Coastal areas are commonly defined as the interface or transition areas between land and sea, including large inland lakes. Overall, about 50-70 % of the global population live within 100 km of the coastline covering only about 4 % of earth's land, thereby drawing heavily on coastal and marine habitats for food, building sites, transportation, recreational areas, and waste disposal. The people of these zones depend mainly on low productive agriculture due to several constraints such as prol ...