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India's First Teal Carbon Study Highlights Role Of Wetlands in Climate Adaptation & Resilience from Vajirao & Reddy Institute

By : Author Desk Updated : 2024-09-12 17:40:12

INDIA’S FIRST TEAL CARBON STUDY HIGHLIGHTS ROLE OF WETLANDS IN CLIMATE ADAPTATION & RESILIENCE

India has conducted its inaugural study on ‘teal carbon’ at Keoladeo National Park (KNP) in Bharatpur, Rajasthan. A. This landmark research shows the importance of wetlands in climate adaptation and resilience. B. The study highlights how these ecosystems can play a critical role in mitigating climate change if effectively managed. What is Teal Carbon?
  • Teal carbon refers to the carbon stored in non-tidal freshwater wetlands. This includes:
    • Vegetation: Carbon sequestered in plant life.
    • Microbial Biomass: Carbon contained in microorganisms.
    • Dissolved and Particulate Organic Matter: Carbon in dissolved and suspended forms within the water.
  • Significance:
    • These wetlands are crucial for regulating greenhouse gases.
    • They have the potential to act as significant carbon sinks but are threatened by various forms of degradation.
STUDY OVERVIEW
  • Lead Researcher: Professor and Head of the Department of Environmental Science at Central University of Rajasthan.
  • Collaborators:
    • Amanda Nahlik from the S. Environmental Protection Agency (EPA).
    • Siobhan Fennessy from Kenyon College, Ohio, U.S.
  • Objective: The study aimed to develop holistic nature-based solutions to combat climate change and assess the potential of teal carbon in climate adaptation.
KEY FINDINGS
  • Elevated Methane Emissions:
    • The study found high levels of methane emissions from the wetlands at KNP.
    • This highlights the need for effective management strategies to reduce these emissions.
  • Use of Biochar:
    • The research suggests using a specialized form of biochar (a type of charcoal) to mitigate methane emissions.
    • This biochar will require advanced instruments like the LI-COR device for real-time greenhouse gas measurement.
  • Conservation Needs:
    • Effective conservation efforts are crucial to maintain the wetlands' ability to sequester carbon.
    • This includes ensuring adequate water supply and selecting appropriate vegetation.
IMPACT ON CLIMATE ADAPTATION
  • Groundwater Recharge: Healthy wetlands contribute to the replenishment of groundwater resources.
  • Flood Mitigation: Wetlands can help reduce the impact of floods by absorbing excess water.
  • Heat Island Reduction: By maintaining vegetation and water bodies, wetlands can mitigate urban heat islands.
GLOBAL CONTEXT
  • Teal Carbon Storage: Globally, teal carbon storage is estimated at 21 petagrams of carbon (PgC). Major contributors include:
    • Peatlands: Wetlands where waterlogged conditions prevent the full decomposition of plant material, resulting in peat accumulation.
    • Freshwater Swamps and Marshes: Other significant sources of teal carbon storage.
  • Comparison: Teal carbon ecosystems are more effective at carbon capture and storage compared to terrestrial forest ecosystems.
CHALLENGES & RECOMMENDATIONS
  • Degradation Threats:
    • Wetlands are vulnerable to degradation from pollution, land use changes, water extraction, and landscape modifications.
    • Immediate conservation efforts are needed to protect these vital ecosystems.
  • Biochar Development:
    • Research into specialized biochar to mitigate methane emissions is essential.
    • Investment in sophisticated monitoring equipment and technologies is crucial for effective management.
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