Srinagar, March 26 -- Wetlands were once seen as unproductive wastelands avoided by most and often drained, filled or used as dumping grounds. Over time their importance has become clear. Wetlands provide essential habitats for fish, waterfowl and other wildlife, filter pollutants from water and help mitigate the impact of floods and storms. They also offer opportunities for fishing, hunting, photography and wildlife observation. As their ecological value becomes better understood, wetlands are increasingly recognised as resources that deserve protection and restoration. Wetlands support countless species by supplying water and nutrients essential for survival. They play a key role in maintaining biodiversity, replenishing groundwater and...