五島海区におけるフリ定置網漁場の性状

概要

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Large set nets in the coast of Gotoh Island in western part of Kyushu are constructed for catching yellow tail which migrates to this sea area in spring. The yellow tail in this season is usually called “Higan-Buri” in this province. The net in northern coast of Gotoh Island is always settled down earlier than that of southern coast in the season. Thereby, net setting month is late as far as to south. It seems that yellow tail caught by those nets is a group which comes down south, and belongs in same party in this sea area owning to similar variation of the annual catch by those set nets. In the annual catch of yellow tail, first class nets which catch more than others have not so fluctuation as the other one. And in the tendency of those above, better net is kept balance in the catch of them. It also shows that the migration of yellow tail to this sea area, the place of sojourn and the regular course of them toward the coast are almost fixed in same environment every year. As mentioned above the author concludes that the catch by large set nets which belongs to the excellent group should be nothing particular variation per annum in the coast of Gotoh Island in future.
公益社団法人日本水産学会の論文