How are IUCN categories defined?

How are IUCN categories defined?

Categories. 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 degree of population and distribution fragmentation.

What are categories into which species listed in Red Data Book?

Species listed in Red Data Book are vulnerable, threatened and endangered. Threatened species included following five categories : Critically endangered, endangered, vulnerable, rare and indeterminate.

What do EN and CR stand for as per IUCN Red List?

Species assessed as Critically Endangered (CR), Endangered (EN), or Vulnerable (VU) are referred to as “threatened” species. Reporting the proportion of threatened species on The IUCN Red List is complicated because: not all species groups have been fully evaluated, and.

What are the categories of Red List?

2001 IUCN Red List Categories and Criteria (version 3.1)

• EXTINCT (EX) A taxon is Extinct when there is no reasonable doubt that the last individual has died.
• EXTINCT IN THE WILD (EW)
• CRITICALLY ENDANGERED (CR)
• ENDANGERED (EN)
• VULNERABLE (VU)
• NEAR THREATENED (NT)
• LEAST CONCERN (LC)
• DATA DEFICIENT (DD)

What is IUCN Red List Class 12?

The IUCN red list provides relevant details about the list of biological species which are threatened and are at the risk of extinction. It provides scientific information of the species at global level so as to further make policies and take actions for the conservation of species.

How many lists are in IUCN?

nine Red List Categories
The IUCN Red List Categories indicate how close a species is to becoming extinct. The nine Red List Categories are shown below: Species are assessed against five criteria (see below) based on geographic range, population size and population decline/increase, in addition to extinction probability analyses.

What is IUCN Pink list?

The pink pages in this publication include the critically endangered species. As the status of the species changes, new pages are sent to the subscribers. Green pages are used for those species that were formerly endangered but have now recovered to a point where they are no longer threatened.

How many species are on the red list?

142,500 species
Currently, there are more than 142,500 species on The IUCN Red List, with more than 40,000 species threatened with extinction, including 41% of amphibians, 37% of sharks and rays, 34% of conifers, 33% of reef building corals, 26% of mammals and 13% of birds.

How many list are there in IUCN?

What is IUCN Pink List?

What are the different categories of wildlife?

Wildlife Categories

• Large mammals.
• Small mammals.
• Upland birds.
• Waterfowl and wetland birds.
• Birds of prey.

What are the 4 types of wildlife conservation?

In-situ and ex-situ conservation

• In-situ: Conservation of habitats, species and ecosystems where they naturally occur.
• Ex-situ: The conservation of elements of biodiversity out of the context of their natural habitats is referred to as ex-situ conservation.
• Hotspots of biodiversity.
• Threatened Species.
• Threatened Habitats.

What is IUCN green status?

The IUCN Green Status classifies species into nine Species Recovery Categories, indicating the extent to which species are depleted or recovered compared to their historical population levels.

What is blue Data book?

‘Blue Data Books’ include additional information on the ecology, conservation, and promotion of the species. For describing the overall change of abundance of every individual species six categories are defined.

What is full form of WWF?

WWF stands for World Wide Fund for Nature. It was originally known as the World Wildlife Fund, but in 1986 it was changed to highlight the full scope of its work.