. Pesca commerciale di revisione. La pesca e il commercio di pesce. Pesca commerciale REVIEW Vol. 16, n. 12 sono state misurate come erano generalmente rilasciato dal catcher barche e il loro aspetto sulla mothership erano rare. AH esemplari misurati sono stati scelti a caso, di solito da sbarchi di un singolo catcher imbarcazione al fine di determinare con precisione la zona di origine e per ridurre al minimo le interferenze con il granchio di manipolazione e le operazioni di elaborazione sul factoryships. Esemplari di vari tipi sono stati raccolti e conservati per un successivo studio. Osservazioni aggiuntive e i record sono stati mantenuti in materia di

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. Commercial fisheries review. Fisheries; Fish trade. COMMERCIAL FISHERIES REVIEW Vol. 16, No. 12 were measured as they were generally released from the catcher boats and their appearance on the mothership was rare. AH specimens measured were selected at random, usually from the landings of a single catcher boat in order to accurately determine the area of origin and to minimize interference with the crab handling and processing operations on the factoryships. Specimens of various types have been collected and preserved for later study. Additional observations and records were kept concerning fishing gear and methods, non-king crab forms that were caught, weather and sea conditions, and air and sea temperatures. FISHING FLEET. The S. S. Tokei Maru, leased from the Towa Steamship Company of Kobe, Ja- pan, was built in the United States in 191-9; the length is 401 feet, with a gross ton- nage of 4, 998 (fig. 1). Navigating equipment consisted of a magnetic compass, radio- direction finder, and loran receiver. However, loran reception was very poor in the area of operation and was further complicated by almost unceasing transmission on the same or on nearby frequencies by the ship's or by the catcher boats' wire- lesses. Loran readings were there- fore confirmed by sun-sights when- ever possible. The conversion to a factory- ship involved the building of tem- porary wooden platforms on the shel- ter deck over hatches Number 1, 2, and 4, to give better footing and to Fig. 2 - A trawler. provide better drainage as the crabs were piled in these areas prior to processing. The remainder of the shelter deck was partitioned to provide living quarters, dining areas, and gear lockers. The canning equipment, consisting of racks and tables for the meat graders and can fillers, and the clinching, sealing, vacuum, and retort equipment were installed on the upper deck below the shelter deck in the areas of hatches Number land 2. Other conversions included scaffoldings over the bridg

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