ICES-Working Group on Fisheries Acoustics, Science and Technology

Meeting Agenda 20-23 April 2004

DRAFT (8 April 2004)

Sea Fisheries Institute (Demel Room)

Gdynia, Poland

Dr David Demer, USA, Chair

April 20th

0900 Opening: host greeting, adoption of agenda, selection of rapporteur FAST Topic 1: Effectiveness of noise-reduced platforms (topic discussion leaders: Alex De Robertis and Ian H. McQuinn) 0930 Ron Mitson (presented by Paul G. Fernandes). “Underwater noise; a brief history of noise in fisheries.” (topic review) 1000 Paul G. Fernandes, Andrew S. Brierley, and F. Armstrong. “Examination of herring at the surface of the North Sea.” 1020 Coffee break 1040 Grazyna Grelowska and Ignacy Gloza. “The acoustic transmissions of a moving ship and a grey seal.” 1100 Pall Reynisson. “Noise reduced vessels; the Icelandic experience.” 1120 Janusz Burczynski. “New Deployment Options for Digital Sonar.” 1140 Martyn Simmons or Steve Goodwin. “TONES - an overview” 1200 Lunch 1330 Ron Mitson (presented by D. Van Holliday). “Does ICES CRR 209 need revision?” 1350 Discussion (topic discussion leaders: Alex De Robertis and Ian H. McQuinn) FAST Topic 2: Using acoustics for evaluating ecosystem structure, with emphasis on species identification (topic discussion leaders: Rudy Kloser and Rolf Korneliussen) 1430 John Horne. “Challenges and trends in acoustic species identification.” (topic review) 1500 Coffee break 1520 Michael Jech and William Michaels. “Multi-frequency analyses of acoustical survey data.” 1540 Paul G. Fernandes. “Determining the quality of a multifrequency identification algorithm.” 1600 A. Mair and Paul G. Fernandes. “Examination of plankton samples in relation to multifrequency echograms.” 1620 Valerie Mazauric and Laurent Berger. “The numerical tool OASIS for echograms simulation.” 1640 Valerie Mazauric and John Dalen. “A Multibeam Echosounder and a Multibeam Sonar based on Simrad’s new Scientific Multibeam Systems.” 1710 Rolf J. Korneliussen. “Recommendations for collection of acoustic multi-frequency data to be used for generation of combined-frequency data.” 1730 Adjourn TBD “Status on the ER60/EK60 and further plans”

April 21st

FAST Topic 2 (continued): Using acoustics for evaluating ecosystem structure, with emphasis on species identification (topic discussion leaders: Rudy Kloser and Rolf Korneliussen) 0900 Rolf J. Korneliussen, Egil Ona, Hans P. Knudsen, K. Røang, I. K. Elliassen, Y. Heggelund and D. Patel. “KORONA; a toolbox for acoustic categorisation and species identification.” 0920 Rolf J. Korneliussen, Egil Ona, and Natalia Gorska. “Verified acoustic identification of Atlantic mackerel.” 0940 Kjell Kr. Olsen and Geir Antonsen. “Broadband echo signals used for species identification.” 1000 James H. Churnside, David A. Demer, John R. Hunter, Jr., and David A. Griffith. “Improved efficiency in direct sampling and species identification by incorporating LIDAR into echo sounder and trawl surveys.” 1020 Coffee break 1040 Rudy Kloser, Nick Mortimer and Tim Ryan. “Echo-system to ecosystem, progress and challenges to date.” 1100 Anne Lebourges-Dhaussy, “TBD” 1120 Discussion (topic discussion leaders: Rudy Kloser and Rolf Korneliussen) 1200 Lunch FAST Topic 3: Topic 3 Statistical characterisation and utilisation of target strength. (topic discussion leaders: John Horne and Gavin Macaulay) 1330 David Demer, Stéphane Conti, and Andrew Brierley. “Considering target strength as a stochastic variable.” (topic review) 1400 Joanna Szczucka. “Diel vertical migration and target strength variability observed via multi- hour echosounding conducted at a fixed point.” 1420 Marek Moszyski, Krzysztof Bikonis, and Andrzej Stepnowski. “Virtual reality 3D visualisation of fish movement from split-beam data.” 1440 Geir Pedersen and Egil Ona. “Calibration of split-beam echo sounders; models for beam pattern correction.” 1500 Coffee Break 1520 Xianyong Zhao. “Depth dependence of the target strength of anchovy measured in situ.” 1540 Egil Ona, I. Svellingen, J.E. Fosseidengen, and R. Pedersen. ”Seasonal variability in the acoustic target strength of cod.” 1600 Hector Peña A. “Target strength investigations on Chilean Jack Mackerel (Trachurus symmetricus murphyi) from commercial vessels equipped with a scientific echosounder.” 1620 Pavel Gasyukov and Svetlana M. Kasatkina, “Sensitivity study of some methods of target strength equation parameters estimation.” 1640 Discussion (topic discussion leaders: John Horne and Gavin Macaulay) 1730 Adjourn

April 22nd

0900 FAST/FTFB Opening FAST/FTFB Joint Session Topic 1: The questions raised at the ICES Symposium on Fish Behaviour in Exploited Ecosystems, held in Bergen in June 2003. 0920 Steve Walsh, “The questions raised at the ICES Symposium on Fish Behaviour in Exploited Ecosystems, held in Bergen in June 2003.” 0940 Discussion FAST/FTFB Joint Session Topic 2: Methods for estimating abundance of semi-demersal species, including combining trawl and acoustic estimates 1000 Andrzej Orlowski. “Acoustic revision of fish distribution and its correlation to environmental factors in the demersal zone.” 1020 Coffee break 1040 Ian H. McQuinn and Pierre Nellis. “A combined acoustic/trawl survey of lake (Acipenser fulvescens) and Atlantic (A. oxyrhynchus) sturgeon." 1100 Noël Diner and Laurent Berger. “Trawled layers echo-integration: a tool for improving fish identification by a trawl.” 1120 Carla Scalabrin, Patrick Danel and Laurent Berger. “Relationship between bottom trawl results and acoustic density estimates of trawled sample volume.” 1140 Svetlana M. Kasatkina. “Some methodological problems of quantitative assessment of semi- pelagic fishes (by the example of icefish survey results).” 1200 Lunch 1330 Discussion FAST/FTFB Joint Session Topic 3: Methods to observe fish behaviour in relation to fishing gears. 1400 Alex De Robertis and Christopher Wilson, “Do walleye pollock react to trawling operations?” 1420 Yvan Simard and Nathalie Roy. “Distant shipping noise: Should fish care?” 1440 Discussion 1500 Coffee break 1520 TBD. “Report from the SG on survey gears for use in southern and western areas.” 1550 Ken Weinberg, “Variations in trawl geometry due to unequal warp length.” 1610 Stan Kotwiki, “The effect of autotrawl on the bottom – tending performance of a survey trawl.” 1630 AOB; recommendations and conclusion 1730 Adjourn

April 23rd

FAST Topic 4: Error assessment for acoustic biomass estimates (topic discussion leader: John Simmonds) 0900 David Demer. “Estimating uncertainty in acoustical surveys.” (topic review) 0920 Cathy Goss. “Sources of uncertainty in annual surveys for Antarctic krill.” 0940 Dezhang Chu, Peter H. Wiebe, Gareth L. Lawson, Nancy J. Copley. “Error assessment for acoustic biomass estimates.” 1000 Robert Kieser and Lars Nonboe Andersen. “Signal processing at low sample rate and its possible effect on EK60 calibration, TS measurement and resampling of its sample data.” 1020 Coffee break 1040 Tim Ryan and Rudy Kloser. “Improving the precision of ES60 and EK60 echo sounder applications.” 1100 John Simmonds. “Spatial effort allocation for a complex survey objective.” 1120 Discussion (topic discussion leader: John Simmonds) 1200 Lunch 1330 Discussion continued (topic discussion leader: John Simmonds) 1350 John Anderson. “Review of the report of the Study Group on Acoustic Seabed Classification (SGASC).” 1410 Bill Karp. “Review of the report of the Study Group on Acoustics on Fishing Vessels (SGAFV).” 1430 Bo Lundgren. “Review of the report of the Study Group on Baltic Herring TS (SGTSEB).” 1440 David Reid. “Review of the report of the Planning Group on HAC common data exchange format (PGHAC).” 1500 Coffee Break 1520 2005 WGFAST; ToR and venue. 1540 ICES ASC Theme Sessions; 2004-2007. 1610 2007 Symposium on Fisheries Acoustics and Complementary Assessment Technologies; title, topics, committee, and venue. 1700 AOB; recommendations and conclusion 1730 Adjourn