Experiencias de selectividad en los copos de las redes de arrastre y desarrollo en dispositivos selectivos con grillas en la pesquería Argentina.
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Major results and difficulties which resulted from experiences in species and per size selectivity for the Argentine fishery are described. Codend selectivity and grid sorting devices trials were carried out. The use of grids not only reduced by-catch of hake in the shrimp fishery but also improved juveniles selectivity in the hake fishery as compared to mesh selectivity. No changes in fishing gears or in fishing manoeuvres were necessary. It was concluded that, to achieve a better rational exploitation of fishing resources, it is necessary to enhance selectivity of fishing gears. Deeper knowledge and further training of crews on Argentine fleets is also encouraged.