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For example, a plant species may be highly susceptible to a particular plant disease, meaning that exposed populations invariably become extinct or decline heavily. However, that species may not be vulnerable if it occurs only in areas where exposure to the disease is unlikely, or if it occurs over such a wide distribution that exposure of all ...
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]
A threatened species is any species (including animals, plants and fungi) which is vulnerable to extinction in the near future. Species that are threatened are sometimes characterised by the population dynamics measure of critical depensation, a mathematical measure of biomass related to population growth rate. This quantitative metric is one ...
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 (VU) species are considered to be facing a high risk of extinction in the wild. In September 2016, the International Union for Conservation of Nature (IUCN) listed 529 vulnerable mammalian species. [1] Of all evaluated mammalian species, 9.6% are listed as vulnerable. The IUCN also lists 53 mammalian subspecies as vulnerable.
Vulnerable (VU) – meets one of the 5 Red List criteria and thus considered to be at high risk of unnatural (human-caused) extinction without further human intervention. Near Threatened (NT) – close to being endangered in the near future. Lower Risk (LR) – unlikely to become endangered or extinct in the near future. Data Deficient (DD)
In developing countries around the globe, forest dwellers, poor villagers and other vulnerable populations claim the World Bank — the planet’s oldest and most powerful development lender — has left a trail of misery.
Starting from 1971, it was utilized to list vulnerable bird species throughout North America. Unlike the US Fish and Wildlife Endangered Species List, the Blue List was made to identify patterns of population losses for regional bird populations before they could be listed as endangered. [2]