Discard and by-catch of the shrimper fleet in a West African fishing ground: towards an Ecosystem Approach to Fisheries Management.
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AuthorsDuque-Nogal, V. (Verónica); García-Isarch, E. (Eva); Romero, Z. (Zeneida); Expósito-Martínez, P. (Pablo)
West African fishing ground
It is widely recognized that discards and overexploitation produced by intense fishing activities are not only a risk for fisheries sustainability but also the cause of the marine resources decline, this involving significant changes in the trophic webs and habitats. This is especially the case of bottom trawl fisheries, and more specifically shrimp trawls, which produce average discards that can be higher than 70% of catches. A Spanish shrimp fishery has been traditionally developed in West African fishing grounds, being especially relevant in Mauritanian waters, due to their high productivity. Since 2010, discards produced by this fishery have been studied from the information obtained through a “Program of scientific observers onboard” carried out by the Spanish Institute of Oceanography (IEO). Two annual observation cycles (2010 and 2014) have been conducted in Mauritania, giving information on catches and discards from a total of 996 (2014) and 1143 hauls (2010). More than 250 ...
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