Biogeographical classification of india pdf


Illustration of a Himalayan quail from A. India has some of the world’s most biodiverse biogeographical classification of india pdf. The political boundaries of India encompass a wide range of ecozones—desert, high mountains, highlands, tropical and temperate forests, swamplands, plains, grasslands, areas surrounding rivers, as well as island archipelago. It hosts 4 biodiversity hotspots: the Western Ghats, the Himalayas, the Indo-Burma region and the Sundaland.

These hotspots have numerous endemic species. 2000 to 2500m are considered to be the altitudinal boundary between the Indo-Malayan and Palearctic zones. One of eighteen megadiverse countries, it is home to 7. The region is also heavily influenced by summer monsoons that cause major seasonal changes in vegetation and habitat.

India forms a large part of the Indomalayan biogeographical zone and many of the floral and faunal forms show Malayan affinities with only a few taxa being unique to the Indian region. The unique forms includes the snake family Uropeltidae found only in the Western Ghats and Sri Lanka. Fossil taxa from the Cretaceous show links to the Seychelles and Madagascar chain of islands.