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Vulnerable habitat or species are monitored and can become increasingly threatened. Some species listed as "vulnerable" may be common in captivity, an example being the military macaw. In 2012 there were 5,196 animals and 6,789 plants classified as vulnerable, compared with 2,815 and 3,222, respectively, in 1998. [1]
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
Vulnerable species; Endangered species; Critically endangered species; Less-than-threatened categories are near threatened, least concern, and the no longer assigned category of conservation dependent. Species that have not been evaluated (NE), or do not have sufficient data (data deficient) also are not considered "threatened" by the IUCN.
An ecosystem is Least Concern when it has been evaluated against the criteria and does not qualify for Critically Endangered, Endangered, Vulnerable or Near Threatened. Widely distributed and relatively undegraded ecosystems are included in this category.
In conservation biology, susceptibility is the extent to which an organism or ecological community would suffer from a threatening process or factor if exposed, without regard to the likelihood of exposure. [1]
A near-threatened species is a species which has been categorized as "Near Threatened" (NT) by the International Union for Conservation of Nature (IUCN) as that may be vulnerable to endangerment in the near future, but it does not currently qualify for the threatened status. [1] [2]
As the climate crisis gets worse, ... s going on in the brains of people with schizophrenia or other conditions is just one factor that makes them more vulnerable to extreme heat, air pollution ...
Critically Endangered (CR): faces an extremely high risk of extinction in the immediate future. Examples: Slender-billed Curlew , Spanish Lynx , Red Wolf . Extinct in the Wild ( EW ): captive individuals survive, and/or the species has been reintroduced outside its former natural range, but the species otherwise matches the criteria for ...