Table of Contents
ToggleBiosphere Reserves are large, protected areas aimed at conserving biodiversity, promoting sustainable development, and supporting scientific research. They represent an ecosystem with plants, animals, and human communities living in balance with nature.It is a place where local people, government officials and environmental groups work collaboratively on conservation and developmental issues.
According to UNESCO, a Biosphere Reserve is a “learning place for sustainable development,” where conservation of biodiversity, economic development, and cultural values go hand in hand.The idea of designation of Biosphere Reserves was initiated by UNESCO in 1973-74 under its Man and the Biosphere (MAB) Programme. The MAB launched in 1971 by UNESCO proposes an interdisciplinary research agenda and capacity building, aiming to improve the relationship of people with their environment globally.The Biosphere Reserves thus are meant to represent characteristic ecosystems in different biogeographic regions and consider human communities as their integral component.
The primary goals of designating Biosphere Reserves are:
Bio-geographical Unit
The core zone should represent a distinct bio-geographical region and must be large enough to support viable populations of species at all trophic levels (producers, herbivores, carnivores, decomposers).
There are 18 biosphere reserves (13 recognized by UNESCO’s MAB) in India:
S.No. | Year | Name | State | Area (km2) |
| 1 | 1986 | Nilgiri Biosphere Reserve | TN (2537), Kerala (1455), Karnataka (1527) | 5520 |
| 2 | 1988 | Nanda Devi Biosphere Reserve | Uttarakhand | 5860 |
| 4 | 1988 | Nokrek Biosphere Reserve | Meghalaya | 820 |
| 3 | 1989 | Gulf of Mannar Biosphere Reserve | Tamil Nadu | 10500 |
| 5 | 1989 | Sundarbans Biosphere Reserve | West Bengal | 9630 |
| 6 | 1989 | Manas Biosphere Reserve | Assam | 2837 |
| 7 | 1989 | Great Nicobar Biosphere Reserve | Andaman and Nicobar Islands | 885 |
| 8 | 1994 | Simlipal Biosphere Reserve | Odisha | 4374 |
| 9 | 1997 | Dibru-Saikhowa Biosphere Reserve | Assam | 765 |
| 10 | 1998 | Dihang-Dibang Biosphere Reserve | Arunachal Pradesh | 5112 |
| 11 | 1999 | Pachmarhi Biosphere Reserve | Madhya Pradesh | 4982 |
| 12 | 2000 | Khangchendzonga Biosphere Reserve | Sikkim | 2620 |
| 13 | 2001 | Agasthyamalai Biosphere Reserve | Kerala, Tamil Nadu | 3500 |
| 14 | 2005 | Achanakmar-Amarkantak BR | Madhya Pradesh, Chhattisgarh | 3835 |
| 15 | 2008 | Great Rann of Kutch BR | Gujarat | 12454 |
| 16 | 2009 | Cold Desert Biosphere Reserve | Himachal Pradesh | 7770 |
| 17 | 2010 | Seshachalam Hills Biosphere Reserve | Andhra Pradesh | 4755 |
| 18 | 2011 | Madhya Pradesh | 543 |
Thirteenth of the eighteen biosphere reserves are a part of the World Network of Biosphere Reserves, based on the UNESCO Man and the Biosphere (MAB) Programme list.
Biosphere Reserves are vital instruments for achieving the goals of conservation, sustainable development, and scientific research. By integrating ecological preservation with the socio-economic well-being of local communities, they serve as living laboratories for testing and demonstrating sustainable development approaches. Their zonation model—comprising core, buffer, and transition zones—ensures protection of biodiversity while also promoting education, research, and participatory resource management. As global environmental challenges increase, the role of Biosphere Reserves becomes even more significant in balancing human needs with ecological integrity.
Q1. What is a Biosphere Reserve?
A Biosphere Reserve is a designated area meant to promote the conservation of biodiversity, encourage sustainable development, and support scientific research and education. It includes core, buffer, and transition zones for effective management.
Q2. What are the three zones of a Biosphere Reserve?
Core Zone: Strictly protected for conservation and monitoring.
Buffer Zone: Used for research, education, and limited activities.
Transition Zone: Inhabited by humans; focus on sustainable development.
Q3. How is a Biosphere Reserve different from a National Park or Wildlife Sanctuary?
Unlike National Parks or Sanctuaries, Biosphere Reserves include inhabited zones and focus not only on conservation but also on sustainable development and cultural preservation.