A recent study put the Total Economic Value of Tamil Nadu's Pichavaram Mangrove Ecosystem at ₹2,485.38 crore. The forest provides coastal protection, biodiversity conservation, fisheries, tourism and climate regulation. Its blue carbon asset value, covering carbon in vegetation and soil, is ₹1,612.40 crore, of which soil organic carbon alone accounts for ₹1,224.63 crore, showing most carbon is stored in sediments. The study estimated an average of 79.449 tonnes of carbon per hectare in vegetation and 251.14 tonnes per hectare in soil.