A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is threatened by human habitation. … Some of these hotspots support up to 15,000 endemic plant species and some have lost up to 95% of their natural habitat.
Why is biodiversity a hotspot?
To qualify as a biodiversity hotspot, a region must meet two strict criteria: It must have at least 1,500 vascular plants as endemics — which is to say, it must have a high percentage of plant life found nowhere else on the planet. A hotspot, in other words, is irreplaceable. … In other words, it must be threatened.
What is a hotspot in ecosystem?
Ecological hotspots are areas with outstanding biodiversity or a high concentration of biological values. These values can refer to threatened or endemic species, unique ecosystems, or globally important numbers of a particular species.
Where are biodiversity hotspots?
Seven biodiversity hotspots you should know
- The Caribbean Islands. …
- The Atlantic Forest in Brazil. …
- Southeast Asia. …
- The Philippines. …
- The Horn of Africa. …
- Madagascar. …
- The California Coast.
What are hotspots of biodiversity class 12?
Class 12 Biology: A biodiversity hotspot is a biogeographic region that has a significant pool of biodiversity but at the same time it is also threatened with destruction. The British biologist Norman Myers gave the term “biodiversity hotspot” in 1988.
What are hotspots explain the spots of India?
Biodiversity Hotspots in India – Himalayas, Indo-Burma, Western Ghats & Sundaland. … Coined by Norman Myers, the term “Biodiversity hotspots” can be defined as the regions which are known for their high species richness and endemism.
What are the hotspots of biodiversity in India?
India has four biodiversity hotspots, i.e., Eastern Himalayas, Western Himalayas, Western Ghats and Andaman and Nicobar Islands.
What is biodiversity hotspot Class 10?
The Biodiversity Hotspot is a biogeographical area that is both a major source of biodiversity and is threatened with destruction. In general, the word biodiversity hotspot relates to 25 high biodiversity areas of the planet that have lost at least 70% of their original habitat.
What is biodiversity hotspot Why is India considered?
An area is known as a hotspot if it contains at least 0.5 per cent of endemic plant species. India is considered a mega-diversity hotspot due to the great diversity of organisms found here, ranging from eastern to western ghats to northern and southern India as well. Mainly Western ghats are now at high risk.
What are examples of hotspots?
Examples include the Hawaii, Iceland and Yellowstone hotspots. A hotspot’s position on the Earth’s surface is independent of tectonic plate boundaries, and so hotspots may create a chain of volcanoes as the plates move above them.
What is hotspot short answer?
Hotspot: A hotspot is a physical location where people can access the Internet, typically using Wi-Fi, via a wireless local area network (WLAN) with a router connected to an Internet service provider. … While many public hotspots offer free wireless access on an open network, others require payment.