Downloaded from orbit.dtu.dk on: Dec 20, 2017 Quantifying fish escape behaviour through large mesh panels in trawls based on catch comparision data – model development and a case study from Skagerrak In: ICES (2012) Report of the ICES-FAO Working Group on Fishing Gear Technology and Fish Behaivour (WGFTFB), 23-27 April 2012, Lorient, France. ICES CM 2012/SSGESST:07 Krag, Ludvig Ahm; Herrmann, Bent; Karlsen, Junita Diana Publication date: 2012 Document Version Publisher's PDF, also known as Version of record Link back to DTU Orbit Citation (APA): Krag, L. A., Herrmann, B., & Karlsen, J. (2012). Quantifying fish escape behaviour through large mesh panels in trawls based on catch comparision data – model development and a case study from Skagerrak In: ICES (2012) Report of the ICES-FAO Working Group on Fishing Gear Technology and Fish Behaivour (WGFTFB), 23-27 April 2012, Lorient, France. ICES CM 2012/SSGESST:07. 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ICES WGFTFB REPORT 2012 SCICOM STEERING GROUP ON ECOSYSTEM SURVEYS SCIENCE AND TECHNOLOGY ICES CM 2012/SSGESST:07 REF. SCICOM, ACOM Report of the ICES-FAO Working Group on Fishing Technology and Fish Behaviour (WGFTFB) 23-27 April 2012 Lorient, France International Council for the Exploration of the Sea Conseil International pour l’Exploration de la Mer H. C. Andersens Boulevard 44–46 DK-1553 Copenhagen V Denmark Telephone (+45) 33 38 67 00 Telefax (+45) 33 93 42 15 www.ices.dk [email protected] Recommended format for purposes of citation: ICES. 2012. Report of the ICES-FAO Working Group on Fishing Technology and Fish Behaviour (WGFTFB), 23-27 April 2012, Lorient, France. ICES CM 2012/SSGESST:07. 206 pp. For permission to reproduce material from this publication, please apply to the Gen- eral Secretary. The document is a report of an Expert Group under the auspices of the International Council for the Exploration of the Sea and does not necessarily represent the views of the Council. © 2012 International Council for the Exploration of the Sea ICES WGFTFB REPORT 2012 | i Contents Executive summary ................................................................................................................ 1 1 Directive .......................................................................................................................... 4 2 Introduction .................................................................................................................... 4 3 Terms of Reference ........................................................................................................ 5 4 Participants ..................................................................................................................... 6 5 Explanatory note on meeting and report structure .................................................. 6 6 Opening of the meeting ................................................................................................ 6 7 Report from ICES (Mike Pol) ...................................................................................... 6 7.1 Developments in the ICES-FAO relationship in regards to WGFTFB ................................................................................................................. 6 7.2 Report on developments from the 2011 Annual Science Conference ............ 7 7.2.1 The Marine Framework Strategy Directive (MFSD) ........................... 7 7.2.2 MSFD vs. WGFTFB – a very quick guide (Tom Catchpole) ............... 7 7.2.3 Ecosystem Surveys .................................................................................. 8 7.2.4 Communication with ICES Advisory Committee (ACOM) .............. 8 7.3 Multi-annual Management of SCICOM Expert Groups ................................. 9 7.4 Request on data collection on marine litter during surveys ......................... 10 7.5 ICES Advice on Data Collection Framework .................................................. 11 7.6 Nominations for ICES prizes ............................................................................. 12 7.7 Other comments .................................................................................................. 13 8 Report from FAO (Petri Suuronen) .......................................................................... 13 9 Presentation of Expert Group reports ...................................................................... 15 9.1 Report from the Study Group on Turned 90° Codend Selectivity (SGTCOD; Bent Herrmann) .............................................................................. 15 9.2 Report from Study Group on Electrical Trawling (SGELECTRA; Bob van Marlen) .................................................................................................. 17 10 ToR A: Incorporation of Fishing Technology Issues/Expertise into Management Advice (Mike Pol and Dominic Rihan) .......................................... 20 10.1 General Overview ............................................................................................... 20 10.2 Terms of Reference ............................................................................................. 20 10.3 General issues ...................................................................................................... 20 10.4 Information for individual assessment working groups............................... 33 10.5 Conclusions ......................................................................................................... 34 11 ToR B: Redfish Fishing Technology and Physiology (Bent Herrmann) ........... 35 11.1 Background.......................................................................................................... 35 ii | ICES WGFTFB REPORT 2012 11.2 General Overview ............................................................................................... 35 11.3 Terms of Reference ............................................................................................. 35 11.4 List of Participants .............................................................................................. 36 11.5 Individual presentations .................................................................................... 36 11.5.1 A Network to Redevelop a Sustainable Redfish (Sebastes fasciatus) Trawl Fishery in the Gulf of Maine (Mike Pol, Mass. Division of Marine Fisheries, USA) .......................................... 36 11.5.2 Grid selectivity for redfish (Bent Herrmann, DTU-Aqua) ............... 36 11.5.3 Sticking of redfish in trawlnetting (Discussion) ................................ 37 11.5.4 Some aspects of Redfish Selectivity (A. Pavlenko, PINRO, Russian Federation) ............................................................................... 37 11.5.5 New Data from Iceland (O. Ingolfsson, Marine Resources Institute) .................................................................................................. 39 11.6 Recommendations and findings ....................................................................... 39 12 ToR C: Use of Artificial Light in Fishing (Heui-Chun An, Mike Breen, Odd-Børre Humborstad, Yoshiki Matsushita) ....................................................... 40 12.1 Terms of Reference ............................................................................................. 40 12.2 Introduction ......................................................................................................... 40 12.3 List of Participants .............................................................................................. 41 12.4 Background.......................................................................................................... 41 12.5 Session 1 – An introduction to the properties of light underwater and the biology of underwater vision .............................................................. 43 12.5.1 Light and Vision: Use of Artificial Light in Fishing Operations (Christopher W. Glass). .................................................... 43 12.5.2 Colour vision in fish – pigment adaptability and lens flexibility (Anne Christine Utne Palm). .............................................. 44 12.6 Session 2 – National/Regional overviews of the use of artificial light in fisheries, and any associated research. ............................................... 46 12.6.1 An overview of the use of artificial light in world fisheries (Mike Breen) ........................................................................................... 46 12.6.2 Artificial light in fishing in France (S. Méhault and F. Morandeau) ............................................................................................ 47 12.6.3 Attraction