Acoustic abundance estimation of sardine (Sardina pilchardus Walb.) off Cantabric and Galician waters. March 1986

Results of the acoustic survey "Saracus 86-1" are reported in this paper. This cruise was carried out in March off the Cantabric and Galician coast (North of Spain), to evaluate the sardine biomass present in that area. This period is included in the spawning season. Abundance by age group was estimated. The total biomass estimation was 155.000 tonsOn present ici les resultats de la campagne acoustic sur la sardine au large des côtes Cantabrique et Galicienne dans Mars 1986. Cette periode est dans l'époque de la ponte. On a obtenu estimations de la biomasse total et par class d'âge. La biomasse total estimé á été 155.000 tonnes