2008 年 24 巻 p. 19-24
Bio-productivity at the continental shelf is relatively high. Bio-productivity in this region should be maintained or improved for establishing sustainable fishery system. Authors reviewed methods for evaluating current structure and developing fishing grounds in this region. Three-dimensional current in the western of the Japan Sea was calculated by the hydrodynamic model. The performance of artificial reef for Upwelling nutrients from the bottom layer was estimated by the same numerical model. New measurement techniques were introduced, and importance of field survey, monitoring environment should be needed for maintaining and developing fishing grounds at the continental shelf.