The National Wetland Atlas, prepared by the Ahmedabad-based Space Applications Centre (SAC) of the Indian Space Research Organisation (ISRO), has classified Tamil Nadu as a wetland-rich State with 6.92% of its geographic area classified as wetlands. Lake/pond and tank/pond are the dominant wetland types found in all the Districts, accounting for 61%.
The atlas was prepared to protect wetlands from development and encroaching populations.
Tamil Nadu, Tiruvannamalai was found to have a wetland area of over 50,000 ha. (hectare = 2.47 acres).
Tamil Nadu, Tiruvannamalai was found to have a wetland area of over 50,000 ha. (hectare = 2.47 acres).