Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Dipankar Saha' has served as Experienced Scientist cum Manager over three decades on coastal resources management. Ph.D in Fisheries Science from University of Calcutta, India. Awarded Fellowship of The Zoological Society ,Kolkata. 24 years managerial experience in ICAR s (Government of India) KVK system(1980 2004), as a Team leader (Training Organiser) (1986 2004) of 16 member multidisciplinary Scientists team of Ramkrishna Ashram Krishi Vigyan Kendra , Nimpith, Sundarban, INDIA. Assigned by IFAD (UN), FAO(UN), UNDP on coastal studies, project development and evaluation. Presently persuading national and International consultancy in the sectors of Aquaculture, Livelihood and East Calcutta Wetlands management. Experienced resource manager on Aquaculture, Agriculture and Rural Developmentwith special reference to participatory technology development in coastal Sundarbans. Experienced Trainer in Communication and Extension Management for Agricultural Scientists, Managers of Agriculture, Rural & Urban Development and Social Development Planners. A mentor in Livelihood development and Food Security of ultra poor community in Coastal ecosystem.