Whereas, the total area of 326.26 square kilometre around Marine National Park arid Marine Sanctuary has been identified as Eco-sensitive zone, of which 208.5818 square kilometre is the area towards landward side, 105.14 square kilornetre towards sea and 12.5384 square kilometer is the area covered by rivers and the Marine Sanctuary covers an area of 457.92 square kilometre and an area of 162.89 square kilometre as Marine National Park was notified in 1982 and the entire Southern Coast of the Gulf in Jamnagar district is ringed by a cluster of 42 islands and many of them are fringed by coral reefs and mangrove vegetation