Report of the Ices-Fao Working Group on Fishing Technology and Fish Behaviour (Wgftfb)
Total Page:16
File Type:pdf, Size:1020Kb
ICES WGFTFB REPORT 2006 ICES FISHERIES TECHNOLOGY COMMITTEE ICES CM 2006/FTC:06, REF. ACFM REPORT OF THE ICES-FAO WORKING GROUP ON FISHING TECHNOLOGY AND FISH BEHAVIOUR (WGFTFB) 3–7 APRIL 2006 IZMIR, TURKEY 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. 2006. Report of the ICES-FAO Working Group on Fishing Technology and Fish Behaviour (WGFTFB), 3–7 April 2006, Izmir, Turkey. ICES CM 2006/FTC:06, Ref. ACFM. 180 pp. For permission to reproduce material from this publication, please apply to the General 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. © 2006 International Council for the Exploration of the Sea. ICES WGFTFB Report 2006 i | Contents 1 Executive summary ................................................................................................. 1 2 Directive.................................................................................................................... 3 3 Introduction ............................................................................................................. 3 3.1 Terms of Reference ......................................................................................... 3 3.2 Participants ...................................................................................................... 4 3.3 Explanatory note on meeting and report structure........................................... 4 4 WGFTFB advice during 2005–2006....................................................................... 5 4.1 Ad hoc Group dealing with request from the European Commission on electric beam trawls......................................................................................... 5 4.1.1 General overview and presentation of principal findings ................... 5 4.1.2 Terms of Reference............................................................................. 5 4.1.3 Current status...................................................................................... 6 4.1.4 Recommendations............................................................................... 7 4.1.5 Discussion........................................................................................... 7 4.2 Issues raised by the FTC Chair........................................................................ 7 4.2.1 Discussion on scientific committees................................................... 7 4.2.2 WG meetings in non-ICES countries.................................................. 8 4.2.3 Organisation FTC – Joint WG Session:.............................................. 8 5 Presentation of the Activities of Study group on Unaccounted Fishing Mortality’s................................................................................................................ 8 5.1 Executive Summary......................................................................................... 8 6 SELDAT Database status and future needs .......................................................... 9 6.1 General overview............................................................................................. 9 6.2 General Discussion.......................................................................................... 9 7 WGFTFB Website and mailing list status and future........................................ 10 7.1 General overview........................................................................................... 10 8 WWF Smart Gear Competition ........................................................................... 10 9 ToR a): Size and species selection issues with pelagic trawls............................. 10 9.1 General overview and presentation of principal findings .............................. 10 9.1.1 Terms of Reference........................................................................... 11 9.1.2 Abstract............................................................................................. 11 9.1.3 Participants ....................................................................................... 12 9.1.4 Recommendations............................................................................. 13 9.1.5 Discussion......................................................................................... 13 9.2 Individual presentations................................................................................. 14 9.2.1 Recent research into pelagic trawling in Iceland .............................. 14 9.2.2 Bycatch reduction in the Norwegian herring fishery ........................ 14 9.2.3 Bycatch reduction in the Faroese pelagic trawl fishery for blue whiting.............................................................................................. 16 9.2.4 Marine Mammal bycatch reduction – EU Necessity project ............ 17 10 ToR b): WGFTFB Advice for assessment working groups and ACFM ........... 18 10.1 General overview and presentation of principal findings .............................. 18 10.1.1 Terms of Reference........................................................................... 18 ii | ICES WGFTFB Report 2006 10.1.2 Abstract............................................................................................. 18 10.1.3 General Issues................................................................................... 18 10.2 Information for Individual Assessment Working Groups.............................. 23 10.3 Selectivity Data.............................................................................................. 23 10.3.1 Participants ....................................................................................... 23 10.3.2 Recommendations............................................................................. 23 10.4 STECF Sub Group on Fishing Effort – a connection to gear technology...... 24 10.5 Continued WGFTFB input in Assessment Working Groups......................... 24 10.5.1 Discussion......................................................................................... 24 10.5.2 Conclusions....................................................................................... 25 11 ToR c): Alternative fishing gears ......................................................................... 25 11.1 General overview and presentation of principal findings .............................. 25 11.1.1 Terms of Reference........................................................................... 25 11.1.2 Participants ....................................................................................... 27 11.1.3 Recommendations............................................................................. 27 11.2 Individual presentations................................................................................. 27 11.2.1 The ideal gear ................................................................................... 27 11.2.2 Cod potting in Massachusetts, USA ................................................. 28 11.2.3 Observations of cod pots in the Faroe Islands .................................. 29 12 ToR d): Multiple size selection devices in towed gears....................................... 30 12.1 General overview and presentation of principal findings .............................. 30 12.1.1 Terms of Reference........................................................................... 30 12.1.2 Abstract............................................................................................. 30 12.1.3 Participants ....................................................................................... 31 12.1.4 Recommendations............................................................................. 31 13 ToR e): Gear classification.................................................................................... 32 13.1 General overview and presentation of principal findings .............................. 32 13.1.1 Terms of Reference........................................................................... 32 13.1.2 Abstract............................................................................................. 32 13.1.3 Participants ....................................................................................... 33 13.1.4 Recommendations............................................................................. 33 13.1.5 Discussion......................................................................................... 34 14 ToR f): Ad hoc group on Issues affecting Turkish Fisheries ............................. 34 14.1 General overview and presentation of principal findings .............................. 34 14.1.1 Terms of Reference........................................................................... 34 14.1.2 Abstract............................................................................................. 34 14.1.3 Participants ....................................................................................... 36 14.1.4 Recommendations............................................................................. 36 14.1.5 Discussion......................................................................................... 36 15 Other requests to WGFTFB ................................................................................