ICES Survey Protocols – Offshore Beam Trawl Surveys, Coordinated by Working group on Beam Trawl Surveys (WGBEAM) ...

• Main Authors: de Boois, Ingeborg J., Burt, Gary, Lecomte, Jean-Baptiste, Masnadi, Francesco, Panten, Kay, Raat, Heleen, Sigurðsson, Guðjón Már, Thorlacius, Magnús
• Format: Report
• Language: unknown
• Published: ICES Techniques in Marine Environmental Science (TIMES) 2023
• Subjects: Ecosystem observation, processes and dynamics; Fisheries and aquaculture; Greater North Sea ICES Ecoregion; Celtic Seas ICES Ecoregion; Bay of Biscay and the Iberian Coast ICES Ecoregion; Adriatic Sea ICES adjacent region; Icelandic Waters ICES Ecoregion; Iceland
• Online Access: https://dx.doi.org/10.17895/ices.pub.21603336; https://ices-library.figshare.com/articles/report/ICES_Survey_Protocols_Offshore_Beam_Trawl_Surveys_Coordinated_by_Working_group_on_Beam_Trawl_Surveys_WGBEAM_/21603336

The ICES survey protocol for offshore beam trawl surveys describes the current methodologies, stratification and sample processing used in the offshore beam trawl surveys that provide fisheries-independent information to the fish stock assessments for a variety of flatfish species. The surveys are conducted by Belgium, France, Germany, Iceland, Italy, Slovenia, Croatia, the Netherlands, and UK (Cefas). The manual also contains (i) an overview of the major historical changes in survey methodology and/or data collection, and (ii) an overview of the main attention points for data-users, e.g. when combining the data of the respective beam trawl surveys, and recommended data processing. The impetus for all the beam trawl surveys in this manual is the need for fisheries-independent information on commercial flatfish species. The prime target species and type of beam trawl are set depending on the survey area and/or the relevance of the species for the national or EU fisheries. Over time, data collection within the ...