The basin of the Gagas River, a fragile spring-fed river in northern India, has seen major changes over the past few decades. Dwindling tree cover has led to a marked reduction in water flows. River fish no longer form part of the local diet, and agricultural production has declined.
Lying in northeast Bangladesh, the Tanguar Haor wetland forms part of the wetland and floodplain complex of the Surma and Kushiyara river basins. About half of Tanguar Haor’s area comprises waterbodies and almost a third cropland. The wetland provides habitats for many different species of waterbirds and fish.