Environment & Ecology : Basics Of Biodiversity

Q 10 / 11

UPSC CSE Prelims 2009

Consider the following regions:

  1. Eastern Himalayas
  2. Eastern Mediterranean region
  3. North-Western Australia

Which of the above is/are Biodiversity Hotspot(s)?

EXPLANATION

Correct Option

The Eastern Himalayas is recognized as a biodiversity hotspot, forming part of the larger Indo-Burma Hotspot. This region is characterized by exceptionally high species richness and endemism, making it a critical area for conservation.

The Eastern Mediterranean region is also classified as a biodiversity hotspot. It is notable for its high concentration of endemic plant species and has experienced significant habitat degradation, fulfilling the criteria for a hotspot designation.

Incorrect Options

North-Western Australia is not identified as a biodiversity hotspot. The recognized hotspot in Australia is Southwest Australia, which is distinct due to its unique flora and Mediterranean-type ecosystem.

Option (a) is incorrect as it omits the Eastern Mediterranean region, which is a recognized biodiversity hotspot.

Option (c) is incorrect as it excludes the Eastern Himalayas, a significant biodiversity hotspot.

Option (d) is incorrect because it includes North-Western Australia, which is not a designated biodiversity hotspot.

SOURCEEnvironment by Shankar IAS, Chapter: Basics of Biodiversity