Your question: What do you mean by hot spots of biodiversity?

A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is threatened by human habitation. … Biodiversity hotspots host their diverse ecosystems on just 2.4% of the planet’s surface, however, the area defined as hotspots covers a much larger proportion of the land.

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.

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.

Which one is a hot spot of biodiversity?

They are western ghats and Sri Lanka, Indo-Burma, and Eastern Himalayas. Note that even the biodiversity hotspots cover less than two percent of the world’s total land area, by protecting these regions we can decrease the rate of species extinctions by 30%.

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What do you understand by hotspots?

What do you understand by ‘hotspots’? Answer: … Areas rich in species diversity are called hotspots of diversity. Hotspots are defined according to their vegetation. Plants are important because these determine the primary productivity of an ecosystem.

What are the hot spots explain the spots of India?

India hosts 4 biodiversity hotspots: the Himalayas, the Western Ghats, the Indo-Burma region and the Sundaland (Includes Nicobar group of Islands). These hotspots have numerous endemic species.

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 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 biodiversity hot spots give one example?

A biodiversity hotspot is a biogeographic region with significant levels of biodiversity that is threatened with destruction. For example forests are considered as biodiversity hotspots.

Who defined the term biodiversity hot spots?

The term ‘biodiversity hotspot’ was coined by Norman Myers (1988). He recognized 10 tropical forests as “hotspots” on the basis of extraordinary level of plant endemism and high level of habitat loss, without any quantitative criteria for the designation of “hotspot” status.

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What are the biodiversity hotspots in India?

It hosts four biodiversity hotspots: the Himalayas, the Western Ghats, the Indo-Burma region and Sundaland (including the Nicobar Islands). These hotspots have numerous endemic species. Nearly 5% of India’s total area is formally classified under protected areas.

How many hotspots are there in India?

India has four biodiversity hotspots, i.e., Eastern Himalayas, Western Himalayas, Western Ghats and Andaman and Nicobar Islands.

What is biodiversity hotspot Why is India?

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.