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Description:The twin-trawl and tongue-trawl systems represent a significant step in the evolution of shrimp fishing gear. The superior harvesting capability of these systems over the traditional double-rigged nets that had been used for many years has been readily recognized, but no visual evidence of the behavior of these trawls underwater existed and there was a notable lack of quantitative information on the performance of these systems. It was important, therefore, to conduct underwater tests and observations of the new trawl systems for comparison with the traditional nets. The field work was carried out in May 1984. In 1985 the film which resulted from this project was made available in 16 mm and video cassette form. This paper supplements the film and provides additional details and data which could not be included in the film.
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Sea Grant Document Number:GAUS-T-88-002
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Rights Information:Public Domain
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