UPSC MainsBOTANY-PAPER-II202310 Marks
Q26.

Biosphere reserves

How to Approach

This question requires a comprehensive understanding of biosphere reserves – their concept, objectives, categorization, management, and significance. The answer should define biosphere reserves, explain their structure (core, buffer, transition zones), list Indian biosphere reserves, and discuss their role in conservation and sustainable development. A comparative analysis with other protected areas (national parks, sanctuaries) would add value. Structure the answer into introduction, body (covering definition, objectives, categorization, Indian examples, management, challenges), and conclusion.

Model Answer

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Introduction

Biosphere Reserves are internationally recognized areas designated by UNESCO under its Man and the Biosphere (MAB) Programme. These reserves aim to reconcile biodiversity conservation with sustainable use of natural resources by local communities. Established in 1976, the MAB Programme recognizes the interconnectedness between humans and the environment, advocating for a holistic approach to conservation. India, with its rich biodiversity, has established 18 Biosphere Reserves, contributing significantly to global conservation efforts and providing a model for integrated landscape management. Understanding these reserves is crucial for effective environmental governance and sustainable development.

What are Biosphere Reserves?

Biosphere Reserves are areas of terrestrial and coastal ecosystems which promote and demonstrate a balanced relationship between humans and biosphere. They are nominated by national governments and recognized by UNESCO’s MAB Programme. They are not merely protected areas but are living laboratories for research, monitoring, education, and training.

Objectives of Biosphere Reserves

  • Conservation of Biodiversity: Protecting ecosystems, species, and genetic resources.
  • Sustainable Development: Promoting economic development that is environmentally sound and socially equitable.
  • Research and Monitoring: Conducting scientific research to understand ecosystem functioning and the impacts of human activities.
  • Education and Training: Raising awareness about environmental issues and promoting sustainable practices.
  • Participatory Management: Involving local communities in the planning and management of the reserve.

Zonation of Biosphere Reserves

Biosphere Reserves are typically divided into three interconnected zones:

  • Core Zone: Strictly protected area for long-term conservation of ecosystems, species, and genetic resources. Human activities are highly restricted.
  • Buffer Zone: Surrounds the core zone and is used for activities compatible with conservation, such as sustainable agriculture, forestry, and tourism.
  • Transition Zone: The outermost zone, where human settlements and activities are permitted, but are managed to promote sustainable development and minimize negative impacts on the core and buffer zones.

Indian Biosphere Reserves

India has 18 Biosphere Reserves as of November 2023 (knowledge cutoff). Some prominent examples include:

Biosphere Reserve State Year of Establishment
Nilgiri Tamil Nadu, Kerala, Karnataka 1986
Nanda Devi Uttarakhand 1988
Sundarbans West Bengal 1989
Gulf of Mannar Tamil Nadu 1989
Great Nicobar Andaman and Nicobar Islands 1989
Pachmarhi Madhya Pradesh 1999
Simlipal Odisha 2009

Management of Biosphere Reserves in India

The management of Biosphere Reserves in India is governed by the Wildlife (Protection) Act, 1972, and the Environment (Protection) Act, 1986. A Biosphere Reserve Management Authority (BRMA) is typically established for each reserve, comprising representatives from local communities, government agencies, and scientific institutions. The BRMA is responsible for developing and implementing management plans, monitoring ecosystem health, and promoting sustainable livelihoods.

Biosphere Reserves vs. National Parks & Wildlife Sanctuaries

While all three are protected areas, they differ in their objectives and management approaches:

  • National Parks: Primarily focused on strict protection of wildlife and their habitat. Human activities are generally prohibited.
  • Wildlife Sanctuaries: Focused on protecting wildlife, but may allow some human activities, such as grazing and collection of forest products, with restrictions.
  • Biosphere Reserves: A broader approach that integrates conservation, sustainable development, and research, with a focus on the relationship between humans and the environment.

Challenges in Managing Biosphere Reserves

  • Human-Wildlife Conflict: Increasing population and encroachment leading to conflicts.
  • Illegal Activities: Poaching, timber smuggling, and encroachment pose threats.
  • Lack of Funding: Insufficient financial resources for effective management and monitoring.
  • Coordination Issues: Lack of coordination between different government agencies and stakeholders.
  • Climate Change Impacts: Altered rainfall patterns and increased frequency of extreme weather events.

Conclusion

Biosphere Reserves represent a crucial approach to balancing conservation and development. They serve as models for sustainable landscape management, promoting biodiversity conservation, and improving the livelihoods of local communities. Addressing the challenges related to funding, coordination, and human-wildlife conflict is essential for ensuring the long-term effectiveness of these reserves. Strengthening community participation and integrating climate change adaptation strategies will be vital for the future of Biosphere Reserves in India and globally.

Answer Length

This is a comprehensive model answer for learning purposes and may exceed the word limit. In the exam, always adhere to the prescribed word count.

Additional Resources

Key Definitions

In-situ Conservation
The on-site conservation of species in their natural habitats. Biosphere Reserves are prime examples of in-situ conservation strategies.

Key Statistics

As of November 2023, there are 738 Biosphere Reserves in 131 countries, including 18 in India.

Source: UNESCO MAB Programme website (as of knowledge cutoff)

Approximately 10% of India’s geographical area is under protected areas, including National Parks, Wildlife Sanctuaries, and Biosphere Reserves.

Source: Ministry of Environment, Forest and Climate Change, Annual Report (as of knowledge cutoff)

Examples

Sundarbans Biosphere Reserve

The Sundarbans, a UNESCO World Heritage Site, is the largest mangrove forest in the world and a crucial habitat for the Bengal tiger. It demonstrates the successful integration of conservation with the livelihoods of local communities dependent on the forest resources.

Frequently Asked Questions

What is the difference between a core zone and a buffer zone in a Biosphere Reserve?

The core zone is strictly protected with minimal human interference, focusing on long-term conservation. The buffer zone surrounds the core and allows for sustainable activities compatible with conservation, acting as a transition area.

Topics Covered

BiologyEnvironmentConservationProtected AreasEcosystems