@article{oai:ir.kagoshima-u.ac.jp:00004761, author = {TAKAHASHI, Tadao}, journal = {鹿児島大学水産学部紀要=Memoirs of Faculty of Fisheries Kagoshima University}, month = {2016-10-28}, note = {The fishing grounds in extra-shelf regions around the Ryukyu Island Arc are investigated comprehensively by many scientists in co-operation as a University Project during three years. The research cruise of Kagoshima-maru in 1978 is described and preliminary results are reviewed. Hydrological differences between both sides of the Ryukyu Ridge, insular shelf, current over a bank, stepwise profile of temperature, bacteriophage, larva, taking by three kinds of fishing gear, some special features of bottom fauna, and fish market problem are discussed.}, pages = {209--214}, title = {A Comprehensive Study on a Reasonable Exploitation of the Ocean Fishing Grounds in Extra-Shelf Regions around the Ryukyu Island Arc : Preliminary Report}, volume = {28}, year = {} }