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    International Blue Whiting Spawning Stock Survey (IBWSS) Spring 2025

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    IBWSS 2025 Report.pdf
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    Author
    Wageningen Marine Research
    Institute of Marine Research
    Faroe Marine Research Institute
    Marine Institute
    Danish Institute for Fisheries Research
    Thünen Institute
    Keyword
    ICES
    Blue Whiting
    Spawning Stock
    Scientific survey
    RV Celtic Explorer
    CE25004
    Date
    2025
    Publisher
    Marine Institute
    
    Metadata
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    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.
    URI
    http://hdl.handle.net/10793/2025
    Collections
    Acoustic Surveys

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    Related items

    Showing items related by title, author, creator and subject.

    • Thumbnail

      International Blue Whiting Spawning Stock Survey (IBWSS) Spring 2013

      Marine Institute; Institute for Marine Resources & Ecosystem Studies; Institute of Marine Research; PINRO; Faroe Marine Research Institute; Marine Scotland Marine Laboratory; Johann Heinrich von Thünen-Institut; Danish Institute for Fisheries Research; Irish Whale and Dolphin Group; Galway and Mayo Institute of Technology (Marine Institute, 2013)
      Coordination 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.
    • Thumbnail

      International Blue Whiting Spawning Stock Survey (IBWSS) Spring 2014

      Marine Institute; Institute for Marine Resources & Ecosystem Studies; Institute of Marine Research; PINRO; Faroe Marine Research Institute; Marine Scotland Marine Laboratory; Johann Heinrich von Thünen-Institut; Danish Institute for Fisheries Research; Birdwatch Ireland; Irish Parks and Wildlife Service (Marine Institute, 2014)
      Coordination 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.
    • Thumbnail

      International Blue Whiting Spawning Stock Survey Spring 2009

      Marine Institute; Institute of Marine Research; University College Cork; PINRO; Faroese Marine Research Institute; Institute for Marine Resources & Ecosystem Studies; FRS Marine Laboratory; Federal Research Institute for Fisheries; Irish Whale and Dolphin Group; Sea Mammal Research Unit, Scotland; et al. (Marine Institute, 2009)
      In 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.
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