Q. Which of the following is/are criteria for declaring biodiversity hotspot?
1.Species endemism
2.Degree of threat
3.Species diversity
Select the correct answer from below given codes:
Answer: B
Notes:
Explanation: Biodiversity hot spot concept was put forth by Norman Myers in 1988.
To qualify as a hot spot, a region must meet two strict criteria:
- Species endemism – it must contain at least 1,500 species of vascular plants (> 0.5% of the world’s total) as endemics, and
- Degree of threat – it must have lost at least 70% of its original habitat.
Source: FORUMIAS
