Fig. 4. Areal concentrations of stage CIV-CVI C. finmarchicus in autumn 2001 (East of the Tail of the Grand Bank) or 2003 (West of the Tail of the Bank) in the (A) sub-surface (>100 or 200 m) layers to the bottom or 1000 m and (B) surface (<100 or 200 m) layers.