February 25 , 2026
2 hrs 0 min
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- The wetlands in Murshidabad district, called the “kidneys of South Bengal,” are shrinking quickly at about 2.1 % per year.
- This shrinkage rate is nearly three times the global average and about 1.5 times India’s national average.
- A study found the total area of 14 major wetlands fell from 5,524.7 hectares (ha) in 1990 to 1,700.2 ha in 2025.
- The wetlands help regulate water flows, recharge groundwater, and support fisheries and agriculture.
- More than half of these wetlands are severely degraded due to invasive weeds, siltation and pollution.
- Only 4 out of 14 wetlands still have functional river connections, reducing water movement and ecosystem health.

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