The Red Data book which lists endangered species is maintained -
IUCN
Understanding the Red Data Book and Endangered Species
The question asks which organization is responsible for maintaining the Red Data Book, a key resource that lists species facing the risk of extinction, often referred to as endangered species.
What is the Red Data Book?
The Red Data Book is a comprehensive inventory of the global conservation status of biological species. It uses a set of criteria to evaluate the extinction risk of thousands of species and subspecies.
- It is a crucial tool for conservation planning and policy-making.
- It helps in identifying species that need urgent conservation efforts.
- The book categorizes species into different threat levels, including 'Critically Endangered', 'Endangered', and 'Vulnerable'.
Which Organization Maintains the Red Data Book?
The authority that compiles and publishes the Red Data Book is the International Union for Conservation of Nature.
- This organization is widely recognized for its work in wildlife conservation and biodiversity assessment.
- The official name of the publication is the IUCN Red List of Threatened Species.
Analyzing the Options
Let's look at the given options:
- UNO: This refers to the United Nations Organization. While the UN system includes environmental programs, the Red Data Book is not directly maintained by the main UNO body.
- IUCN: This stands for the International Union for Conservation of Nature. This organization is specifically dedicated to conservation and is globally responsible for assessing the status of species.
- WHO: This stands for the World Health Organization. WHO is concerned with international public health. It is not involved in maintaining the Red Data Book.
- WWF: This stands for the World Wide Fund for Nature (or World Wildlife Fund). WWF is a prominent conservation organization, but it is not the body that maintains the official global Red Data Book; it uses the data compiled by the IUCN.
Based on the roles of these organizations, the International Union for Conservation of Nature (IUCN) is the one responsible for maintaining the Red Data Book (IUCN Red List of Threatened Species).
Conclusion
The Red Data Book, which lists endangered species, is maintained by the International Union for Conservation of Nature (IUCN).
Revision Table: Key Environmental Organizations
| Organization | Full Form | Primary Focus Relevant to Question |
|---|---|---|
| UNO | United Nations Organization | Global cooperation (Includes environmental programs, but not direct custodian of Red Data Book) |
| IUCN | International Union for Conservation of Nature | Conservation of nature, biodiversity assessment (Maintains Red Data Book/Red List) |
| WHO | World Health Organization | International public health |
| WWF | World Wide Fund for Nature | Wildlife conservation (Uses Red List data, but doesn't maintain it) |
Additional Information: IUCN Red List Categories
The IUCN Red List assigns species to different categories based on their risk of extinction. Understanding these categories helps in prioritizing conservation actions. Some key categories include:
- Extinct (EX): No known individuals remaining.
- 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): Very high risk of extinction in the wild.
- Vulnerable (VU): High risk of extinction in the wild.
- Near Threatened (NT): Likely to become endangered in the near future.
- Least Concern (LC): Widest category; populations are abundant and widespread.
- Data Deficient (DD): Not enough data to make an assessment of its risk of extinction.
- Not Evaluated (NE): Has not yet been evaluated against the criteria.
The Red Data Book primarily focuses on species listed as Critically Endangered, Endangered, and Vulnerable, highlighting those considered threatened or endangered species.
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