Blar i Brage IMR på forfatter "Silva, Alexandra"
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Changes on horse mackerel (Trachurus trachurus) catch distribution in the Northeast Atlantic
Borges, Maria Fatima; Silva, Alexandra; Abaunza, Pablo; Eltink, A.; Lucio, Paulino; Walsh, Martin; Poulard, Jean-Charles; Casey, John; Iversen, Svein A.; Skagen, Dankert W.; Sanchez, Francisco (ICES CM Documents;1996/S:26, Working paper, 1996)The distributions of international commercial catch data were mapped by ICES rectangle and quarter from 1983-1994. These indicate a northward expansion of horse mackerel distribution in the Northeast Atlantic since 1987. ... -
Geographic variability of sardine dynamics in the Iberian Biscay region
Silva, Alexandra; Skagen, Dankert W.; Uriarte, A.; Massé, Jacques; Santos, M. B.; Marques, V.; Carrera, P.; Beillois, P.; Pestana, G.; Porteiro, C.; Stratoudakis, Y. (Journal article; Peer reviewed, 2009-04)The spatio-temporal variability in the distribution, demographic structure, recruitment, and mortality of sardine within the Iberian Biscay region is described using area-disaggregated data collected during acoustic surveys ...