Subject: Current Affairs | Published: 16 November 2025
Biodiversity heritage sites (bhs): UPSC guide to India's local conservation Hotspots
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Introduction: New Sites on the Conservation Map
In a significant move for local conservation, states across India have been actively designating Biodiversity Heritage Sites (BHS), with recent examples including the Gupteswar Forest in Odisha (February 2024) and the Kasampatty Sacred Grove in Tamil Nadu (2023). These declarations underscore the growing importance of a unique conservation model enshrined in India’s legal framework. A BHS is a well-defined area characterized by unique, ecologically fragile ecosystems with a high degree of biodiversity.
Fun Fact: Not all BHS are pristine forests. The Nallur Tamarind Grove in Bengaluru, one of India’s first BHS, is a 400-year-old man-made grove, believed to be a relic of the Chola Dynasty. This highlights that BHS can protect man-made and culturally significant ecosystems.
What Qualifies as a Biodiversity Heritage Site?
Under Section 37 of the Biological Diversity Act, 2002, State Governments have the authority to notify BHS in consultation with local governing bodies. These sites are not necessarily large, wild landscapes but are rich repositories of life, often revered and protected by local communities for generations.
The criteria for declaring a BHS are broad, allowing for the protection of diverse areas.
| Criteria for BHS Declaration | Description |
|---|---|
| Species Richness | Presence of a high diversity of wild and domesticated species or intra-specific categories. |
| High Endemism | A significant percentage of flora and fauna are native only to that specific area. |
| Rare & Threatened Species | Presence of species that are globally, nationally, or locally rare, vulnerable, or endangered. |
| Keystone Species | Hosts species that have a disproportionately large effect on their natural environment relative to their abundance. |
| Evolutionary Significance | Areas with species that are “living fossils” or represent key evolutionary stages. |
| Cultural/Aesthetic Value | Areas with significant cultural, ethical, or aesthetic values, such as sacred groves, that are important for community traditions. |
To easily remember the core ecological criteria for a BHS, you can use the following mnemonic:
Mnemonic: SHREK
- Species Richness
- High Endemism
- Rare & Threatened Species
- Ecologically Fragile
- Keystone Species
Recent Developments and Strategic Importance (2023-2025)
The period of 2023-2024 has been particularly active for BHS declarations, reflecting a strategic shift towards recognizing and protecting biodiversity outside the conventional Protected Area Network. A landmark development was the passing of the Biological Diversity (Amendment) Act, 2023. While the act’s primary focus was to simplify compliance for users of biological resources (especially the AYUSH industry) and decriminalize certain violations, it reinforces the need for sustainable use and benefit-sharing, which directly impacts the governance of BHS.
Analogy: Think of BHS as ‘community-managed mini-biosphere reserves’. While a National Park is like a fortress with strict rules centrally managed, a BHS is more like a community garden, where local people are the primary custodians, blending conservation with sustainable livelihoods.
A notable recent addition is the Gandhamardan Hill range in Odisha (declared March 2023), often called the “Ayurvedic paradise of Odisha” due to its immense repository of medicinal plants. This declaration aims to protect this vital resource from destructive mining activities and formally empower the local communities who have protected it for centuries.
Statistic: Despite their ecological importance, all of India’s 45+ BHS combined cover an area of less than 1,000 sq km, a tiny fraction of the country’s total landmass, highlighting the vast potential for expanding this conservation model.
Critical Policy Appraisal
| Challenges/Criticisms | Opportunities/Successes/Way Forward |
|---|---|
| Weak Legal Protection: BHS do not have the same stringent legal protection as National Parks or Wildlife Sanctuaries, making them vulnerable to land-use changes. | Community Empowerment: Empowers local communities as primary stakeholders in conservation, respecting traditional knowledge and practices (e.g., sacred groves). |
| Funding Constraints: Lack of dedicated and sustained financial support for the management and development of BHS often hampers on-ground action. | Sustainable Livelihoods: Potential for developing eco-tourism, sustainable harvesting of non-timber forest products, and biodiversity-based enterprises. |
| Potential for Conflict: Restrictions on resource access, even if minimal, can sometimes lead to conflict with local communities if not managed inclusively. | Bridging Conservation Gaps: Protects biodiversity in human-dominated landscapes, acting as corridors and buffers between larger protected areas. |
| Slow Implementation: The process of identifying and notifying BHS remains slow in many states, leaving many potential sites unprotected. | Flexibility and Inclusivity: Can be established on both government and private lands, offering a flexible tool for conserving unique sites that don’t fit other legal categories. |
Analytical Lens: UPSC Focus (Mains & Prelims)
Conceptual Basis
The legal foundation for Biodiversity Heritage Sites is Section 37 of the Biological Diversity Act, 2002. The overarching framework is governed by this Act and its subsequent rules, now including the modifications and focus introduced by the Biological Diversity (Amendment) Act, 2023.
UPSC Integration: Connecting the Dots
- GS Paper 2 (Polity & Governance): The BHS model is a prime example of decentralized environmental governance and democratic conservation, directly involving Panchayati Raj Institutions and local bodies in decision-making as mandated by the Act.
- GS Paper 3 (Environment & Economy): It connects directly to in-situ conservation, sustainable development, and the economics of biodiversity (eco-tourism, benefit-sharing). It is also a tool for climate change adaptation by preserving resilient local ecosystems.
- GS Paper 1 (Indian Society & Culture): The framework provides legal recognition and protection to culturally significant sites like sacred groves, thus preserving India’s rich tapestry of traditional ecological knowledge and cultural practices.
Expert Analysis & Future Outlook
The BHS framework is poised to become a critical pillar of India’s conservation strategy. Its true potential lies in moving beyond mere notification to active, well-funded, and participatory management. The future success of BHS will depend on creating robust models where conservation goals are fully integrated with local livelihood security. As India aims to meet its international biodiversity commitments (like the Kunming-Montreal Global Biodiversity Framework), scaling up the BHS network offers a powerful, bottom-up pathway to mainstream biodiversity into the wider economic and social landscape.
Prelims Practice MCQ
Question: With reference to Biodiversity Heritage Sites (BHS) in India, which of the following statements is correct? a) They are exclusively notified by the Central Government under the Environment (Protection) Act, 1986. b) They can only be declared in areas that are already designated as Reserve Forests or National Parks. c) The State Government notifies a BHS in consultation with local bodies under the Biological Diversity Act, 2002. d) Once a site is declared a BHS, all human activities, including traditional practices, are strictly prohibited.
Answer: (c) Explanation: The legal mandate for BHS comes from Section 37 of the Biological Diversity Act, 2002, which empowers State Governments, not the Central Government, to declare them. This is done in consultation with local bodies, emphasizing a decentralized approach. Options (a), (b), and (d) are incorrect because BHS can be on private land, are distinct from the PA network, and are designed to be managed with community participation, not by completely prohibiting local activities.
Mains Sample Question
Question: While Biodiversity Heritage Sites (BHS) represent a novel approach to community-led conservation, they face significant challenges in implementation and legal protection. Critically analyze the effectiveness of the BHS framework in India, suggesting measures to strengthen it in light of recent legislative changes. (15 Marks, 250 Words)
Mind Map Outline (Revision Structure)
- Biodiversity Heritage Sites (BHS)
- Core Concept: Unique, ecologically fragile ecosystems with rich biodiversity, notified for conservation.
- Legal Framework
- Primary Legislation: Biological Diversity Act, 2002
- Key Provision: Section 37 (Power of State Governments).
- Actors: State Government, State Biodiversity Board, Local Bodies (Panchayats, Municipalities).
- Recent Legislation: Biological Diversity (Amendment) Act, 2023
- Focus: Streamlining compliance, sustainable use, and benefit-sharing.
- Primary Legislation: Biological Diversity Act, 2002
- Criteria for Declaration (Mnemonic: SHREK)
- Ecological
- Species Richness
- High Endemism
- Rare & Threatened Species
- Keystone Species
- Ecologically Fragile
- Socio-Cultural
- Sacred Groves
- Sites with cultural and traditional importance.
- Ecological
- Key Examples & Recent Updates (2023-2024)
- Odisha: Gandhamardan Hills (Medicinal Plants), Gupteswar Forest (Sacred Grove with bat caves).
- Tamil Nadu: Arittapatti, Kasampatty Sacred Grove.
- West Bengal: Home to the highest number of BHS.
- Karnataka: Nallur Tamarind Grove (Man-made BHS).
- Critical Appraisal
- Challenges
- Weak Legal Protection vs. National Parks.
- Inadequate Funding.
- Potential for Local Conflicts.
- Opportunities
- Community-led Conservation.
- Protection of Traditional Knowledge.
- Eco-tourism & Livelihood Generation.
- Challenges
- UPSC Linkages
- Polity: Decentralized Governance.
- Environment: In-situ Conservation.
- Society: Protection of Cultural Heritage.