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Current Affairs
SYLLABUS
GS-3: Conservation, Environmental Pollution and Degradation, Environmental Impact Assessment.
Context: The International Day for Biosphere Reserves is observed annually on 3 November to promote biodiversity conservation and sustainable development.
About the International Day for Biosphere Reserves
• The day was proclaimed by UNESCO during its 41st General Conference in 2021.
• It highlights the role of biosphere reserves in conserving biodiversity, promoting scientific research and supporting sustainable livelihoods.
• UNESCO's World Network of Biosphere Reserves (WNBR) comprises 797 reserves across 145 countries, covering over 5% of Earth's terrestrial surface.
• Around 90% of these reserves overlap with Key Biodiversity Areas (KBAs).
• The Mata Atlântica Biosphere Reserve in Brazil is the world's largest biosphere reserve.
About Biosphere Reserves
• Biosphere reserves are representative terrestrial, marine or coastal ecosystems designated by national governments for biodiversity conservation and sustainable development.
• They are internationally recognised under UNESCO's Man and the Biosphere (MAB) Programme.
• They function as living laboratories for demonstrating sustainable development and balancing human activities with nature conservation.
• Their designation does not change the legal status or ownership of land, forests and natural resources.
• Three Main Functions:
1. Conservation: Protect biodiversity, genetic resources, ecosystems, landscapes and cultural diversity.
2. Sustainable Development: Promote economic activities that respect ecological limits and local cultural values.
3. Scientific Support: Promote research, environmental monitoring, education, training and knowledge exchange.
• Difference from Other Protected Areas: National Parks and Wildlife Sanctuaries primarily protect wildlife and habitats, whereas biosphere reserves integrate biodiversity conservation with sustainable development and community participation.
India's Biosphere Reserves
• India has 18 nationally notified Biosphere Reserves, of which 13 are included in UNESCO's WNBR.
• India has the highest number of UNESCO-recognised biosphere reserves in South Asia.
• India accounts for approximately 7–8% of recorded global species while occupying only 2.4% of Earth's land area.
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