Article 2: Tiger Population increase in India
Why in News: Rapid increase in tiger population in Madhya Pradesh has raised concerns about ecological limits, leading to discussions on carrying capacity and rising human-wildlife conflict.
Key Details
- Madhya Pradesh has seen a sharp rise in tiger population, approaching the 1,000 mark. This growth rate is significantly higher than the national average, making it a unique conservation case.
- India’s tiger population increased by 65% between 2014 and 2022. In contrast, Madhya Pradesh recorded a much higher growth of over 150% in the same period.
- Human-tiger conflict incidents have increased alongside rising tiger numbers. This includes livestock depredation and occasional attacks on humans.
- The state has approached the Wildlife Institute of India to assess forest carrying capacity. This study aims to determine how many tigers can be sustainably supported.
Project Tiger and Conservation Success
- Project Tiger: Launched in 1973 to protect tigers and their habitats. It focuses on habitat conservation, anti-poaching measures, and ecosystem restoration.
- Post-Sariska Reforms: After the Sariska Tiger Reserve crisis, stricter monitoring and conservation strategies were adopted. This led to significant recovery in tiger populations across India.
- Tiger Census: Conducted every four years using scientific methods like camera trapping. It helps track population trends and conservation effectiveness.
- India’s Global Role: India hosts over 70% of the world’s wild tiger population. This makes it central to global tiger conservation efforts.
Carrying Capacity Concept
- Definition: Carrying capacity refers to the maximum number of individuals an ecosystem can sustainably support. It depends on availability of food, water, habitat, and ecological balance.
- Prey-Predator Relationship: Around 300–350 prey animals are needed to sustain one tiger annually. This shows that prey availability is the primary limiting factor.
- Ecological Balance: Exceeding carrying capacity leads to competition, starvation, or dispersal. It may also result in increased conflict with humans.
- Management Importance: Scientific estimation helps in planning conservation strategies. It ensures sustainability rather than unchecked population growth.
Habitat Fragmentation and Corridor Issues
- Shrinking Forest Connectivity: Infrastructure development like roads, railways, and mining disrupts wildlife corridors. This restricts natural movement of tigers between habitats.
- Barrier to Dispersal: Surplus tigers are unable to migrate safely to new areas. This leads to overcrowding in existing reserves.
- Human Interface: Displaced tigers often enter human settlements. This increases the chances of conflict and retaliation.
- Need for Corridors: Wildlife corridors are essential for gene flow and population stability. Their restoration is a long-term conservation priority.
Human-Wildlife Conflict
- Rising Incidents: Tiger attacks on humans and livestock have increased in recent years. This is directly linked to higher tiger density and habitat pressures.
- Retaliatory Killings: Local communities sometimes kill tigers to avenge livestock loss. This undermines conservation gains and creates social tensions.
- Economic Impact: Loss of livestock affects rural livelihoods significantly. It increases resistance among communities towards conservation policies.
- Regional Variation: Conflict is higher in states like Maharashtra and Uttar Pradesh. Madhya Pradesh has relatively lower conflict but rising trends are concerning.
Role of Prey Base and Livestock Dependency
- Declining Wild Prey: In some areas, natural prey populations are insufficient. This forces tigers to depend on livestock for survival.
- Livestock as Food Source: Studies show up to 40–50% of tiger diet includes domestic animals in some reserves. This increases interaction between humans and tigers.
- Cattle Proliferation: Increase in cattle population near forests contributes to this trend. It creates easy prey but also raises conflict risks.
- Ecological Impact: Dependence on livestock alters natural predator-prey dynamics. It may affect long-term ecosystem stability.
Surplus Tiger Management Strategies
- Natural Dispersal: Tigers naturally migrate to new territories when population increases. However, fragmentation limits this process.
- Translocation: Moving tigers to other suitable habitats is being attempted. But availability of suitable habitats remains a constraint.
- Habitat Restoration: Improving degraded forests can increase carrying capacity. It also helps in reducing pressure on existing reserves.
- Scientific Planning: Data-driven management is essential for sustainable conservation. It ensures balance between ecology and human needs.
Social Carrying Capacity
- Definition: Refers to the level of wildlife population acceptable to human society. It includes social, economic, and political considerations.
- Beyond Ecology: Even if forests can support more tigers, society may not accept higher conflict levels. This makes management a complex decision-making process.
- Policy Relevance: Balancing conservation goals with local community interests is crucial. It requires participatory governance and compensation mechanisms.
- Dynamic Concept: Social tolerance levels may change over time. Hence, policies must remain flexible and adaptive.
Way Forward
- Strengthening Corridors: Restore and protect wildlife corridors for safe tiger movement. This will reduce overcrowding and conflict.
- Community Participation: Involve local communities in conservation efforts. Compensation and awareness can reduce retaliatory actions.
- Habitat Expansion: Develop new protected areas and restore degraded forests. This will increase overall carrying capacity.
- Balanced Approach: Integrate ecological science with socio-economic considerations. Sustainable conservation requires long-term planning and coordination.
Conclusion
India’s success in increasing tiger population is a major conservation achievement. However, it has also created new challenges related to carrying capacity and human-wildlife conflict. A balanced, science-based, and community-inclusive approach is essential for sustainable coexistence.
EXPECTED QUESTION FOR UPSC CSE
Prelims MCQ 1
Q. Which of the following factors increase human-wildlife conflict in India?
- Habitat fragmentation
- Increase in prey population
- Livestock presence near forests
Select the correct answer using the code below:
(a) 1 and 3 only
(b) 2 and 3 only
(c) 1 and 2 only
(d) 1, 2 and 3
Answer: (a)