International Blue Whiting Spawning Stock Survey (IBWSS) Spring 2025
| dc.contributor.author | Wageningen Marine Research | |
| dc.contributor.author | Institute of Marine Research | |
| dc.contributor.author | Faroe Marine Research Institute | |
| dc.contributor.author | Marine Institute | |
| dc.contributor.author | Danish Institute for Fisheries Research | |
| dc.contributor.author | Thünen Institute | |
| dc.date.accessioned | 2025-05-02T14:45:47Z | |
| dc.date.available | 2025-05-02T14:45:47Z | |
| dc.date.issued | 2025 | |
| dc.identifier.uri | http://hdl.handle.net/10793/2025 | |
| dc.description.abstract | Coordination of the survey was initiated at the meeting of the Working Group on International Pelagic Surveys (WGIPS) in January 2025 and continued by correspondence until the start of the survey. During the survey, effort was refined and adjusted by the survey coordinator (Norway) using real time observations. | en_US |
| dc.language.iso | en | en_US |
| dc.publisher | Marine Institute | en_US |
| dc.subject | ICES | en_US |
| dc.subject | Blue Whiting | en_US |
| dc.subject | Spawning Stock | en_US |
| dc.subject | Scientific survey | en_US |
| dc.subject | RV Celtic Explorer | en_US |
| dc.subject | CE25004 | en_US |
| dc.title | International Blue Whiting Spawning Stock Survey (IBWSS) Spring 2025 | en_US |
| dc.title.alternative | CE25004 | en_US |
| dc.type | Technical Report | en_US |
| refterms.dateFOA | 2025-05-02T14:45:49Z |
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International Blue Whiting Spawning Stock Survey (IBWSS) Spring 2013Coordination of the survey was initiated in the meeting of the Working Group on International Pelagic Surveys (WGIPS) and continued by correspondence until the start of the survey. During the survey, updates on vessel positions and trawl activities were collated by the survey coordinator and distributed to the participants twice daily. Norway did not participate in the survey this year. The survey design used and described in ICES (2012) allowed for a flexible setup of transects and good coverage of the spawning aggregations. Due to acceptable - good weather conditions throughout the survey period, the survey resulted in a high quality coverage of the stock. Transects of all vessels were consistent in spatial coverage and timing, delivering full coverage of the respective distribution areas within 19 days.
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International Blue Whiting Spawning Stock Survey (IBWSS) Spring 2014Coordination of the survey was initiated in the meeting of the Working Group on International Pelagic Surveys (WGIPS) and continued by correspondence until the start of the survey. During the survey, updates on vessel positions and trawl activities were collated by the survey coordinator and distributed to the participants twice daily. The survey design used and described in ICES (2014) allowed for a flexible setup of transects and good coverage of the spawning aggregations. Due to acceptable - good weather conditions throughout the survey period, the survey resulted in a high quality coverage of the stock. Transects of all vessels were consistent in spatial coverage and timing, delivering full coverage of the respective distribution areas within 14 days.
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International Blue Whiting Spawning Stock Survey Spring 2009In spring 2009, five research vessels representing the Faroe Islands, Ireland, the Netherlands, Norway and Russia surveyed the spawning grounds of blue whiting west of the British Isles. International co-operation allows for wider and more synoptic coverage of the stock and more rational utilisation of resources than uncoordinated national surveys. The survey was the sixth coordinated international blue whiting spawning stock survey since 2004. The primary purpose of the survey was to obtain estimates of blue whiting stock abundance in the main spawning grounds using acoustic methods as well as to collect hydrographic information. Results of all the surveys are also presented in national reports (F. Nansen: Oganin et al. 2009; Celtic Explorer: O’Donnell et al. 2009; M. Heinason: Jacobsen et al. 2009; Tridens: Ybema et al. 2009; Holst et al. 2009). This report is based on a workshop held after the international survey in Galway, 22-24/4/2009 where the data were analysed and the report written.
