Browsing Brage IMR by Author "Simmonds, E. John"
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1992 ICES coordinated acoustic survey of ICES divisions IVa, IVb and VIa
Simmonds, E. John; Dommasnes, Are; Aglen, Asgeir (ICES CM Documents;1993/H:11, Working paper, 1993)This papers provides a report on the combined acoustic survey of herring stocks in the North Sea and ICES Division IVa in July 1992. Surveys by Norway, Scotland and the Netherlands are included covering the period 24 ... -
1993 ICES coordinated acoustic survey of ICES Division IVa, IVb and VIa
Simmonds, E. John; Dommasnes, Are; Corten, A.; Pedersen, Jan Per; Reid, David (ICES CM Documents;1994/H:22, Working paper, 1994)Summary: This paper provides a report on the combined acoustic survey of herring stocks in the North Sea and ICES division IVaN in June-July 1993. The surveys were carried out by Norway, Scotland, Denmark and Netherlands ... -
1994 ICES coordinated acoustic survey of ICES Divisions IVa, IVb, VIa and VIIb
Simmonds, E. John; Toresen, Reidar; Corten, A.; Pedersen, Jan Per; Reid, David; Fernandes, Paul G. (ICES CM Documents;1995/H:15, Working paper, 1995)Summary: 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 Ireland to the west of Scotland to a northern limit of 62°N. The eastern edge of ... -
1995 ICES coordinated acoustic survey of ICES Divisions IVa, IVb, VIa and VIIb
Simmonds, E. John; Toresen, Reidar; Corten, A.; Pedersen, Jan Per; Reid, David; Fernandes, Paul G.; Hammer, Cornelius (ICES CM Documents;1996/H:8, Working paper, 1996)Summary: Seven 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 ... -
1996 ICES coordinated acoustic survey of ICES Divisions IIIa, IVa, IVb and VIa
Simmonds, E. John; Bailey, David M.; Toresen, Reidar; Couperus, Bram; Pedersen, Jan Per; Reid, David; Fernandes, Paul G.; Hammer, Cornelius (ICES CM Documents;1997/H:11, Working paper, 1997)Summary: Seven surveys were carried out during late June and July covering most of the continental shelf north of 54°N in the North Sea and lreland to the west of Scotland to a northern limit of 62°N. The eastern edge of ... -
1997 ICES coordinated acoustic survey of ICES Division IIIa, IVa, IVb and VIa
Simmonds, E. John; Bailey, M.C.; Toresen, Reidar; Torstensen, Else; Couperus, Bram; Pedersen, Jan Per; Reid, David; Hammer, Cornelius (ICES CM Documents;1998/OPEN:22, Working paper, 1998)Summary: 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 lreland to the west of Scotland to a northern limit of 62°N. The eastern edge of ... -
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 ... -
Acoustic applications in fisheries science: The ICES contribution
Fernandes, Paul G.; Gerlotto, Francois; Holliday, D. Vance; Nakken, Odd; Simmonds, E. John (ICES Marine Science Symposia, Conference object, 2002) -
Harvest control rules and changing productivity: the working example of North Sea herring
Dickey-Collas, Mark; Skagen, Dankert W.; Simmonds, E. John (ICES CM documents, Working paper, 2006)North Sea herring is managed by the EU and Norway through a harvest control rule where target fishing mortalities are changed if the estimated SSB falls below a trigger biomass million tonnes). This management agreement ... -
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 ... -
North Sea herring population structure revealed by microsatellite analysis
Mariani, Stefano; Hutchinson, William F.; Hatfield, Emma M. C.; Ruzzante, Daniel E.; Simmonds, E. John; Dahlgren, Thomas G.; André, Carl; Brigham, Jennifer; Torstensen, Else; Carvalho, Gary R. (Journal article; Peer reviewed, 2005-11-21)The Atlantic herring Clupea harengus has played a pivotal role in the formulation of ideas relating to population structuring in marine fishes, yet considerable uncertainty remains as to the extent to which phenotypic ... -
Report of the 1991 ICES coordinated acoustic survey of herring stocks in ICES divisions VIa IVa and IVb
Simmonds, E. John; Reid, David; Aglen, Asgeir; Skagen, Dankert W.; Corten, A. (ICES CM Documents;1992/H:35, Working paper, 1992) -
Report on herring acoustic surveys in northern and central North Sea during summer 1987
Aglen, Asgeir; Simmonds, E. John (ICES CM Documents;1988/H:37, Working paper, 1988)Acoustic surveys covering the Northern and Central North Sea were carried out by Scottish and Norwegian vessels during the period 24 June to 11 August. The estimated biomass of mature herring was 817 000 tonnes. For ... -
Report on the 1982 herring acoustic survey in the northwestern North Sea
Aglen, Asgeir; Simmonds, E. John; Bailey, R.S. (ICES CM Documents;1982/H:47, Working paper, 1982) -
Report on the 1983 Herring Acoustic Survey in the northwestern North Sea
Bailey, R.S.; Aglen, Asgeir; Corten, A.; Simmonds, E. John (ICES CM Documents;1983/H:52, Working paper, 1983) -
Report on the 1984 herring acoustic survey in the northern North Sea
Simmonds, E. John; Bailey, R.S.; Aglen, Asgeir; Lahn-Johannessen, John; Smedstad, Odd M.; Van de Kamp, G. (ICES CM Documents;1985/H:34, Working paper, 1985) -
Report on the 1985 ICES-coordinated herring acoustic survey in the northern North Sea
Simmonds, E. John; Bailey, R.S.; McKay, D.W.; Aglen, Asgeir; Iversen, Svein A. (ICES CM Documents;1986/H:16, Working paper, 1986)