Blar i Brage IMR på forfatter "Johnsen, Espen"
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When acoustics is not enough – towards a measurement of sandeel availability
Johnsen, Espen; Harbitz, Alf (ICES CM documents;2009/I:16, Working paper, 2009)Experimental surveys in the peak feeding season of sandeel (April-May) show that the abundance and geographical distribution of schooling lesser sandeels (Ammodytes marinus) can be acoustically measured, but the density ...