India’s Wetlands

India’s Wetlands

India’s Wetlands

India’s Wetlands

India’s Wetlands

India’s Wetlands

India’s Wetlands

India’s Wetlands

India’s Wetlands

India’s Wetlands

India’s Wetlands

India’s Wetlands

India’s Wetlands

India’s Wetlands

India’s Wetlands

Wetlands are among the most productive ecosystems on Earth, providing vital ecological services and supporting millions of lives. They occupy a unique space as transitional zones between terrestrial and aquatic ecosystems, offering both biodiversity richness and livelihood opportunities.

Ecological and Socio-economic Significance of Wetlands

  • Wetlands act as natural buffers, absorbing floodwaters, mitigating storm impacts, and preventing coastal erosion.
  • They help in water purification by filtering sediments, pollutants, and excess nutrients.
  • Wetlands play a crucial role in groundwater recharge, maintaining stream flow even during dry seasons.
  • Provide habitats for diverse flora and fauna, including migratory and endangered species.
  • Act as carbon sinks, storing significant amounts of carbon and helping mitigate climate change.
  • Support the livelihoods of millions of people, supplying water, fish, fodder, fuelwood, food grains (like paddy), and raw materials like reeds and thatch.
  • Offer recreational, cultural, and educational value, promoting eco-tourism and preserving heritage sites.

Status of Wetlands in India

  • India has about 27,403 wetlands, covering approximately 15.26 million hectares (~4.6% of India’s land area).
  • Inland wetlands: ~23,444
  • Coastal wetlands: ~3,959
  • Wetlands account for 18.4% of the country’s area, with ~70% under paddy cultivation.
  • India is home to 75 Ramsar Sites (Wetlands of International Importance) covering ~1.093 million hectares.
  • Wetlands are found in varied forms:
  • High-altitude wetlands in the Himalayas
  • Floodplains of major river systems (Ganga, Brahmaputra)
  • Saline and seasonal wetlands in arid/semi-arid regions
  • Coastal wetlands: estuaries, lagoons, mangroves, swamps, coral reefs

Major Threats to Wetlands

  1. Land conversion for agriculture, aquaculture, and urban development.
  2. Overgrazing and sand mining that degrade wetland ecology.
  3. Pollution from domestic waste, agricultural runoff, and industrial effluents.
  4. Encroachment and deforestation in wetland areas.
  5. Climate change impacts such as rising sea levels and altered precipitation patterns.
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