Presently, there are 36 areas across the globe that qualify as hotspots. They represent 2.4% of the Earth’s land surface but support more than half of the world’s plant species as endemics — and nearly 43% of bird, mammal, reptile and amphibian species as endemics.
The 36 ecological hotspots are home to 2 billion people and provide crucial ecosystems services for human life and livelihood.
For any area to qualify as a biodiversity hotspot, the following two criteria’s must be met:
- The area must contain at least 1,500 species of endemic vascular plants.
- The area must have lost at least 70 per cent of its primary native vegetation.
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Biodiversity Hotspots Across the World
The eight hottest hot spots in terms of the above factors are:
- Madagascar
- Philippines
- Sundaland [South East Asia]
- Brazil’s Atlantic Forest
- Caribbean
- Indo-Burma
- The Western Ghats and Sri Lanka
- Eastern Arc and Coastal Forests of Tanzania/Kenya
There are 4 biodiversity hot spots present in India. They are:
- The Eastern Himalayas [Arunachal Pradesh, Bhutan, Eastern Nepal]
- Indo-Burma and [Purvanchal Hills, Arakan Yoma, Eastern Bangladesh]
- The Western Ghats and Sri Lanka
- Sundalands: Includes Nicobar group of Islands (and Indonesia, Malaysia, Singapore, Brunei, Philippines).
Below is PDF for the same:
Biodiversity Hotspot in India and World(English PDF)
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