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This list is of Red Lists, Red Data Books, and related initiatives that assess and document the extinction risk of species, whether on an international or more local level (regional Red Lists). The IUCN has published a set of Guidelines for Application of the IUCN Red List Criteria at Regional and National Levels and at least 113 countries have ...
However, a definitive list of cities in the United Kingdom, which in itself would constitute a type of definition known as an Extensional definition (specifically, an enumerative definition) does exist, [1] though it does not define the limits of these cities.
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
The Red List of 2012 was released 19 July 2012 at Rio+20 Earth Summit; [17] nearly 2,000 species were added, [18] with 4 species to the extinct list, 2 to the rediscovered list. [19] The IUCN assessed a total of 63,837 species which revealed 19,817 are threatened with extinction.
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.
The earliest cities (Latin: civitas) in Britain were the fortified settlements organised by the Romans as capitals of the Celtic tribes under Roman rule.The British clerics of the early Middle Ages later preserved a traditional list of the "28 Cities" (Old Welsh: cair) which was mentioned in De Excidio Britanniae [c] and Historia Brittonum.
List of towns and cities in England by historical population, the development of urban centres in England and before England through time. Settlements in ceremonial counties of England by population, places with 5,000 or more residents by county and the highest populated built-up area in each county.
IUCN Red List extinct in the wild species; Lists of IUCN Red List critically endangered species; Lists of IUCN Red List data deficient species; Lists of IUCN Red List endangered species; Lists of IUCN Red List least concern species; Lists of IUCN Red List near threatened species; Lists of IUCN Red List vulnerable species