GS3Economy · S&T · Environment · Security· Biodiversity & conservation· Prelims + Mains·
Habitat fragmentation and monoculture: a GS3 Environment and Ecology case study on biodiversity hotspots.
A review in Nature Reviews Biodiversity highlights that plantations, infrastructure, and climate change have reduced native habitats in the Western Ghats to just one-third of their original extent.
The study identifies specific land use by plantations: coffee occupies 3,000 sq km, tea 1,134 sq km, and rubber 5,000 sq km. Additionally, cashew cultivation has expanded by 53,500 ha in the region.
What is the extent of rubber plantation area in the Western Ghats as identified in the study?
Answer: (d) 5,000 sq km — The study identifies rubber plantation area as 5,000 sq km in the Western Ghats region.
Q. Discuss the ecological consequences of large-scale plantation expansion on biodiversity hotspots like the Western Ghats and suggest measures for sustainable land-use management.
Dimensions to cover in your answer
Keywords: Biodiversity Hotspots · Habitat Fragmentation · Monoculture · Ecological Integrity · Sustainable Land-Use
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