Program
The registration desk will be open at 8:00 a.m. Tuesday, October 31, 2006, for you to pick up your name badge and symposium materials. Presentations will begin on Tuesday morning with a keynote presentation by Dr. Odd Nakken, Director Emeritus, Norwegian Institute of Marine Research, and will run through early afternoon on Friday, November 3. There will be a catered reception and poster session on Tuesday afternoon. A light continental breakfast will be available in the meeting room each morning; other meals will be on your own.
* indicates presenter or contact person if not first author
Agenda last modified 02-Aug-2007.
Tuesday, October 31, 2006
Registration and continental breakfast
8:00 a.m. – 9:00 a.m.
Welcome and introductions
9:00 a.m. – 9:20 a.m.
Keynote: Why Do Fish Catches Fluctuate?
Odd Nakken, Norwegian Institute of Marine Research, Bergen, Norway
9:20 a.m. – 10:00 a.m.
Break
10:00 a.m. – 10:20 a.m.
Session I—New Understandings of Gadid Biology and Life History
10:20 a.m. – 12:00 p.m.
Chair: Gordon Kruse, University of Alaska Fairbanks, School of Fisheries and Ocean Sciences, Juneau Center, Juneau, Alaska
Differential Life History Strategies in Pacific Cod Stocks off North America
Olav A. Ormseth and Brenda L. Norcross, University of Alaska Fairbanks, School of Fisheries and Ocean Sciences, Fairbanks, Alaska
Geographic and Interannual Variability of Walleye Pollock Maturity in the Eastern Bering Sea
Jennifer P. Stahl1 and Gordon H. Kruse2, 1Alaska Department of Fish and Game, Juneau, Alaska; 2University of Alaska Fairbanks, Juneau Center School of Fisheries and Ocean Sciences, Juneau, Alaska
Maternal Effects on Reproductive Potential of Pacific Cod in Alaska Waters
Olav A. Ormseth and Brenda L. Norcross, University of Alaska Fairbanks, School of Fisheries and Ocean Sciences, Fairbanks, Alaska
Identification of Pacific Cod Spawning, Gadus macrocephalus
Sandra Neidetcher, NOAA Fisheries, Alaska Fisheries Science Center, Seattle, Washington
Discussion
Lunch
12:00 p.m. – 1:20 p.m.
Poster Session and Reception
1:20 p.m. – 5:00 p.m.
Session I Posters
Features of Walleye Pollock Age Structure in Commercial Catch in the Northern Bering Sea
Elena V. Gritsay, Pacific Research Fisheries Center (TINRO), Vladivostok, Russia
Variability of Walleye Pollock Length-Age Structure in the Eastern and Northern Bering Sea Shelf
Elena V. Gritsay, Pacific Research Fisheries Center (TINRO), Vladivostok, Russia
Condition of Pacific Cod Stocks in the Western Part of the Bering Sea in August-October, 2005
Andrew B. Savin, Pacific Research Fisheries Center (TINRO), Vladivostok, Russia
Testing the Feasibility of Walleye Pollock Live-Capture for Tagging Surveys
Andreas Winter, Robert J. Foy, and Michael Trussell, University of Alaska Fairbanks, Fishery Industry Technology Center, Kodiak, Alaska
Pacific Cod Tagging in the Gulf of Alaska and Eastern Aleutian Islands
Dan Urban, Alaska Department of Fish and Game, Kodiak, Alaska
Importance of the Pacific Cod in the North Pacific Ocean and Studies of its Population Structure
Alexei M. Orlov1 and Andrei N. Stroganov2, 1Russian Federal Research Institute of Fisheries and Oceanography (VNIRO), Moscow, Russia; 2Moscow State University, Biology Department, Moscow, Russia; presented by Alexander Buslov
Session II Posters
(none)
Session III Poster
Results of the Pacific Cod Local Depletion Study
M. Elizabeth Conners, Peter Munro, Elizabeth A. Logerwell, and Sandra Neidetcher, NOAA Fisheries, Alaska Fisheries Science Center, Seattle, Washington
Session IV Posters
Gadid Stocks in the Eastern Sea of Okhotsk: Historical Review and Current State
Oleg G. Zolotov, A.I. Varkentin, A.V. Vinnikov, and O.V. Novikova, Kamchatka Fisheries Research Institute, Petropavlovsk-Kamchatsky, Russia
The Long-Term Stock Abundance Dynamics of Codfishes in the Western Bering Sea
Pavel A. Balykin, Kamchatka Fisheries Research Institute, Petropavlovsk-Kamchatsky, Russia; presented by Alexander Buslov
Estimation of Natural and Fishing Mortality Rates of Pacific Cod in the Eastern Bering Sea with Mark-recapture Data
Yunbing Shi, Peter Munro, M. Elizabeth Conners, and Sandra Neidetcher, NOAA Fisheries, Alaska Fisheries Science Center, Seattle, Washington
Session V Poster
Interannual Change of Immature Pollock Distribution and Climate in the Northern Okhotsk Sea in 1997-2005
G.V. Avdeev, E.E. Ovsyannikov, and S.L. Ovsyannikova, Pacific Research Fisheries Center (TINRO), Vladivostok, Russia
Session VI Posters
Interrelationships among Temperature, Metabolism, Swimming Performance, and Recovery in Pacific Cod (Gadus macrocephalus): Implications of a Changing Climate
S.K. Hanna, A.H. Haukenes, R.J. Foy, and C. Loren Buck, University of Alaska Fairbanks, Fishery Industrial Technology Center, Kodiak, Alaska
An Examination of the Impact of Regime Shifts on the Oceanography of the Northern Gulf of Alaska and Its Influence on the Spatial Distribution and Abundance of Walleye Pollock
Anne B. Hollowed, Elizabeth Logerwell, and Christopher D. Wilson, NOAA Fisheries, Alaska Fisheries Science Center, Seattle, Washington
The Potentially Alarming Impacts of Global Warming on Arctic Cod
Richard J. Beamish and Jackie King, Fisheries and Oceans Canada, Pacific Biological Station, Nanaimo, British Columbia, Canada
Session VII Posters
Lipid and Protein Characteristics of Juvenile Walleye Pollock Related to Prey Availability: Implications of Climate Change on Fish Condition
Lei Guo, Robert J. Foy, Alexandra Oliveira, University of Alaska Fairbanks, School of Fisheries and Ocean Sciences, Kodiak, Alaska
Juvenile Walleye Pollock School Structure and the Environment
Sarah C. Stienessen and Christopher D. Wilson, NOAA Fisheries, Alaska Fisheries Science Center, Seattle, Washington
Variation in the Trophic Level of Pacific Cod with Changes in Size and Season
Dan Urban and Ivan W. Vining, Alaska Department of Fish and Game, Kodiak, Alaska
Session VIII Posters
Approaches to the Exploitation of East Kamchatka Walleye Pollock Stock in Relation to the Peculiarities of Biology, Habitat Conditions, and Population Dynamics
A.V. Buslov and O.B. Tepnin, Kamchatka Fisheries Research Institute, Petropavlovsk-Kamchatsky, Russia
Alternative Management Approach for Aleutian Islands Pollock (Theragra chalcogramma) Using Cooperative Acoustic Surveying
Steven J. Barbeaux, NOAA Fisheries, Alaska Fisheries Science Center, Seattle, Washington
Wednesday, November 1, 2006
Registration and continental breakfast
8:00 a.m. – 8:40 a.m.
Session II—Mechanisms of Fishery Collapse or Resiliency
8:40 a.m. – 11:40 a.m.
Chairs:
8:40 a.m.–10:00 a.m.
Vidar Wespestad, Resource Analysts International, Lynnwood, Washington
10:20 a.m.–11:40 a.m.
Ken Drinkwater, Institute of Marine Research, Bergen, Norway
Cod in the Baltic Sea: Assessment and Management of Ecologically Marginal Cod Stocks
Tiit Raid1 and Maris Plikshs*2, 1University of Tartu, Estonian Marine Institute, Tallinn, Estonia; 2Latvian Fish Resources Agency, Riga, Latvia
Recent Failure of the Baltic Cod Recruitment: Is It Determined by Environmental Regime Change or Overexploitation?
Maris Plikshs1 and Tiit Raid2, 1Latvian Fish Research Agency, Riga, Latvia; 2University of Tartu, Estonian Marine Institute, Tallinn, Estonia
The Two Collapses of Atlantic Cod (Gadus morhua) off Labrador and Eastern Newfoundland: The Roles of Science, Management, Climate, and Luck
George Lilly and Eugene Colbourne, Department of Fisheries and Oceans, St. John's, Newfoundland, Canada
Multi-Decadal Scale Variability in the Baltic Cod Fishery 1550–1850: Evidence and Causes
Brian R. MacKenzie1, Maibritt Bager2, Henn Ojaveer3, and Poul Holm4, 1Danish Institute for Fisheries Research, Department of Marine Ecology and Aquaculture, Charlottenlund, Denmark; 2University of Southern Denmark, Centre for Maritime and Regional History, Esbjerg, Denmark; 3University of Tartu, Estonian Marine Institute, Tallinn, Estonia; 4Roskilde Universitetscenter, Roskilde, Denmark; presented by Margit Eero
Break
10:00 a.m. – 10:20 a.m.
Fishery and Environmental Aspects Relevant for the Decline and Recovery of Atlantic Cod (Gadus morhua) in West Greenland Waters
Holger Hovgård and Kai Wieland, Greenland Institute of Natural Resources, Nuuk, Greenland; presented by George Lilly
Comparison of Cod Stock Dynamics across the Atlantic: What Can They Tell Us about the Causes of Recent Changes?
George Lilly, Brian Rothschild, Svein Sundby, Kai Weiland, Keith Brander, Geir Ottersen, Ken Drinkwater, et al., Department of Fisheries and Oceans, St. John's, Newfoundland, Canada
Growth in Fishes: A Near-Universal Metric
Anna B. Neuheimer and Chris T. Taggart, Dalhousie University, Department of Oceanography, Halifax, Nova Scotia, Canada
Discussion
Lunch
11:40 a.m. – 1:00 p.m.
Session III—Effects of Fishing on Biological and Ecological Attributes
1:00 p.m. – 2:40 p.m.
Chair: Mikhail Stepanenko, Pacific Fisheries Research Center (TINRO-Center), Vladivostok, Russia
Short-Term Effects of Commercial Fishing Activity on the Distributional Pattern of Walleye Pollock
Chris Wilson and Paul Walline*, NOAA Fisheries, Alaska Fisheries Science Center, Seattle, Washington
Interaction between Commercial Fishing and Walleye Pollock in the Eastern Bering Sea
Haixue Shen1, Terrance J. Quinn II1, Vidar Wespestad2, and Matthew Kookesh1, 1University of Alaska Fairbanks, Juneau Center School of Fisheries and Ocean Sciences, Juneau, Alaska; 2Resources Analysts International, Lynnwood, Washington
The Incredible Shrinking Georges Bank Haddock (Melanogrammus aeglefinus)
Jon K.T. Brodziak and Jason S. Link*, NOAA Fisheries, Northeast Fisheries Science Center, Woods Hole, Massachusetts
Pacific Cod (Gadus macrocephalus): Recent Data on Spawning Biology, Movement, and Effects of Commercial Fishing
M. Elizabeth Conners, Peter Munro, Sandra Neidetcher, Yunbing Shi, and Elizabeth A. Logerwell, NOAA Fisheries, Alaska Fisheries Science Center, Seattle, Washington
Discussion
Break
2:40 p.m. – 3:00 p.m.
Session IV—Population Dynamics of Gadids
3:00 p.m. – 4:40 p.m.
Chair: Jim Ianelli, NOAA Fisheries, Alaska Fisheries Science Center, Seattle, Washington
Interannual Variability of Pollock Juvenile and 1 Year Old Abundance and Recruitment in the Bering Sea
Mikhail A. Stepanenko, Pacific Research Fisheries Center (TINRO), Vladivostok, Russia
Fluctuations in Eastern Baltic Cod and Sprat Stocks in the Twentieth Century in Relation to Environmental Variability and Trophic Interactions
Margit Eero1, Brian R. MacKenzie1, Elena Karasiova2, and Friederich W. Köster1, 1Danish Institute for Fisheries Research, Charlottenlund, Denmark; 2Atlantic Research Institute of Marine Fisheries and Oceanography, Kaliningrad, Russia
Feasibility of Estimating Movement within a Spatially Explicit Stock Assessment Model of Eastern Bering Sea Walleye Pollock (Theragra chalcogramma)
Sara E. Miller1, Terrance J. Quinn II1, and James N. Ianelli2, 1University of Alaska Fairbanks, Juneau Center School of Fisheries and Ocean Sciences, Juneau, Alaska; 2NOAA Fisheries, Alaska Fisheries Science Center, Seattle, Washington
Changes in Fecundity in a Stressed Population: Northern Cod (Gadus morhua) off Newfoundland
Susan B. Fudge and George A. Rose, Memorial University of Newfoundland, Fisheries and Marine Institute, St. John's, Newfoundland, Canada
Pcod meets Acod: Population Structure of Pacific Cod and Implications for Biocomplexity
Lorenz Hauser1, Kathryn Cunningham1, Ingrid Spies2, and Mike Canino2, 1University of Washington, School of Aquatic and Fishery Science, Seattle, Washington; 2NOAA Fisheries, Alaska Fisheries Science Center, Seattle, Washington
Thursday, November 2, 2006
Continental breakfast
8:00 a.m. – 8:40 a.m.
Session IV (continued)
8:40 a.m. – 9:40 a.m.
Survey Design Evaluation: Incorporating Juvenile Indices into Assessment and Forecasts of Pacific Hake Abundance
Steven J.D. Martell1 and Thomas E. Hesler2, 1Univerisity of British Columbia, Fisheries Centre, Vancouver, British Columbia, Canada; 2NOAA Fisheries, Northwest Fisheries Science Center, Seattle, Washington
Rebuilding Atlantic Cod: Lessons from a Spawning Ground in Coastal Newfoundland
G.A. Rose, I.R. Bradbury, B. deYoung, S.B. Fudge, G.L. Lawson, L.G.S. Mello, R. Rideout, D.R. Robichaud, G. Sherwood, P.V.R. Snelgrove, and M.J.S. Windle, Memorial University of Newfoundland, Fisheries and Marine Institute, St. John's, Newfoundland, Canada
Discussion
Break
9:40 a.m. – 10:00 a.m.
Session V—Biophysical Mechanisms of Recruitment Variability
10:00 a.m. – 11:00 a.m.
Chair: George Lilly, Department of Fisheries and Oceans, Northwest Atlantic Fisheries Centre, Newfoundland, Canada
Atlantic Cod Recruitment: A Comparative Approach
Friederich W. Köster1, Michael J. Fogarty2, Karin Hüssy1, and Christian Möllmann1, 1Danish Institute for Fisheries Research, Charlottenlund, Denmark; 2NOAA Fisheries, Northeast Fisheries Science Center, Woods Hole, Massachusetts; presented by Margit Eero
Recruitment Dynamics in Gadoid and Clupeid Stocks in the North Atlantic: Disentangling the Effect of Adult Biomass and Temperature
M. Cardinale, Joakim Hjelm, and Michele Casini, Institute of Marine Research, Swedish Board of Fisheries, Lysekil, Sweden; presented by Maris Plikshs
Discussion
Session VI—Effects of Climate and Oceanography on Gadids, Their Predators, and Prey
11:00 a.m. – 2:40 p.m.
Chair: Jason Link, NOAA Fisheries, Northeast Fisheries Science Center, Woods Hole, Massachusetts
Recent Trends in Pacific Hake (Merluccius productus) Recruitment Dynamics, Response to Ocean Warming or Natural Variation?
Vidar G. Wespestad, Pacific Whiting Conservation Cooperative, Lynnwood, Washington
Comparing the Response of Atlantic Cod Stocks to the Warming Periods of the 1920s–1930s and the 1990–2000s
Ken Drinkwater, Institute of Marine Research, Bergen, Norway
Reduced Capelin (Mallotus villosus) Growth and Condition with Changes in Zooplankton Consumption in the Northwest Atlantic
Shannon G. Obradovich and George A. Rose, Memorial University of Newfoundland, Fisheries and Marine Institute, St. John's, Newfoundland, Canada
Lunch
12:00 p.m. – 1:20 p.m.
Session VI (continued)
1:20 p.m. – 2:40 p.m.
Recent Changes in Capelin (Mallotus villosus) Biology in the Northwest Atlantic: Possible Causes and Implications
James Carscadden, Fran Mowbray, and Brian Nakashima, Department of Fisheries and Oceans, St. John's, Newfoundland, Canada
A Comparison of Changes in Distribution of Capelin (Mallotus villosus), a Major Prey Item for Cod, in the Barents Sea, around Iceland and in the Northwest Atlantic
James Carscadden1, Harald Gjosaeter2, Hjalmar Vilhjalmsson3, and Fran Mowbray1, 1Department of Fisheries and Oceans, St. John's, Newfoundland, Canada; 2Institute of Marine Research, Bergen, Norway; 3Marine Research Institute, Reykjavik, Iceland
Processes Affecting the Productivity of Pollock and Capelin in the Gulf of Alaska
Elizabeth A. Logerwell, Janet T. Duffy-Anderson, and Matthew T. Wilson, NOAA Fisheries, Alaska Fisheries Science Center, Seattle, Washington
Discussion
Break
2:40 p.m. – 3:00 p.m.
Session VII—Role of Gadids in Ecosystem Structure and Dynamics
3:00 p.m. – 4:00 p.m.
Chair: Doug Woodby, Alaska Department of Fish and Game, Division of Commercial Fisheries, Juneau, Alaska
Energetic Requirements of Walleye Pollock and Pacific Cod in Response to Temperature and Prey Variability: Implications of Climate Change
Robert J. Foy, Alf Haukenes, Loren Buck, and Shannon Hanna, University of Alaska Fairbanks, Fishery Industry Technology Center, Kodiak, Alaska
Ontogenetic and Temporal Variation of Feeding Niche in an Unexploited Population of Walleye Pollock (Theragra chalcogramma)
Thomas C. Kline Jr., Prince William Sound Science Center, Cordova, Alaska
Essential Larval and Juvenile Fish Habitat in Nearshore Waters of Kachemak Bay, Alaska
Joel A. Markis, University of Alaska Fairbanks, Juneau Center School of Fisheries and Ocean Sciences, Fairbanks, Alaska
Friday, November 3, 2006
Continental breakfast
8:00 a.m. – 8:40 a.m.
Session VII (continued)
8:40 a.m. – 10:00 a.m.
Investigations into the Role of Walleye Pollock as Predator and Prey in the Prince William Sound Ecosystem
Richard E. Thorne, Prince William Sound Science Center, Cordova, Alaska
The Dynamic Role of Pollock (Pollachius virens) in the Northeast U.S. Atlantic Ecosystem
Jason S. Link, NOAA Fisheries, Northeast Fisheries Science Center, Woods Hole, Massachusetts
Application of the Wisconsin Bioenergetics Model to Georges Bank and Gulf of Maine Atlantic Cod Populations
Ivan Mateo, University of Rhode Island, Department of Fisheries, Animal and Veterinary Science, Kingston, Rhode Island
Discussion
Break
10:00 a.m. – 10:20 a.m.
Session VIII—Fishery Management and Rebuilding Strategies
10: 20 a.m. – 11:40 p.m.
Chair: Diana Stram, North Pacific Fishery Management Council, Anchorage, Alaska
Retrospective Analyses of Eastern Bering Sea Pollock for Efficient Design of Management Strategy Evaluations
James Ianelli, NOAA Fisheries, Alaska Fisheries Science Center, Seattle, Washington
The Management Strategy Evaluation Approach and the Fishery for Walleye Pollock in the Gulf of Alaska
Z. Teresa A'mar1, André E. Punt2, and Martin W. Dorn3, 1University of Washington, Quantitative Ecology and Resource Management, Seattle, Washington; 2University of Washington, School of Aquatic and Fishery Sciences, Seattle, Washington; 3NOAA Fisheries, Alaska Fisheries Science Center, Seattle, Washington
Issues in Marine Stewardship Council Certification of Walleye Pollock
Martin Dorn, NOAA Fisheries, Alaska Fisheries Science Center, Seattle, Washington
Discussion
Symposium conclusion/wrap-up
11:40 a.m. – 12:00 p.m.
* indicates presenter or contact person if not first author
