Some considerations of research and study on pelagic fishery resources
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The approach to the stock assessment and fishery management is briefly described on the Indo-Pacific mackerel resource in the Gulf of Thailand and the yellowtail resource around the Pacific coast of Japan. Recently, the fishery forecast has become one of the great concerns of Japanese researchers working on the pelagic fisheries. In addition to information concerning the stock assessment, knowledge on fish movements and aggregations connected with environmental conditions is accumulated to secure a correct forecast of fishery. In spite of strenuous efforts of researchers, pelagic fishery such as natural fluctuation in fish abundance and catch, widely ranging movement and distribution and diversity of fishing gear etc., bring about many difficulties and problems on the block assessment, fishery management and forecast. At present, the results of studies are not always so reliable to satisfy the fishermen. Researchers, however, are endeavouring step by step to ensure correct and timely judgements on the above objects of fishery science with more intensive communication with fishermen.
Kurogane, K. (1977). Some considerations of research and study on pelagic fishery resources. In Proceedings of the Technical Seminar on South China Sea Fisheries Resources, Bangkok, Thailand, 21-25 May 1973 (pp. 41-43). Tokyo, Japan: Japan International Cooperation Agency.