Question

How many total hotspots have been identified by Norman Myers in 1988 in the world?
(A)100
(B)50
(C)25
(D)15

Answer 1

Hint: The total hotspots which have been identified by Norman Myers in 1988 in the world are the square of the five. A biodiversity hotspot is a biogeographic region with considerable levels of biodiversity situated there.

Complete answer:
A total of 25 hotspots have been identified by Norman Myers in 1988 in the world. Biodiversity hotspot- It is known as the biogeographic region with some noticeable levels of biodiversity that have to be protected by human habitation.
Norman Myers wrote about the concept in the articles “The Environmentalist” (1988), and 1990 revised it.

Additional Information: The concept of biodiversity hotspots was developed by Norman Myers in 1988 when he identified that the tropical forest losing its plant species was also a habitat. IUCN prepares ‘Red Data Book’
A region must fulfill the two criteria to qualify as a biodiversity hotspot which is given below:
-. It must have a minimum of 1,500 vascular plants as endemics which are to mention, it must have a high percentage of flowers found nowhere else on the earth. A hotspot, in other words, is irreplaceable.
-. It must have 30% or less than of its original natural vegetation, or in simple words, it must be threatened. Biodiversity hotspots accommodate their diverse ecosystems on just 2.4% of the surface of the planet,. the first 25 hotspots covered 11.8% of the land area of the world. Overall, the present hotspots cover quite 15.7% of the land area but have lost around 85% of their habitat. This loss of habitat explains why approximately 60% of the world's terrestrial life lives on only 2.4% of the land area.
So, the correct answer is ‘25’.

Note: The hotspots regions support rich biodiversity because of geologic formations and endemic flora and fauna. Some examples of biodiversity hotspots are Horn of Africa, Himalayan hotspot, The Eastern Himalayas and the list is so long.