. Commercial fisheries review. Fisheries; Fish trade. 24 COMMERCIAL FISHERIES REVIEW Vol. 23, No. 3 In return, the finder will receive a chart showing the time and place where the bottle which he found was released. Everyone is requested to fill in and mail every card which he finds, since it is expected that only a very small percentage of the bottles which are re- leased at sea will finally be washed ashore, and each card is thus of great value in the drift-bottle program. >;;?!« :{c ?!< ^t LOWER HAWAIIAN TUNA LANDINGS IN 1960 BEAR OUT PREDICTIONS OF BIOLOGISTS: In addition to the resu
. Commercial fisheries review. Fisheries; Fish trade. 24 COMMERCIAL FISHERIES REVIEW Vol. 23, No. 3 In return, the finder will receive a chart showing the time and place where the bottle which he found was released. Everyone is requested to fill in and mail every card which he finds, since it is expected that only a very small percentage of the bottles which are re- leased at sea will finally be washed ashore, and each card is thus of great value in the drift-bottle program. >;;?!« :{c ?!< ^t LOWER HAWAIIAN TUNA LANDINGS IN 1960 BEAR OUT PREDICTIONS OF BIOLOGISTS: In addition to the results of research con- ducted from the U. S. Bureau of Commercial Fisheries research vessel Charles H. Gil- bert, data concerning the commercial catch of skipjack tuna in Hawaiian waters are made available to Bureau biologists by the Hawaii State Department of Fish and Game, a tuna- canning company, and the commercial fish- ermen. Such data are used to monitor fluc- tuations in availability of the skipjack in Hawaiian waters and for various research studies, particularly those concerned with inter-relationships between the skipjack and the environment. In addition to providing the. Tlie Service's research vessel Charles H. Gilbert. catch data, personnel of the cannery and the sampan fishermen cooperate by making fish and facilities available to the biologists for studies such as those of size frequencies, stages of maturation, stomach contents, and blood types. The following is a summary of the 1960 skipjack catch statistics and of the size distribution, the latter from fish meas- ured at the cannery. The total 1960 landings of skipjack tuna by the Hawaiian commercial fishermen was million pounds, of which, million pounds were landed during May-September (the "season"), and million during the remainder of the year. The prediction for 1960 landings, made in March 1960 was for a poorer than average year. The average landings for the past elev- en years was 10
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