Biosphere Reserves

Biosphere Reserves

A Biosphere Reserve is a designated area that aims to conserve biodiversity, promote sustainable use of natural resources, and foster scientific research and education related to environmental management. The concept of biosphere reserves was introduced by the UNESCO’s Man and the Biosphere (MAB) Programme in 1971, as part of a global effort to maintain a balanced relationship between humans and the natural environment.
Biosphere reserves serve as “living laboratories” where ecological conservation and human development coexist harmoniously, making them vital components of both global and national environmental strategies.

Definition and Concept

A biosphere reserve is defined as a protected area recognised internationally under UNESCO’s MAB Programme, which integrates three fundamental functions:

  1. Conservation – Protecting genetic resources, species, and ecosystems.
  2. Development – Promoting sustainable economic and human development.
  3. Logistic Support – Facilitating research, monitoring, education, and information exchange on environmental and developmental issues.

This framework seeks to reconcile biodiversity conservation with the needs of local communities, ensuring that environmental protection complements human progress rather than conflicts with it.

Structure of a Biosphere Reserve

Each biosphere reserve is divided into three interrelated zones, each serving distinct but complementary purposes:

  1. Core Zone:
    • The innermost and most protected area.
    • Strictly reserved for the conservation of landscapes, ecosystems, species, and genetic material.
    • Human activity is either prohibited or highly restricted.
    • Serves as the reference point for long-term ecological research.
  2. Buffer Zone:
    • Surrounds or adjoins the core area.
    • Limited human activity permitted, such as environmental education, research, and sustainable resource use.
    • Helps cushion the core zone from external pressures.
  3. Transition Zone:
    • The outermost area of the reserve.
    • Represents the zone of cooperation, where sustainable economic and human development activities occur.
    • Local communities, scientists, NGOs, and government agencies work together to promote sustainable livelihoods, ecotourism, and resource management.

This zoning system ensures both ecological integrity and community participation, making biosphere reserves models for integrated conservation and development.

Objectives of Biosphere Reserves

The establishment of biosphere reserves serves multiple ecological, economic, and educational objectives:

  • Conservation of biodiversity and natural ecosystems.
  • Restoration of degraded ecosystems and promotion of sustainable land use.
  • Preservation of genetic diversity in wild and domesticated species.
  • Promotion of sustainable livelihoods for local communities.
  • Research and monitoring of ecological and environmental changes.
  • Environmental education and awareness among the public.
  • Integration of traditional knowledge with modern scientific practices.

Biosphere Reserves in India

India launched its own Biosphere Reserve Programme in 1986, in line with UNESCO’s MAB initiative. These reserves are declared by the Government of India, Ministry of Environment, Forest and Climate Change (MoEFCC).
As of now, India has 18 designated Biosphere Reserves, out of which several have been recognised internationally by UNESCO under the World Network of Biosphere Reserves (WNBR).
List of Biosphere Reserves in India:

No. Name of Biosphere Reserve Location (State/UT) Year of Establishment UNESCO Recognition
1. Nilgiri Tamil Nadu, Kerala, Karnataka 1986 2000
2. Nanda Devi Uttarakhand 1988 2004
3. Nokrek Meghalaya 1988 2009
4. Great Nicobar Andaman & Nicobar Islands 1989 2013
5. Gulf of Mannar Tamil Nadu 1989 2001
6. Manas Assam 1989 1989
7. Sunderban West Bengal 1989 2001
8. Simlipal Odisha 1994 2009
9. Dibru-Saikhowa Assam 1997
10. Dehang-Debang Arunachal Pradesh 1998
11. Pachmarhi Madhya Pradesh 1999 2009
12. Khangchendzonga Sikkim 2000 2018
13. Agasthyamalai Tamil Nadu, Kerala 2001 2016
14. Achanakmar–Amarkantak Chhattisgarh, Madhya Pradesh 2005 2012
15. Great Rann of Kachchh Gujarat 2008
16. Cold Desert Himachal Pradesh 2009
17. Seshachalam Hills Andhra Pradesh 2010
18. Panna Madhya Pradesh 2011 2020

Criteria for Designation

To be declared a biosphere reserve, an area must meet the following criteria:

  • Represent a unique ecosystem type, such as forests, grasslands, wetlands, deserts, or coastal zones.
  • Contain biodiversity of global or regional significance.
  • Have a core area free from human interference.
  • Provide opportunities for sustainable development and community participation.
  • Possess a mechanism for scientific research, monitoring, and education.

Importance and Significance

  1. Ecological Conservation:
    • Protects rare and endangered flora and fauna, ensuring ecosystem balance.
    • Safeguards biodiversity hotspots and gene pools.
  2. Climate Regulation:
    • Forests and wetlands within biosphere reserves act as carbon sinks and help mitigate climate change.
  3. Sustainable Development:
    • Promotes eco-friendly livelihoods, such as organic farming, handicrafts, and ecotourism.
    • Encourages participatory management involving local communities.
  4. Research and Education:
    • Serves as natural laboratories for studying ecological processes, biodiversity, and human-environment interactions.
  5. Cultural Preservation:
    • Protects traditional knowledge systems and cultural heritage of indigenous communities living within the reserves.

Challenges in Management

Despite their importance, biosphere reserves face several management challenges:

  • Human Pressure: Population growth and unsustainable resource use threaten core and buffer zones.
  • Encroachment and Habitat Loss: Illegal mining, deforestation, and infrastructure projects degrade habitats.
  • Limited Funding and Infrastructure: Inadequate financial support hampers monitoring and conservation efforts.
  • Conflicts with Local Communities: Restrictive conservation policies sometimes conflict with local livelihood needs.
  • Climate Change Impacts: Altered rainfall patterns, forest fires, and invasive species affect ecosystem stability.

Effective management thus requires strong governance, community participation, and integration of scientific and traditional knowledge systems.

Global Network of Biosphere Reserves

The World Network of Biosphere Reserves (WNBR), coordinated by UNESCO, connects over 700 sites in more than 130 countries. These reserves form a global platform for cooperation, knowledge exchange, and innovation in sustainable development.
India’s participation in this network enhances its global standing in biodiversity conservation and promotes collaboration in research and capacity-building initiatives.

Originally written on May 24, 2011 and last modified on October 18, 2025.

1 Comment

  1. saket

    December 18, 2014 at 3:23 pm

    not sufficient

    Reply

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