Use of historical acoustic survey data to estimate the stock abundance of mackerel in the North Sea

Use of historical acoustic survey data to estimate the stock abundance of mackerel in the North SeaGastauer, S.Ybema, M.S.Couperus, A.S.Damme, van C.J.G.IMAREShttp://library.wur.nl/WebQuery/wurpubs/383964enreportInternational Council for the Exploration of the Sea2009