How does biodiversity vary in India? How is the Biological Diversity Act (2002) helpful in the conservation of flora and fauna?
Subtopic: Biodiversity & Protected Areas · Legal framework for conservation
How to structure your answer
Introduction: State that India is a megadiverse country and signal the two parts — spatial variation, then the role of the 2002 Act.
Body: Part one maps how biodiversity varies across zones and hotspots; part two lays out the Act's three-tier structure and conservation tools.
Conclusion: Tie statutory mechanism to outcomes and a forward look on community stewardship.
Written within the word limit
219 words · target 250 words · 11 min
Introduction: India is one of the world's seventeen megadiverse nations, holding nearly 8% of recorded species on about 2.4% of global land. Its biodiversity varies sharply across space, and the Biological Diversity Act, 2002 supplies the legal scaffolding to conserve this living wealth.
Body — How biodiversity varies: The country spans ten biogeographic zones, from the trans-Himalayan cold desert and arid Thar to the Western Ghats rainforest, Deccan plateau, Gangetic plains, long coasts and oceanic islands. Four global biodiversity hotspots touch India — the Himalaya, Western Ghats, Indo-Burma and Sundaland (Nicobar). Endemism and species richness peak in the high-rainfall Western Ghats and Eastern Himalaya, whereas cold and arid zones host specialised, sparser life adapted to extremes.
How the 2002 Act helps:
- Three-tier governance: a National Biodiversity Authority at Chennai, State Biodiversity Boards and local Biodiversity Management Committees (BMCs) in every local body.
- Documentation: BMCs maintain People's Biodiversity Registers recording local flora, fauna and traditional knowledge for protection.
- Access and benefit-sharing: the Act regulates commercial use of biological resources and channels a fair share of gains to communities; it also empowers States to notify ecologically fragile Biodiversity Heritage Sites under Section 37.
Conclusion: By pairing access regulation with grassroots committees and documentation, the Act roots conservation in local stewardship, and the updated national strategy and action plan now aim to deepen this protection of flora and fauna.
What an examiner expects to see
- India is one of 17 megadiverse countries, with ~8% of global species
- India has 10 biogeographic zones (Rodgers and Panwar classification)
- Four biodiversity hotspots: Himalaya, Western Ghats, Indo-Burma, Sundaland (Nicobar)
- Endemism highest in Western Ghats and Eastern Himalaya
- Biological Diversity Act, 2002 enacted under the UN Convention on Biological Diversity
- Three-tier structure: NBA (Chennai), State Biodiversity Boards, Biodiversity Management Committees
- BMCs prepare People's Biodiversity Registers documenting local species and knowledge
- Act regulates access and benefit-sharing for biological resources
- Section 37 lets State governments notify Biodiversity Heritage Sites
- National Biodiversity Strategy and Action Plan guides implementation of CBD targets
Concrete cases, schemes and judgments
- Western Ghats rainforest with very high plant endemism
- Eastern Himalaya hotspot, rich in flora and fauna
- Nallur Tamarind Grove, Karnataka — a notified Biodiversity Heritage Site
- People's Biodiversity Registers prepared by village-level BMCs
- Convention on Biological Diversity (Rio, 1992) under which the Act was framed