What are the 7 categories of the IUCN Red List?
Data Deficient (DD)
What are the 3 classification of IUCN?
In descending order of threat, the IUCN Red List threat categories are as follows: Extinct or Extinct in the Wild. Critically Endangered, Endangered and Vulnerable: species threatened with global extinction.
What are the 4 most critical categories of the IUCN Red List of Threatened Species?
Extinct in the wild (EW) – Known only to survive in captivity, or as a naturalized population outside its historic range. Critically endangered (CR) – Extremely high risk of extinction in the wild. Endangered (EN) – High risk of extinction in the wild. Vulnerable (VU) – High risk of endangerment in the wild.
Is the Tibetan antelope endangered?
The World Conservation Union (IUCN) lists the Tibetan antelope as endangered due to the sharp decrease in animal numbers and distribution as a result of commercial hunting for the shahtoosh underfur (IUCN 2003).
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.
What are the 7 levels of classifications for endangered species?
The Red List has seven levels of conservation: least concern, near threatened, vulnerable, endangered, critically endangered, extinct in the wild, and extinct. Each category represents a different threat level.
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.
Which Tibetan antelope is known as shahtoosh?
Tibetan antelopes’ underfur (down hair), being extremely soft, fine and warm, is known as shahtoosh and has traditionally been woven by craftsmen and women in Kashmir into shawls in high demand in India as girls’ dowry and in Europe as a symbol of wealth and status.
Which endangered animal is known as the Tibetan antelope?
Chiru
Pantholops hodgsonii (also known as the Tibetan antelope and Chiru (Department of Interior 2000) is endemic to the Tibetan Plateau. It is found between Ngoring Hu in China and the Ladakh region in India (Tibetan Plateau Project 2001a).
How many list are there in IUCN?
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.
How many IUCN are there in India?
A total of 199 Species are under critically endangered species in India , IUCN RED List 2021….IUCN RED LIST 2021 India.
| Common Nmae | Leith’s Softshell Turtle |
|---|---|
| Scientific Name | Nilssonia leithii |
| Species type | ANIMALIA |
| IUCN Status 2021 | Critically Endangered |
What are the five levels of at risk species?
Its categories for species include: presumed extinct (GX), possibly extinct (GH), critically imperiled (G1), imperiled (G2), vulnerable (G3), apparently secure (G4), and secure (G5).
What are the sexes of Pantholops hodgsonii?
Sexes of Pantholops hodgsonii are distinguished by the larger mass of males and male-only slender black horns of “wavy triple curvature, with circular rings towards their base, which project more before than behind” ( Abel 1826:233) and are often lyre-shaped ( Roosevelt and Roosevelt 1926) with “rapier-like tips” ( Schaller 1998:43 ).
Is Pantholops hodgsonii a protected species in China?
Pantholops hodgsonii is a Class I protected species in China, and hunting has been prohibited since the early 1990s ( Schaller 1998 ).
What is the diploid number of chromosomes in Pantholops hodgsonii?
One P. hodgsonii lived among a Tibetan herdsman’s sheep and goats for 17 months ( Su et al. 2003 ). All chromosomes of Pantholops hodgsonii are acrocentric with a diploid number (2n) = 60 ( Zhao et al. 2006 ).
What is the age of sexual maturity of Pantholops hodgsonii?
Age at sexual maturity of Pantholops hodgsonii is not clearly understood but, as in other ungulates of comparable size, it probably occurs at 1.5–2.5 years of age with gestation of about 6–6.5 months ( Grzimek 1990; Schaller 1998 ). Two mammae are present ( Hodgson 1834; Schaller 1998 ).
