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10 de may. de 2024 · Critically Endangered (CR), a category containing those species that possess an extremely high risk of extinction as a result of rapid population declines of 80 to more than 90 percent over the previous 10 years (or three generations), a current population size of fewer than 50 individuals, or other factors.
8 de may. de 2024 · Endangered Species Act, U.S. federal law passed in 1973 that obligates federal and state governments to protect all species threatened with extinction that fall within the borders of the United States and its outlying territories. The act is credited with the recovery of a number of prominent species.
20 de may. de 2024 · endangered species, any species that is at risk of extinction because of a sudden rapid decrease in its population or a loss of its critical habitat. Biodiverse regions that require protection on the grounds that they host a significant number of endangered species are called hot spots. (Read E.O. Wilson’s Britannica essay on mass extinction.)
23 de may. de 2024 · – WWF 2013 [3] Threatened rays are those vulnerable to endangerment ( extinction) in the near future. The International Union for Conservation of Nature ( IUCN) ranks threatened species in three categories: [4] Vulnerable species. Endangered species. Critically endangered species.
13 de may. de 2024 · Latest data on seized trafficked species from 2015 to 2021 across 162 countries and territories indicates that illegal trade affects roughly 4,000 plant and animal species with approximately...
13 de may. de 2024 · Vienna, 13 May 2024. The UN Office on Drugs and Crime’s (UNODC) new World Wildlife Crime Report finds that – despite positive signs in reducing trafficking impacts for some iconic species like elephants and rhinoceros – wildlife trafficking overall has not been substantially reduced over two decades.
17 de may. de 2024 · Our threatened species populations have been declining by about 2-3% a year over the past 20 years. The first step is to stop the fall. Then the challenge is to restore dwindling species and...
