What are “biodiversity hot spots”? What is the measure of the biodiversity?
Answers
A biodiversity hotspot is a biogeographic region that is both a significant reservoir of biodiversity and is threatened with destruction. The term biodiversity hotspot specifically refers to 25 biologically rich areas around the world that have lost at least 70 percent of their original habitat.Biodiversity is defined and measured as an attribute that has two components — richness and evenness. Richness = The number of groups of genetically or functionally related individuals. In most vegetation surveys, richness is expressed as the number of species and is usually called species richness.
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❤. The concept of " Biodiversity Hot Spot " was proposed by Norman Myers
❤. Biodiversity hots spot is a" Biogeographic region " with a significance reserviour of biodiversity that is under threat of extinction from humans
❤. They are the earths biologically richest and most threatended terrestrial Ecoregions
❤. There are about 34 biodiversity hotspots are there in the world
EX: western ghats and srilanka
indo - burma
himalayas
❤. Ecologically uniques and biodiversity rich regions are legally protected in
♥. Biospheres
♥. National parks
♥. Sancturies
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