5 public questions tagged with this topic.
The IUCN Red List categorizes species according to their risk of extinction and serves as an important conservation tool.
Ref: NCERT Class 12 Biology Chapter 13: Biodiversity and Conservation Loss of Biodiversity - Alien Invasion Co-extinction Mass Extinction - Evil Quartet
Threatened spectrum under IUCN comprises Vulnerable, Endangered, and Critically Endangered, representing increasing risk. Critically Endangered CR denotes species facing extremely high extinction risk imminently, defined by thresholds such as population reduction exceeding 90% over ten years, extent of occurrence below 100 km² with fragmentation, population below 250 mature individuals declining, or quantitative analysis showing 50% extinction probability in ten years. CR listing triggers urgent recovery planning, legal protection under Schedule I, and priority funding. This example illustrates how ecological adaptations correlate with biogeographic zonation and conservation prioritization in Indian context.
Ref: IUCN Red List Category CR Thresholds; Wildlife Protection Act 1972 Schedule I Correspondence
Original name at foundation was International Union for Protection of Nature abbreviated IUPN, reflecting early emphasis on protecting wildlife from extinction. By 1956, scope expanded beyond protection to include sustainable use and habitat management, prompting formal change to International Union for Conservation of Nature and Natural Resources, retaining IUCN abbreviation. Briefly from 1990 to 2008, publicity name World Conservation Union was used to improve public recognition, but legal name reverted to IUCN for historical continuity and brand identity. Mastery of this rule helps candidates differentiate closely related categories and avoid common errors in diversity questions.
Ref: IUCN Name Evolution Archive 1948 IUPN to IUCN 1956; Wikipedia IUCN Formerly World Conservation Union
Central secretariat of IUCN is headquartered at Rue Mauverney 28 in Gland, Canton Vaud, Switzerland, near Lake Geneva and Geneva international organizations hub. Gland location in neutral Switzerland facilitates diplomatic engagement among 84 member states, 200 government agencies, and over 1400 NGOs. Offices coordinate Red List assessment process, Commission on Ecosystem Management, environmental law programme, and field projects across 160 countries. Proximity to other UN environmental bodies enhances collaboration for biodiversity policy implementation. Examinations emphasize this concept because it underpins correct interpretation of phylogenetic relationships and evolutionary systematics.
Ref: IUCN Website Contact Headquarters Gland Switzerland; Britannica IUCN Headquarters Location
International Union for Conservation of Nature was constituted on 5 October 1948 at Fontainebleau near Paris following an international congress sponsored by UNESCO and French government with Julian Huxley as driving force. Initially named International Union for Protection of Nature IUPN, it represented first global alliance of governments, NGOs, and scientists dedicated to nature protection. Establishment responded to post-war recognition of habitat destruction and need for data-driven conservation. Today IUCN hosts World Conservation Congress every four years. This pattern is frequently tested in NCERT-based competitive examinations requiring precise recall of taxonomic hierarchy principles.
Ref: IUCN Official History Fontainebleau 1948; National Archives UK Administrative Background IUCN Founded
