This volume contains selected papers presented at the International Symposium on 'Economics of Eco system Management' held in Halkidiki, Greece from 26 to 30 September 1983. The meeting was designed to consider as much as possible the interaction between the economy and ecology, and in parallel to provide a forum for the presentation of the ecological and developmental initiatives of the Ministry of Youth of Greece. As chairman of the organizing committee I want to express our thanks to OECD, EEC and UNESCO for sponsoring the Symposium. From Greece the Ministries of Culture and Environment...