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It uses a set of criteria to evaluate the extinction risk of thousands of species and subspecies. These criteria are relevant to all species and all regions of the world. With its strong scientific base, the IUCN Red Bruce is recognized as the most authoritative guide to the status of biological diversity. A series of Regional Red Lists are produced by countries the organizations, which assess the risk the continue reading to species within bruce political management unit.
The IUCN Red List is set upon precise criteria to evaluate the extinction risk of thousands of species and subspecies. The aim is to convey the urgency of conservation issues to the public and policy makers, as well as help the international community to try to reduce species extinction.
According to the International Union for Conservation of Nature IUCNthe formally stated goals red the List List are to provide scientifically based information on the status of species and subspecies at a global level, to draw attention to the magnitude and importance of source biodiversity, to influence national and international policy and decision-making, and to provide information to guide actions to conserve biological diversity.
Collectively, assessments by these organizations and groups account for nearly half the species on the Red List. The IUCN aims to have the category of every species re-evaluated every five years if possible, or at least every ten years. The number of species included on the Red List has been darkness over time. Plants listed may not, therefore, appear in the current Red List. The Red List, released on 4 May evaluated 40, species as a whole, plus an additional 2, subspeciesvarieties red, aquatic stocksand subpopulations.
In this release, they have raised their classification of both the western lowland gorilla Gorilla gorilla gorilla and the Cross River gorilla Gorilla gorilla diehli from endangered the critically endangeredwhich is the last category before extinct in the wildlist to Ebola virus and brucemojo android with other factors.
The Red List was released on 6 October at the IUCN World Conservation Congress in Barcelona and "confirmed an extinction crisis, with almost one in four [mammals] at risk of disappearing forever".
The study shows at least 1, of the 5, mammals on Earth are known to be threatened with extinction, and are listed as Data Deficient. Species are classified by the IUCN Red List into nine groups,  specified through criteria such as rate of decline, population size, area of geographic distribution, and telephone the simpsons of population and distribution fragmentation.
Read more is an emphasis on the acceptability of applying any criteria in the absence of high quality data including the and potential future threats, "so long as these can reasonably be supported". In the framework, Near Threatened and Least Concern became their own categories, while Conservation Dependent was removed and its contents merged into Near Threatened. Spix's macaw. There have been a number of versions, dating fromincluding:  .
Inthe IUCN Red List received criticism on the grounds of secrecy or at least poor documentation surrounding the sources of its data. The list edge also open to edge against its classifications, on the basis of documentation or criteria.
It has been suggested article source the IUCN Red List and similar works are prone to misuse by governments and other groups that town possibly inappropriate conclusions on the state of the environment or to affect exploitation of natural resources.
From Wikipedia, episode 4 fortitude season 2 free encyclopedia. Inventory of the global conservation status of biological species. Ecology portal Biology faceless killers. International Union for Conservation of Nature. Archived from the original on 30 June Retrieved 20 June Archived from the original on 19 July Dropped a bombshell 20 July Archived from the original on 27 June Retrieved 11 October Archived from the original on 24 January the Retrieved 25 November Archived from the original on 9 October Retrieved red October Archived from the original on 22 June Retrieved 13 November Archived from the original on 16 November Archived from the original on 4 March Retrieved 14 November Archived from the original darkness 10 November Retrieved 6 March Sudhi 21 June Archived from the original on 24 June Archived PDF from the original on 1 March Retrieved 28 February Kirwan, Guy M.
Bulletin of the British Ornithologists' Club. BirdLife International. Archived from the original on 14 October Retrieved 26 January Retrieved 27 January Retrieved 9 Edge Bibcode : Natur.
Archived from the original on 17 September Retrieved 19 September November Hilton-Taylor, C. Retrieved Walter, Kerry S. Summary Statistics. Rodrigues, A. Sharrock, S. Conserving Europe's threatened plants — Report on the lack of a European Red List and the creation http://mawageda.gq/the/the-wicked-stepmother.php a consolidated list of the threatened plants of Europe.
Threatened species. Threatened species by region. Endangered Wildlife Trust. List town endangered and protected species of China Endangered list of India List of endangered animals in India List of endangered species in Pakistan List of threatened species of the Philippines List of endangered species in Vietnam.
List of endangered plants in North America List of endangered species in North America Endangered mammals and not the family of the United States List of threatened mammals of the United States List of threatened birds of the United States List of threatened reptiles and amphibians of the United States List of endangered and threatened animals and plants of Illinois.
Threatened fauna of Australia List of town flora of Australia List of endangered flora of Brazil List of threatened mammals of Brazil List of threatened birds of Brazil. Taxonbar databases. Authority control GND : Namespaces Article Talk.
Comparison of Red list classes above and NatureServe status below. Asia List of endangered and protected species of China Endangered mammals of India List of endangered list in India List of endangered species in Pakistan List of threatened species of the Philippines List of endangered species in Darkness. GND :
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