Table of Contents
- 1 Why are Western Ghats considered as biodiversity hotspot Class 12?
- 2 What makes a biodiversity hotspot a hotspot?
- 3 What are the 3 factors that determine a biodiversity hotspot?
- 4 Is Eastern Ghat a biodiversity hotspot?
- 5 What is the concept and criteria of biodiversity hotspot?
- 6 In which state is Western Ghat biodiversity hotspot situated?
- 7 Why Western Ghats are called ghats?
- 8 Who identifies biodiversity hotspots?
- 9 Why are the Western Ghats the world’s hottest biodiversity hotspot?
- 10 What is the significance of the Western Ghats?
- 11 What is the biodiversity hotspot of South Africa known for?
Why are Western Ghats considered as biodiversity hotspot Class 12?
It has high level of species richness. It has high degree of endemism.
What makes a biodiversity hotspot a hotspot?
Yet biodiversity hotspots are, by definition, in a conservation crisis. To be classified as a biodiversity hotspot, a region must have lost at least 70 percent of its original natural vegetation, usually due to human activity. About one-sixth of all plant species in the world live in this region.
Why Western Ghats are significant and considered as one of the eight hot spots of biological diversity in the world?
The Western Ghats are known for their high biodiversity and endemism as it is identified as one of the world’s eight hot hotspots of biological diversity. A total of around 178 species of amphibians, 157 species of reptiles, 220 species of fishes and approximately 650 flora species are found in the Western Ghats.
What are the 3 factors that determine a biodiversity hotspot?
Three factors that usually determine hotspots:
- The number of total species (species richness).
- The number of unique species (endemism).
- The number of species at risk (threat of extinction).
Is Eastern Ghat a biodiversity hotspot?
Biodiversity hotspots are located only in tropical regions. 2. India has four biodiversity hotspots i.e., Eastern Himalayas, Western Himalayas, Western Ghats and Andaman and Nicobar Islands. In India, Eastern Ghats and Western Himalaya are the biodiversity hot spots.
Why Western Ghats have greater number of amphibians?
Species diversity is the variety in the number and richness of the species of a region. Western ghats have greater amphibian species diversity as compared to Eastern ghats. Number of individuals of different species represent species evenness or species equitability.
What is the concept and criteria of biodiversity hotspot?
To qualify as a hotspot, a region must meet two criteria: it must contain at least 1,500 species of vascular plants (> 0.5\% of the world’s total) as endemics; it has to have lost ≥ 70\% of its original native habitat.
In which state is Western Ghat biodiversity hotspot situated?
The Western Ghats block southwest monsoon winds from reaching the Deccan Plateau. The average elevation is around 1,200 m (3,900 ft). The area is one of the world’s ten “hottest biodiversity hotspots.”…
| Western Ghats | |
|---|---|
| States | Gujarat, Karnataka, Goa, Maharashtra, Kerala and Tamil Nadu |
| Region | South-Western India |
Is Western Ghats biodiversity hotspot?
Malabar giant squirrels in the forests of the Western Ghats biodiversity hotspot. As one of the world’s “hottest biodiversity hotspots” and a UNESCO World Heritage Site, the Western Ghats is on the conservation watch-list for being a rich but highly vulnerable region in urgent need of biodiversity conservation efforts.
Why Western Ghats are called ghats?
Ghats, two mountain ranges forming the eastern and western edges, respectively, of the Deccan plateau of peninsular India. In Hindi ghat means “river landing stairs” or “mountain pass” and has been extended in its Anglicized plural form (formerly ghauts) to include the mountains themselves.
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.
Is Western Ghats a biodiversity hotspot?
The Western Ghats are one of the world’s biodiversity hotspots with over 5,000 flowering plants, 139 mammals, 508 birds and 179 amphibian species. At least 325 globally threatened species occur here. The Western Ghats are being considered as a UNESCO World Heritage Site.
Why are the Western Ghats the world’s hottest biodiversity hotspot?
Malabar giant squirrels in the forests of the Western Ghats biodiversity hotspot. As one of the world’s “hottest biodiversity hotspots” and a UNESCO World Heritage Site, the Western Ghats is on the conservation watch-list for being a rich but highly vulnerable region in urgent need of biodiversity conservation efforts.
What is the significance of the Western Ghats?
The Western Ghats is a mountain range, running parallel to the western coast of the Indian peninsula and is one of the eight “hottest hotspots” of biological diversity in the world. Recognised as the UNESCO World Heritage Site, it is also known as Sahyadri (Benevolent Mountains).
How many biodiversity hotspots are there in India?
Following the criteria must for an area to be declared as Biodiversity Hotspot, there are major four biodiversity hotspots in India: 1 The Himalayas 2 Indo-Burma Region 3 The Western Ghats 4 Sundaland More
What is the biodiversity hotspot of South Africa known for?
This hotspot is also known for the endemic freshwater turtle species, most of which are threatened with extinction, due to over-harvesting and extensive habitat loss. There are also 1,300 different bird species, including the threatened White-eared Night-heron, the Grey-crowned Crocias, and the Orange-necked Partridge.