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	Provedor de dados OceanDocs (2) Autor Macchi, G.J. (2) Perrotta, R.G. (2) Tringali, L.S. (2) Boccanfuso, J. (1) Izzo, A. (1) López, F. (1) Pertierra, J.P. (1) Viñas, M.D. (1) Mais... Palavra-chave Biological sampling (1) Biomass (1) Catch statistics (1) Catch/effort (1) Commercial fishing (1) Costs (1) Economic models (1) Environmental conditions (1) Fishing grounds (1) Http://aims.fao.org/aos/agrovoc/c_1922 (1) Http://aims.fao.org/aos/agrovoc/c_2947 (1) Http://aims.fao.org/aos/agrovoc/c_32980 (1) Http://aims.fao.org/aos/agrovoc/c_6115 (1) Http://aims.fao.org/aos/agrovoc/c_926 (1) Mackerel fisheries (1) Population structure (1) Mais... Tipo do documento Journal Contribution (2) Ano 2000 (1) 1998 (1) País Belgium (2) Idioma Espanhol (2)		Ordenar por:  Relevância Autor Título Ano Registros recuperados: 2 Primeira ... 1 ... Última Una aplicación de los estudios ambientales para orientar la pesqueria de la caballa Scomber japonicus en Mar del Plata OceanDocs Perrotta, R.G.; Pertierra, J.P.; Viñas, M.D.; Macchi, G.J.; Tringali, L.S.. Both mackerel mean biomass and mean fishing effort in Buenos Aires (Argentina) shelf during the period 1990-91/1994-95 were estimated. Those values were 85,792 t and 42,051 minutes, respectively. However, the best economic profit from the fishery (about $15,390,036)($1=U$S1) was estimated to take place at 28,000 minutes. It was observed a waste in fishing effort of the commercial fleet related with sea surface temperatures of 19°C or more. Moreover, adult mackerel find better trophic conditions on the continental shelf (depth 50m), while larvae originated from massive spawning in late November-early December, i.e., during the main fishing season, find their optimum at lower depths. Mackerel shoals enter and leave fishing grounds in a counterclockwise way... Tipo: Journal Contribution Palavras-chave: Mackerel fisheries; Biomass; Catch/effort; Environmental conditions; Economic models; Commercial fishing; Biomass; Environmental conditions; Http://aims.fao.org/aos/agrovoc/c_926; Http://aims.fao.org/aos/agrovoc/c_32980. Ano: 1998 URL: http://hdl.handle.net/1834/2465 Aspectos económicos de la pesquería de caballa (Scomber japonicus) y muestreo de desembarque en el puerto de Mar del Plata. OceanDocs Perrotta, R.G.; Tringali, L.S.; Izzo, A.; Boccanfuso, J.; López, F.; Macchi, G.J.. Movements pattern records of the Mar del Plata inshore fishing fleet during the 1997/98 and 1998/99 chub mackerel fishing seasons (October-January) allowed to observe that there is coincidence between the decrease of the 1983-1997 catches with respect to years previous to the 1975/76 "critical season" and a reduction of the inshore fleet fishing grounds which modifies accessibility of the fleet to the chub mackerel schools. Biostatistical and gonadal development results obtained in the Mar del Plata area (i.e., presence of adults during almost the whole fishing season which overlaps with the spawning season) do not differ significantly from those obtained during previous fishing seasons. As recommended in previous papers, chub mackerel fishing operations... Tipo: Journal Contribution Palavras-chave: Catch statistics; Biological sampling; Fishing grounds; Population structure; Costs; Population structure; Fishing grounds; Costs; Http://aims.fao.org/aos/agrovoc/c_6115; Http://aims.fao.org/aos/agrovoc/c_2947; Http://aims.fao.org/aos/agrovoc/c_1922. Ano: 2000 URL: http://hdl.handle.net/1834/2542 Registros recuperados: 2 Primeira ... 1 ... Última

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