... of the survey of the sea and on the study of marine charts as well as by results of the detection by echo-sounder when needed. ... and rays), Torao Sato ( Sparidae and Lethrinidae), Hitoshi Ida (Apogonidae) and Teruya Uyeno ( Trichiuridae and others). ... The pendant wires from otter-board to the end of towing rope is GROUND -ROPE CHAIN ENDANT WIRE OTTER Fig. 33. Diagramatic presentation of the Umitaka prawn-trawl (II) used in the survey showing various parts of the gear.
|Title||:||Biological investigations of marine Antarctic systems and stocks (FIBEX) by Umitaka Maru 1980-1981|
|Author||:||Tōkyō Suisan Diagaku|