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State’s Mangrove cover 2024
March 18 , 2025
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- The mangrove forest cover in Tamil Nadu has almost doubled in the last few years, expanding from 4,500 ha in 2021 to 9,039 ha in 2024.
- The new plantations are making up 40.1% (3,625 ha) of the total area and existing mangrove forests comprising 59.9% (5,414 ha).
- The report, titled ‘Blue Carbon Monitoring for Mangroves of Tamil Nadu’, says the Tiruvarur district has the largest mangrove area, covering 2,142 ha.
- Thanjavur closely follows with a total of 2,063 ha, consisting of 854 ha of the plantations and 1,209 ha of natural mangroves.
- Together, these two districts alone account for almost half of Tamil Nadu’s total mangrove and plantation area.
- The mangrove covers in Cuddalore, Tiruvarur, and Thanjavur also have the very substantial carbon storage capacities, with total carbon stocks of 249 tonnes/ha, 145 tonnes/ha, and 77.5 tonnes/ha, respectively.
- Mangrove areas with lower density, such as those in Villupuram (2.59 tonnes/ha) and Tiruvallur (13.1 tonnes/ha), capture smaller quantities of carbon.
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