Relationship between short-term fluctuation of the oceanic condition and the distribution of fishery grounds of spotted mackerel [Scomber australasicus] around the Miyake Island [Japan] ridge under the occurrence of the Kuroshio [water current] non-large meander path from 2003-2004

ambiente marino caballa corrientes de agua courant d'eau fishing grounds fondos de pesca islands islas mackerel maquereau marine environment milieu marin oceano pacifico pacific ocean periodicidad periodicity rendement rendimiento scomber australasicus variedades varieties water currents yields