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A reliable and well documented description of the dynamic evolution since the trawl ban ( ) on the North Java coast is now possible and will serve as reference for the other fields of studies in the project. Mainly due to the fact that biological and dynamic studies have already been implemented prior to the project (BPPUORSTOM program ) the first phase of the project has been primarily oriented toward the completion of bio-ecology, population dynamics and exploitation fields. The PELFISH project has defined for its frame study the pelagic fisheries in the Java Sea which operate with large purse-seines on the six or seven main pelagic species of the region (Decapterus spp., Rastrelligerspp., Sardinella spp., Se/arspp.).lts global approach ncludes biological and dynamic of explo~ation research as well as socio-economical and environmental studies. Then, the management of such fisheries becomes urgent in order to avoid their collapse. The northern coast of the Java Island concentrates very active and varied fishing activities which represent a large manpower receptacle for the heavy populated coastal zones. Highly instable this resource represents the main income of numerous fishermen which are among the poorest group of the Indonesian population. The Java Sea is one of the main exploitation zone ( tonslyear in 1991 among which for small pelagic fishes) (DGF source). If the sustainable resources of these waters are estimated to around 6 million tons, the coastal ones are heavily explo~ed. The country has access to one of the widest maritime area of the planet (5.8 million km 2). As shown during the interventions of the representatives of the Indonesian government agencies, in Indonesia marine resources are very important. It needs to be valorized specially in populated countries like Indonesia where aquatic proteins playa key role in maintaining quality food intake among the population.

Artisan fishery contributes to almost ha~ of the 70 million tons of fish consumed by human beings in the world.

NURHAKIM On earth more than 100 million people depend directly or indirectly on fishery for their subsistence.

Without him the project would not have been implemented.Ĥ FOREWORD 3 M. rví / -~~~T~~, 1 Centre rmclllooiltntfgd ''' MOHTPlliIEBģ IN MEMORIAM This book is dedicated to the late Dr.

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