Renuka lake, named after the Goddess Renuka ji, the mother of Lord Parashuram, is situated near Dadahu in Sirmour district of Himachal Pradesh. Since years, it has been receiving silt and debris from 22 nallas, which are all around the catchment of the lake, which is causing ecological deterioration, habitat degradation and eutrification, etc.

Wetlands provide a range of valuable ecosystem services from water purification and nutrient retention to recreation and aesthetics. The value of these services is often difficult to quantify and document to policy makers and the general public. Economists have developed non-market approaches to address difficult issues related to valuation of the environment. This paper reviews recent literature on non-market valuation as applied to wetlands, with a particular focus on the value of urban wetlands.

Kolkata s ecosystem can educate one about living creatively with nature

Hydrological characteristics and sedimentation loading in Hokersar wetland of Kashmir Himalaya was monitored from November 2000 to october 2001. The compound water budget showed a substantial (91 percent) input from various surface inflows and just 9 per cent through precipitation.

Digital processing of the IRS-1D LISS-III image revealed a highly degraded state of the Kolleru lake.