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 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.
Why is it called biodiversity hotspots?
Biodiversity Is Unevenly Distributed Around the Globe. With the enormous number of species that exists on Earth, it is remarkable that the distribution of these species is so highly concentrated in specific areas. … These areas that are particularly important for biodiversity conservation are called biodiversity hotspots …
Why India is called mega biodiversity?
Biogeographically, India is situated at the tri-junction of three realms – Afro-tropical, Indo-Malayan and Paleo-Arctic realms, and therefore, has characteristic elements from each of them. This assemblage of three distinct realms makes the country rich and unique in biological diversity.
What is biodiversity India?
India displays significant biodiversity. One of seventeen megadiverse countries, it is home to 7.6% of all mammalian, 12.6% of all avian, 6.2% of all reptilian, 4.4% of all amphibian, 11.7% of all fish, and 6.0% of all flowering plant species.
How many hotspots are there in India name them?
India has four biodiversity hotspots, i.e., Eastern Himalayas, Western Himalayas, Western Ghats and Andaman and Nicobar Islands.
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.
Which is a hotspot 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%.
What are hot spots explain the spots of India?
A hotspot is an area which faces serious threat from human activities and supports a unique biodiversity (endemic, threatened, rare species) with representatives of evolutionary of speciation and extinction. The concept of biodiversity was given by Norman Myers (1988).
Which country is first in biodiversity?
Brazil is the Earth’s biodiversity champion. Between the Amazon rainforest and Mata Atlantica forest, the woody savanna-like cerrado, the massive inland swamp known as the Pantanal, and a range of other terrestrial and aquatic ecosystems, Brazil leads the world in plant and amphibian species counts.
What is the rank of India in biodiversity?
India ranks fourth in Asia and tenth in the world in plant diversity, the Birsa Agricultural University (BAU) Vice Chancellor, N N Singh, has said. “India boasts of 45,000 plants and 91,000 animal species,” Singh said delivering a special lecture on Agro-biodiversity and farmers’ rights at BAU Saturday.
What is the rank of India in terms of biodiversity?
India is in 8th position in the world in terms of biodiversity. Explanation: India is known to have a rich biodiversity in terms of ecosystems, species, and genetic. India contains around 7%-8% of the entire world’s biodiversity on its 2.5% of the total earth’s land area.
Which state in India comes under biodiversity hotspot?
#1 The Himalayas
Geographically, the entire Himalayan range comes under the category of a biodiversity Hotspot. It covers some parts of Pakistan, China, Myanmar, whole Nepal and Bhutan and North Indian state/UT of Jammu & Kashmir, Himachal Pradesh, Uttarakhand, Arunachal Pradesh, Meghalaya.
How many hotspots are there in India 2021?
Biodiversity Hotspots in India are four in number. Across the world, 36 areas qualify as Biodiversity hotspots.
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.