BIOSPHERE RESERVE

PRERNA FOR IAS

BIOSPHERE RESERVE

1. Biosphere Reserve

A Biosphere Reserve is a large protected area established to conserve biodiversity, ecosystems, and genetic resources while promoting sustainable development. Recognized under UNESCO’s Man and Biosphere Programme, it balances environmental conservation with human welfare. These reserves protect wildlife, support research, encourage education, and allow sustainable use of natural resources.

2. Three Zones of a Biosphere Reserve

A Biosphere Reserve is divided into three zones. The Core Zone is strictly protected for conservation. The Buffer Zone surrounds the core and allows research, education, and limited activities. The Transition Zone permits sustainable human activities such as farming, settlements, and eco-friendly economic development while maintaining ecological balance.

3. Objectives of Biosphere Reserves

The main objectives of Biosphere Reserves are biodiversity conservation, protection of endangered species, promotion of ecological research, environmental monitoring, and sustainable development. They also create awareness among local communities about environmental protection. These reserves ensure that conservation efforts and economic development work together for long-term ecological sustainability.

4. Functions of Biosphere Reserves

Biosphere Reserves perform three major functions: Conservation, Development, and Logistic Support. Conservation protects ecosystems and species. Development promotes sustainable use of resources and community welfare. Logistic support includes research, monitoring, training, and environmental education. Together, these functions help maintain ecological balance and support sustainable livelihoods.

5. Biosphere Reserves of North and North-East India

Important Biosphere Reserves in North and North-East India include Cold Desert (Himachal Pradesh), Nanda Devi (Uttarakhand), Khangchendzonga (Sikkim), Dihang-Dibang (Arunachal Pradesh), Dibru-Saikhowa and Manas (Assam), and Nokrek (Meghalaya). These reserves protect diverse ecosystems ranging from alpine habitats to tropical forests and rich wildlife.

6. Biosphere Reserves of Central, East and West India

Central India includes Panna, Pachmarhi, and Achanakmar–Amarkantak Biosphere Reserves. Similipal, Sundarbans, and Seshachalam are located in eastern India, while Kachchh is in western India. These reserves conserve forests, mangroves, grasslands, and unique species while supporting sustainable development and ecological research across different landscapes.

7. Biosphere Reserves of South India and Islands

South India contains Nilgiri, Gulf of Mannar, and Agasthyamalai Biosphere Reserves. Great Nicobar Biosphere Reserve is located in the Andaman and Nicobar Islands. These reserves protect Western Ghats biodiversity, marine ecosystems, coral reefs, tropical rainforests, and endemic species while promoting sustainable resource use and conservation efforts.

8. UNESCO Biosphere Reserves in India

India has several Biosphere Reserves included in UNESCO’s World Network of Biosphere Reserves, such as Nilgiri, Gulf of Mannar, Sundarbans, Nanda Devi, Nokrek, Pachmarhi, Similipal, Achanakmar–Amarkantak, Great Nicobar, Agasthyamalai, Khangchendzonga, Panna, and Cold Desert. They represent India’s rich ecological diversity and conservation commitment.

9. Important Associations of Biosphere Reserves

Some important associations are frequently asked in competitive exams. Nilgiri is India’s first Biosphere Reserve. Gulf of Mannar is known for marine biodiversity. Sundarbans is famous for mangrove forests. Great Nicobar represents island ecosystems, while Cold Desert protects high-altitude desert habitats in Himachal Pradesh.

10. Multi-State Biosphere Reserves

Certain Biosphere Reserves extend across multiple states. Nilgiri covers Tamil Nadu, Kerala, and Karnataka. Achanakmar–Amarkantak spans Madhya Pradesh and Chhattisgarh. Agasthyamalai lies across Kerala and Tamil Nadu. These reserves promote coordinated conservation efforts across state boundaries and protect large, ecologically significant landscapes.