Recently, biodiversity hotspots are common talk in ecological discussion. Which of the following statements regarding hotspots are correct? |
1. The concept of biodiversity hotspot was originated by Norman Myers. |
2. Biodiversity hotspots are areas with high diversity of locally endemic species. |
3. India has 3 biodiversity hotspots i.e. Himalayas, Western Ghats and Eastern Ghats regions. |
4. To be a biodiversity hotspot, a region must contain atleast 3% of plants as endemic and it has to have lost atleast 50% of its primary vegetation. |
Select the correct answer using the codes given below. |
A) 1 and 2
B) 2 and 3
C) 1 and 4
D) All of these
Correct Answer: A
Solution :
[a] A biodiversity hotspot is a bio-geographic region with a significant reservoir of biodiversity that is under threat from humans, The concept of biodiversity hotspot was originated by Norman Myers in 1990. These are the natural ecosystems with a high diversity of locally endemic species, which are not found or are rarely found outside the region. To qualify as a biodiversity hotspot, a region must contain atleast 0.5% or 1500 species of Vascular plants as endemic and it has to have lost atleast 70% of its primary vegetation. In India, three regions as Eastern Himalayas, Indo-Burma region and Western. Gnats are biodiversity hotspots.You need to login to perform this action.
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