Mangrove area Major Threats References
West Bengal Agriculture, prawn seed collection, reduction in fresh water flow and pollution [34,38]
Odisha Natural calamities, prawn farming, encroachment and rehabilitation [15,20]
Tamil Nadu Reduction in fresh water flow, invasion of alien species and over-exploitation of mangroves [45,42,43]
Andhra Pradesh Agriculture, grazing, developmental activities, invasion of alien species and aquaculture [35,36,37,45]
Gujarat Over-exploitation of mangroves, developmental activities, natural calamities and coral reef degradation [14,47]
Maharashtra Urbanization and pollution [38]
Karnataka Agriculture, tree felling and pollution [35]
Kerala Unsustainable mode of aquaculture practices, mangrove wood for fuel, industrialization and urbanization, bio-pollution [14,48]
Andaman and Nicobar Islands Agriculture, exploitations for wood and wood products, tourism development-encroachment and natural calamities such as cyclone, storm and tsunami [18,39,40,41]
Table 2: Mangrove area and major threats (Compilation study).