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Trends in the fishery and population traits of the Namibian stock of Cape horse mackerel Trachurus trachurus capensis (Castelnau, 1861)
(Master thesis; Mastergradsoppgave, 2009-05-20)
This study explored possible factors linked to the instability of the stock biomass of Namibian horse mackerel Trachurus trachurus capensis (Castelnau 1861) in recent years (2001-2007). The major focus of the analysis was the contrast of stock traits in years of low and high stock biomass, as perceived from research cruises performed annually between February and March. Stock traits analyzed included: ...