Present state of tuna fishery with trap in South Spain
1974
Rodríguez-Roda, Julio
8 pages, 2 figures, 3 tables
Show more [+] Less [-]The total production in 1973 of the two South Spain traps was of 2383 tuna with 467988 Kg. The yield by weight and day in the sea and trap was 1119,6 Kg. and 234 tons for trap. The yield by number was 5.7 tuna by day and trap and l 191.5 Kg, by trap. That is to say 6% for the weight and 4% for the number more than in 1972. [...] Thunnus thynnus
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