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RELATION BETWEEN ANNUAL VARIATION OF HOOKING-RATE AND AGE GROUPS OF YELLOWFIN TUNA IN THE TROPICAL WESTERN PACIFIC OCEAN-II
西部太平洋赤道付近におけるキハダの釣獲率経年変化と年令群経年変化との関係-II
1963
Nippon Suisan Gakkaishi
西部太平洋赤道付近におけるキハダの釣獲率経年変化と年令群経年変化との関係-II
Preserved Fulltext
RELATION BETWEEN ANNUAL VARIATION OF HOOKING-RATE AND AGE GROUPS OF YELLOWFIN TUNA IN THE TROPICAL WESTERN PACIFIC OCEAN-II. RELATION BETWEEN ANNUAL VARIATION OF HOOKING-RATE AND YEAR CLASS Jun NAKAGOME* I estimated abundance of several age groups of yellowfin tuna exploited in the Tropical Western Pacific Ocean during 1952 through 1960 on the basis of the hooking-rate and the age composition of the fish. It was found that the increase of hooking-rate in the three successive periods corresponds
doi:10.2331/suisan.29.21
fatcat:zwbnwsrqkrbi7inivx3aysiaky