Vembanad (lake ) - Kol Wetland ramsar site
The largest brackish, humid tropical wetland ecosystem on the southwest coast of India, in kerala fed by 10 rivers and typical of large estuarine systems on the western coast, renowned for its clams and supporting the third largest waterfowl population in India during the winter months.
Over 90 species of resident birds and 50 species of migratory birds are found in the Kol area.
Flood protection for thickly-populated coastal areas of three districts of Kerala is considered a major benefit, groundwater recharge helps to supply well water for the region, and the value of the system for the local transport of people and trade is considerable. Ramsar site no. 1214 .( source: ramsar.org)
Kol wetlands are seasonally flooded paddy fields lying between chalakkudy
river and bharathapuzha in trichur and malappuram districts.