is as follows: All information relevant to a species conservation status is collected, including species distribution, population trend information, habitat, ecology and life history information, threats to the species and conservation measures currently in place.
Wile E. Coyote and the Road Runner are the two main characters and protagonists of a long-running (since 1949) Warner Bros. animated series. [ 43 ] The greater roadrunner is the state bird of New Mexico and, as such, appeared in a 1982 sheet of 20-cent United States stamps showing 50 state birds and flowers.
The ICUN compiled the “Red List”, evaluating the global conservation status of species based on the threat level. [15] The list separates species into threat levels ranging from least concern to extinct, aiding in directing efforts to mitigate species decline [16] This assessment evaluated factors contributing to species extinction like population size, trends, distributions, and threats.
Version 2.0 of the Green Status of Species assessment introduced a dynamic current baseline that can be used for the calculation of Conservation Dependence and Gain, using the predicted Green Score at 10 years given current conservation actions and those that are expected to go into effect within one year of the Green Status assessment.
status_system IUCN3.1 global? Yes (except "stocks and populations") status EX EW CR EN VU NT LC DD NE PE PEW status_ref {{}}Link (criteria) (search) Notes PE and PEW (Probably Extinct and Probably Extinct in the Wild) are not official IUCN categories, but PE has been adopted by Birdlife International, and the terms appear within the IUCN Red List entries.