Analyze the global classification and drivers of biodiversity hotspots: Assertion (A): The Western Ghats mountain chain is recognized globally as one of the world's premier biodiversity hotspots, characterized by exceptionally high endemism and severe habitat loss. Reason (R): The region's rugged relief, steep microclimatic gradients, and long-term isolation as a drifting Gondwanan fragment have fostered intense speciation and localized evolutionary radiation. Which of-the following is correct?

💡 Solution & Explanation

Both the assertion and reason are correct and logically connected. Myers' biodiversity hotspot criteria require high endemism and threatened status, both of which apply to the Western Ghats. The region's geological history as a Gondwanan fragment combined with complex topographically induced microclimates created isolated ecological islands that promoted rapid speciation. Anthropogenic pressures from land conversion have simultaneously driven significant habitat loss, qualifying the region for global hotspot status.