Growth rates of the anchovyEngraulis encrasicolus and the sardineSardina pilchardus in the Northwestern Mediterranean Sea |
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| Authors: | B Morales-Nin J P Pertierra |
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| Institution: | (1) Institut d'Estudis Avançats de les Illes Balears, Carretera de Valldemossa, Km 7.5, E-07011 Palma de Mallorca, Spain;(2) Instituto de Ciencias del Mar, Paseo Nacional S/N, E-08039 Barcelona, Spain |
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| Abstract: | The growth rates of the anchovyEngraulis encrasicolus Linnaeus, 1758 and the sardineSardina pilchardus Walbaum, 1792 in the Northwestern Mediterranean Sea between January 1987 and June 1989 was determined by means of otolith interpretation validated by length-frequency analysis. The growth-performance index was higher for the anchovy than for the sardine, in contrast to other areas where these species coexist, where the sardine generally displays a higher growth rate than the anchovy. The possible causes of this difference between geographical areas are discussed. |
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