What is biodiversity hotspot 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.

What is meant by biodiversity hotspot?

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.

What is biodiversity hotspot in India?

Officially, four out of the 36 Biodiversity Hotspots in the world are present in India: the Himalayas, the Western Ghats, the Indo-Burma region and the Sundaland. To these may be added the Sundarbans and the Terrai-Duar Savannah grasslands for their unique foliage and animal species.

What is the hotspot?

You can use your phone’s mobile data to connect another phone, tablet, or computer to the internet. Sharing a connection this way is called tethering or using a hotspot. Most Android phones can share mobile data by Wi-Fi, Bluetooth, or USB. …

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.

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What is biodiversity hotspot Upsc?

Biodiversity hotspots are regions with high species richness and a high degree of endemism. The British biologist Norman Myers coined the term “biodiversity hotspot” in 1988 as a biogeographic region characterized both by exceptional levels of plant endemism and by serious levels of habitat loss.

Where are the 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.

Who identifies biodiversity hotspots?

The concept of biodiversity hotspots was developed by the Norman Myers in 1988 when he identified that the tropical forest losing its plants species as well as habitat. IUCN prepares ‘Red Data Book’. There are 34 areas around the world which are qualified as Biodiversity hotspots.

What is a hotspot give an example?

In geology, hotspots (or hot spots) are volcanic locales thought to be fed by underlying mantle that is anomalously hot compared with the surrounding mantle. Examples include the Hawaii, Iceland, and Yellowstone hotspots.

What is a hotspot fire?

Hotspot: A particular active part of a fire. Hotspotting: Reducing or stopping the spread of fire at points of particularly rapid rate of spread or special threat, generally the first step in prompt control, with emphasis on first priorities.

What is the hotspot hypothesis?

Hotspot volcanic chains

The joint mantle plume/hotspot hypothesis envisages the feeder structures to be fixed relative to one another, with the continents and seafloor drifting overhead. The hypothesis thus predicts that time-progressive chains of volcanoes are developed on the surface.

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What biodiversity means?

The term biodiversity (from “biological diversity”) refers to the variety of life on Earth at all its levels, from genes to ecosystems, and can encompass the evolutionary, ecological, and cultural processes that sustain life.