Browsing Brage IMR by Author "Zimmermann, Christopher"
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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 ... -
External peer review of survey serier: Lessons From the Rügen Herring Larvae Survey
Zimmermann, Christopher; Dickey-Collas, Mark; Nash, Richard D.M.; Hammer, Cornelius (ICES CM documents;2007/P:10, Working paper, 2007)ICES coordinated surveys are, on a non-regular basis, reviewed by parent expert groups. A potential problem is that these are often conducted by evaluators being themselves involved in the surveys, thus lacking ... -
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 ... -
Report on surveys of the distribution, abundance and migrations of the Norwegian spring-spawning herring, other pelagic fish and the environment of the Norwegian Sea and adjacent waters in late winter, spring and summer of 1999
Holst, Jens Christian; Blindheim, Johan; Couperus, Bram; Hammer, Cornelius; Jakupsstovu, Stein Hjalti; Melle, Webjørn; Mork, Kjell Arne; Stein, Manfred; Vilhjálmsson, Hjálmar; Götz, Sabine; Krysov, Alexander; Martin, Bettina; Zimmermann, Christopher (ICES CM Documents;1999/D:3, Working paper, 1999)Introduction: The Norwegian spring-spawning herring reoccupied the Norwegian Sea as its main feeding area in the early 1990s, after nearly 25 years of absence. The herring stock is now a typical straddling and highly ... -
Stock discrimination of horse mackerel (Trachurus trachurus) in the Northeast Atlantic and Mediterranean Sea: integrating the results from different stock identification approaches
Abaunza, Pablo; Murta, A.; Mattiucci, S.; Cimmaruta, R.; Nascetti, G.; Magoulas, A.; Sanjuan, A.; Comesaña, S.; MacKenzie, K.; Molloy, John; Santos, A.T.; Iversen, Svein A.; Dahle, Geir; Gordo, L.; Stransky, Christoph; Zimmermann, Christopher; Santamaria, M.T.; Ramos, P.; Quinta, R.; Pinto, A.L.; Ruggi, A.; Campbell, Neil (ICES CM Documents;2004/EE:19, Working paper, 2004)The goal of horse mackerel stock discrimination was tackled by integrating both established and innovative approaches such as genetic markers (allozymes, mtDNA, microsatellite DNA and SSCP), morphometry and parasites, ... -
WESTHER: A multidisciplinary approach to the identification of herring (Clupea harengus L.) stock components west of the British Isles using biological tags and genetic markers.
Hatfield, Emma M. C.; Zuur, Alain F.; Boyd, John; Campbell, Neil; Chubb, James C.; Collins, Catherine M.; Coughlan, Jamie; Cross, Marcus A.; Cross, Tom F.; Cunningham, Carey O.; Geffen, Audrey J.; MacKenzie, K.; Nash, Richard D.M.; Jansen, Soenke; Kay, Suzanne M.; Kelly, Ciarán J.; O'Leary, David B.; Schlickeisen, Jürgen; Schön, Pieter-Jan; Watts, Phillip C.; Zimmermann, Christopher (ICES CM documents;2005/K:01, Working paper, 2005)A considerable amount of research has been carried out on the complex of commercially important herring stocks to the west of the British Isles, from the south-west of Ireland and the Celtic Sea to the north-west of Scotland. ...