• 1999 ICES coordinated acoustic survey of ICES Divisions IIIa, IVa, IVb and VIa 

      Simmonds, E. John; Toresen, Reidar; Torstensen, Else; Zimmermann, Christopher; Götze, Eberhard; Reid, David; Couperus, Bram (ICES CM Documents;2000/K:39, Working paper, 2000)
      Five surveys were carried out during late June and July covering most of the continental shelf north of 54°N in the North Sea and Ireland to the west of Scotland to a northern limit of 62°N. The eastern edge of the survey ...
    • 2000 ICES coordinated acoustic survey of ICES Division IIIa, IVa, IVb and VIa (North) 

      Simmonds, E. John; Svendsen, Bjørn V.; Torstensen, Else; Fernandes, Paul G.; Reid, David; Couperus, Bram; Staehr, K. J.; Zimmermann, Christopher; Götze, Eberhard (ICES CM Documents;2001/P:28, Working paper, 2001)
      Six surveys were carried out during late June and July covering most of the continental shelf north of 54°N in the North Sea and to the west of Scotland to a northern limit of 62°N. The eastern edge of the survey area ...
    • ICES coordinated acoustic survey of ICES divisions IIIa, IVa, IVb AND Via (North) 2002 Results and long term trends 

      Simmonds, E. John; Zimmermann, Christopher; Jansen, Soenke; Götze, Eberhard; Torstensen, Else; Staehr, K. J.; Couperus, Bram; Fernandes, Paul G. (ICES CM documents, Working paper, 2003)
      Six surveys were carried out during late June and July covering most of the continental shelf north of 54oN in the North Sea and to the west of Scotland to a northern limit of 62oN. The eastern edge of the survey area ...
    • ICES coordinated acoustic survey of ICES divisions IIIa, IVa, IVb and VIa (North) 2003 Results 

      Simmonds, E. John; Zimmermann, Christopher; Götze, Eberhard; Jansen, Soenke; Torstensen, Else; Lundgren, Bo; Reid, David; Ybema, S.; Couperus, A.S. (ICES CM Documents;2004/R:32, Working paper, 2004)
      Six surveys were carried out during late June and July covering most of the continental shelf north of 52°N in the North Sea and to the west of Scotland to a northern limit of 62°N. The eastern edge of the survey area was ...
    • Inter-calibration of participating vessels in the ICES coordinated surveys of North Sea herring 

      Simmonds, E. John; Toresen, Reidar; Pedersen, Jan Per; Götze, Eberhard (ICES CM Documents;1998/OPEN:23, Working paper, 1998)
      Summary: Three pairwise acoustic inter-calibrations of the performance of EK500 scientific echosounders were carried out in July 1997. The first inter-calibration was carried out at about 57 40'N by OE by GO Sars and ...