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Fisheries in Data-Limited Situations

21st Lowell Wakefield Fisheries Symposium

Sheraton Anchorage Hotel
Anchorage, Alaska, USA
October 22–25, 2003

Contact: Sherri Pristash, fyconf@uaf.edu


Preliminary Program
Last updated 17 October 2003.
Schedule subject to change.

Session I: Case studies of fishery failures and successes
Session II: Involvement of fishermen and use of local knowledge
Session III: Stock assessment models
Session IV: Stock assessment surveys and applications
Session V: Indicators of stock health and productivity from limited sampling programs
Session VI: Multispecies and ecosytem indicators and models
Session VII: Precautionary management approaches


Wednesday, 22 October 2003

Registration
7:30 – 8:45 a.m.

Welcome and Introduction
8:50 – 9:20 a.m.

• Brian Allee, Director, Alaska Sea Grant College Program, University of Alaska Fairbanks, Fairbanks, AK

• Gordon Kruse, Organizing Committee Chair, University of Alaska Fairbanks, Fisheries Division, Juneau, AK


Session I—Case studies of fishery failures and successes
9:20 a.m. – 12:00 p.m.

Chair: Gordon Kruse, University of Alaska Fairbanks, Fisheries Division

Overview of World Status of Data-Limited Marine Fisheries
• Marcelo Vasconcellos and Kevern Cochrane, Fishery Resources Division (FIR), Food and Agriculture Organization (FAO) of the U.N., Rome, Italy

Risk-Averse Management of Eulachon (Thaleichthys pacificus) in the Columbia River System
• Greg Bargmann1, John DeVore2, and Bill Tweit1, 1Washington Department of Fish and Wildlife, Olympia, WA; 2Pacific Fishery Management Council, Portland, OR

One Success and Several Failures: Twenty Years of Experience in Fisheries Development
• Trevor J. Kenchington, Gadus Associates, Musquodoboit Harbor, Nova Scotia, Canada

Assessing and Managing Depletion of Recreationally Fished Stocks of Pink Snapper (Pagrus auratus) in Shark Bay, Western, Australia
• P.C. Stephenson and G. Jackson, Department of Fisheries, Western Australian Marine Research Laboratories, North Beach, WA, Australia

The Weathervane Scallop (Patinopecten caurinus) Fishery in Alaska: A Precautionary Management Approach in a Data-Limited Situation
• Gordon H. Kruse, University of Alaska Fairbanks, School of Fisheries and Ocean Sciences, Juneau, AK
• Jeffrey P. Barnhart and Gregg E. Rosenkranz, Alaska Department of Fish and Game, Division of Commercial Fisheries, Kodiak, AK

A Phased Approach to the Development of the Sea Cucumber Fishery in British Columbia, Canada
• Claudia Hand and Dominique Bureau*, Fisheries and Oceans Canada, Pacific Biological Station, Nanaimo, BC, Canada


Lunch
12:00 – 1:20 p.m.

Session II—Involvement of fishermen and use of local knowledge
1:20 p.m. – 3:20 p.m.

Chair: Doug Woodby, Alaska Department of Fish and Game

Using Local Ecological Knowledge as a Data Supplement for Ecosystem Models of the Recent Past
• Cameron H. Ainsworth, University of British Columbia, Fisheries Centre, Vancouver, BC, Canada

The Scotian Shelf Experience with Emerging Bivalve Fisheries
• Dale Roddick, Department of Fisheries and Oceans, Bedford Institute of Oceanography, Dartmouth, Nova Scotia, Canada

Old Data, New Tools: Mining and Integrating Heterogeneous Data Sets for Fishery Management
• Astrid Scholz, Ecotrust California, San Francisco, CA
• Mike Mertens, Debra Sohm, and Charles Steinback, Ecotrust, Portland, OR

Fishery Management through Education: A Foucauldian Perspective on the Diffusion of a Conservation Ethic in the Gustavus, Alaska, Charter Fishery
• Jason Gasper and Marc Miller, University of Washington, School of Marine Affairs, Seattle, WA
• Vincent F. Gallucci, University of Washington, School of Aquatic and Fishery Sciences, Seattle, WA
• Chad Soiseth, Glacier Bay National Park and Preserve, Gustavus, AK
• Darryll Johnson and Jane Swanson, Pacific Northwest Cooperative Ecosystem Studies Unit (PNW-CESU), Seattle, WA

Use of Observer Data in the Development of Management Measures for the Grooved Tanner Crab (Chionoecetes tanneri) Fishery off Alaska
• Ivan Vining and Douglas Pengilly, Alaska Department of Fish and Game, Kodiak, AK


SOCIAL HOUR and POSTER SESSION
4:00– 7:00 p.m.

Session I Posters

Surfperch (Family Embiotocidae) in British Columbia: A Phased Approach for Species of Conservation Concern
• T.W. Therriault1, D.E. Hay1, E.D. Lane2, B. Rusch3, and W. Wulff2, 1Department of Fisheries and Oceans Canada, Pacific Biological Station, Nanaimo, BC, Canada; 2Malaspina University College, Department of Fisheries and Aquaculture, Nanaimo, BC, Canada; 3Department of Fisheries and Oceans, South Coast Division, Nanaimo, BC, Canada

Refining Management for Prince William Sound Sablefish
• William R. Bechtol and Charlie Trowbridge, Alaska Department of Fish and Game, Homer, AK

Session II Posters

Brazilian Recreational Fishery: Is It Possible to Reconstruct It?
• Kátia de M.F. Freire, University of British Columbia, Fisheries Centre, Vancouver, BC, Canada

New Approaches to Red King Crab Stock Assessment in the Western Aleutian Islands
• Karla Granath and Forrest R. Bowers, Alaska Department of Fish and Game, Division of Commercial Fisheries, Dutch Harbor, AK
• Douglas Pengilly and Wayne Donaldson, Alaska Department of Fish and Game, Division of Commercial Fisheries, Kodiak, AK

Implementation of Electronic Reporting in Commercial Fisheries in the Northeast United States
• John F. Witzig, Reginald Howe, and Gregory Power, National Marine Fisheries Service, Northeast Region, Fisheries Statistics Office, Gloucester, MA
• Carl Leoncello, Technological Planning and Management Corporation, Scituate, MA


Thursday, 23 October 2003

Registration
8:00 – 8:30 a.m.


Session III—Stock assessment models
8:40 a.m. – 3:40 p.m.

Co-chairs: Vince Gallucci, University of Washington, and Randall Peterman, Simon Fraser University

A Comparison of Maximum Likelihood and Bayesian Approaches to Stock Assessment When Abundance Data Are Uninformative
• Anthony J. Booth, Rhodes University, Department of Ichthyology and Fisheries Science, Grahamstown, South Africa
• Terrance J. Quinn, University of Alaska Fairbanks, School of Fisheries and Ocean Sciences, Juneau, AK

Rockfish in the Bering Sea/Aleutian Islands: A Review of Current Management and Comparison of Stock Assessment Models for Northern Rockfish
• Paul D. Spencer and James N. Ianelli, National Marine Fisheries Service, Alaska Fisheries Science Center, Seattle, WA

Adding Numbers Landed to Catch Logs: Simulation Comparison of Models Using Only Catch and Effort Data
• Richard McGarvey, Aquatic Sciences, South Australian Research and Development Institute (SARDI), Henley Beach, SA, Australia
• André Punt, University of Washington, School of Aquatic and Fishery Sciences, Seattle, WA
• Janet M. Matthews, Aquatic Sciences, South Australian Research and Development Institute (SARDI), Henley Beach, SA, Australia

FISMO: A Generalized Fisheries Simulation Model
• Ernesto A. Chávez, Centro Interdisciplinario de Ciencias Marinas (CICIMAR), Instituto Politécnico Nacional, La Paz, BCS, México

Three-Stage Catch-Survey Analysis Applied to Blue King Crabs
• Jeremy Collie and Allison DeLong, University of Rhode Island, Graduate School of Oceanography, Narragansett, RI
• Gordon H. Kruse*, University of Alaska Fairbanks, School of Fisheries and Ocean Sciences, Juneau, AK

Are Equilibrium-Derived Estimators Good for Stock Assessment in Data Poor Situations?
• Billy Ernst and Juan L. Valero, University of Washington, School of Aquatic and Fishery Sciences, Seattle, WA

The Relation between Data Availability and Quality and the Level of Assessment Possible
• Malcolm Haddon, Paul Burch, Jeremy Lyle, and Philippe Ziegler, University of Tasmania, Tasmanian Aquaculture and Fisheries Institute, Taroona, Tasmania, Australia

Reverse Senescence and the Assessment of Unexploited Resources
• Trevor J. Kenchington, Gadus Associates, Musquodoboit Harbor, Nova Scotia, Canada


Lunch
12:00 – 1:20 p.m.

Sensitivity of and Bias in Catch-Survey Analysis (CSA) Estimates of Stock Abundance
• Benoit Mesnil, IFREMER-Laboratoire MAERHA, Nantes cedex, France

Length-Based Stock Assessment of Golden King Crabs in the Aleutian Islands Using Multiple Data Sets
• M.S.M. Siddeek, Alaska Department of Fish and Game, Division of Commercial Fisheries, Juneau, AK
• Leslie Watson, David Bernard, and Robert Gish, Alaska Department of Fish and Game, Division of Commercial Fisheries, Kodiak, AK

A New Approach to Dealing with Time-Series Bias in Short Stock-Recruit Data Sets by Using Multi-Stock Hierarchical Modeling
• Zhenming Su, Randall M. Peterman, and Steve Haeseker, Simon Fraser University, School of Resource and Environmental Management, Burnaby, BC, Canada

The Use of Reproductive Potential to Compare Age-Structure Models to Surplus Production Models
• Ian G. Taylor, University of Washington, Quantitative Ecology and Resource Management/School of Aquatic and Fishery Sciences, Seattle, WA
• Vincent F. Gallucci, University of Washington, School of Aquatic and Fishery Sciences, Seattle, WA

Development and Application of Procedures to Assess Abundance and Productivity of Stocks with Little a Priori Information
• Robin Thomson, Commonwealth Scientific and Industrial Research Organization, Marine Research, Hobart, Tasmania, Australia


SOCIAL HOUR and POSTER SESSION
4:00– 7:00 p.m.

Session III Posters

Bayesian Fisheries Stock Assessment in WinBUGS
• Steve Fleischman, David Bernard, and Bob Clark, Alaska Department of Fish and Game, Sport Fish Division, Anchorage, AK

Session IV Posters

Acoustical Estimations Confirm the Good Health of Herring Stock in the Gulf of Riga Assessed by Analytical Models
• Olavi Kaljuste and Tiit Raid, University of Tartu, Estonian Marine Institute, Tallinn, Estonia
• Faust Shvetsov and Guntars Strods, Latvian Fisheries Research Institute, Riga, Latvia

Using Limited Data Sets from Gill Net Sampling in Baltic Flounder (Platichthys flesus) Stock Assessment: An Example of Incorporation of Selectivity Parameters
• Ahto Järvik, Tiit Raid, and Tenno Drevs, University of Tartu, Estonian Marine Institute, Tallinn, Estonia

Session V Posters

Use of a Multi-Stock Mixed-Effects Model for Estimating Optimal Spawning Stock Sizes and Proportional Harvest Rates for Sockeye Salmon
• Steven L. Haeseker, Randall M. Peterman, and Zhenming Su, Simon Fraser University, School of Resource and Environmental Management, Burnaby, BC, Canada

Do Commercial Fishery CPUE Data Reflect Stock Dynamics? A Case of Baltic Herring (Clupea harengus) and Sprat (Sprattus sprattus balticus) in the 1990–2000s
• Tiit Raid, Ahto Järvik, Leili Järv, and Olavi Kaljuste, University of Tartu, Estonian Marine Institute, Tallinn, Estonia

Session VI Posters

Historical Ecosystem Modeling of the Upper Gulf of California: Following a Century of Change
• Hector Lozano-Montes, University of British Columbia, Fisheries Centre, Vancouver, BC, Canada
• Tony J. Pitcher, University of British Columbia, Fisheries Centre, Vancouver, BC, Canada

An Approach Toward Ecosystem-Based Management of Tropical, Multispecies Fisheries off the Southeastern Caribbean and Northeast Brazil
• E. Mohammed and Kátia de M.F. Freire*, University of British Columbia, Fisheries Centre, Vancouver, BC, Canada

Assessing the Effects of Fishing in a Northwest African Setting: Case Studies for Cape Verde and Guinea Bissau
Kim A. Stobberup1, Patricia Amorim*1, Virginia Pires2, and Oksana Tariche3,
1Portuguese Fisheries and Sea Research Institute, Lisbon, Portugal; 2Centro de Investigação Pesqueira Aplicada, Bissau, Guineau-Bissau; 3Instituto Nacional de Desenvolvimento das Pescas, S. Vicente, Cabo Verde

Session VII Posters

MPAS in the Aleutians: A Management Tool for Long-Lived Species in Data-Poor Situations
• Rebecca F. Reuter, NOAA Fisheries, Alaska Fisheries Science Center, Seattle, WA

Estimates of Natural Mortality for Crab Stocks: Data-Limited Situations for Every Stock?
• Jie Zheng, Alaska Department of Fish and Game, Division of Commercial Fisheries, Juneau, AK


Friday, 24 October 2003

Registration
8:00 – 8:30 a.m.


Session IV—Stock assessment surveys and applications
8:40 a.m. – 10:00 a.m.

Chair: Paul Spencer, NOAA Fisheries, Alaska Fisheries Science Center

Evaluation of Scuba Assessment Methods for Shallow-Water Nearshore Black Rockfish
• Michael M. Byerly and William R. Bechtol, Alaska Department of Fish and Game, Homer, AK

Sampling Designs to Estimate Longline Bycatch
• Muktha M. Menon, Vincent F. Gallucci, and Loveday L. Conquest, University of Washington, School of Aquatic and Fishery Sciences, Seattle, WA

Utility of Climate Change in Forecasting Salmon Returns to the Kuskokwim and Yukon Rivers
• S. Kalei Shotwell and Milo D. Adkison, University of Alaska Fairbanks, School of Fisheries and Ocean Sciences, Juneau, AK

Surf Smelt (Hypomesus pretiosus) in Burrard Inlet, British Columbia: Evidence of Recreational Overharvesting?
• T.W. Therriault and D.E. Hay, Department of Fisheries and Oceans Canada, Pacific Biological Station, Nanaimo, BC, Canada


Session V—Indicators of stock health and productivity from limited sampling programs
10:40 – 4:20 p.m.

Co-chairs: Tom Shirley, University of Alaska Fairbanks, Fisheries Division, and Doug Hay, Fisheries and Oceans Canada, Pacific Biological Station

Using Indicator Stocks for In-Season Management of Northern British Columbia Coho Salmon Fisheries
• Sean Cox, Simon Fraser University, School of Resource and Environmental Management, Burnaby, BC, Canada
• Joel Sawada, Department of Fisheries and Oceans, Prince Rupert, BC, Canada

Using Age-at-Maturity Data to Set Salmon Harvest Rates
• Steven L. Haeseker, Randall M. Peterman, and Zhenming Su, Simon Fraser University, School of Resource and Environmental Management, Burnaby, BC, Canada

Biological Indicators for Management of a Data-Limited Fishery for Fraser River Eulachon (Thaleichthys pacificus)
• D.E. Hay1, K. West2, A.D. Anderson1, and D.T. Rutherford1, 1Fisheries and Oceans Canada, Pacific Biological Station, Nanaimo, BC, Canada; 2Fisheries and Oceans Canada, Delta, BC, Canada

Stock Assessment of Lake Trout in Great Bear Lake, Northwest Territories: A Case Study
• K.L. Howland, R.F. Tallman, and K. Mills, Department of Fisheries and Oceans, Freshwater Institute, Winnipeg, MB, Canada


Lunch
12:00 – 1:20 p.m.

Adaptation of Population Modeling for Quahaug (Mercenaria mercenaria) Bottom Culture Management in St. Mary’s Bay (St. Bernard, Nova Scotia, Canada)
• Kevin LeBlanc, Marc Ouellette, and Thomas Landry, Fisheries and Oceans Canada, Mollusc Productivity, Aquaculture Section, Moncton, NB, Canada

Washington State Dogfish Fishery: Management with Limited Data
• Cindy A. Tribuzio and Vincent F. Gallucci, University of Washington, School of Aquatic and Fisheries Sciences, Seattle, WA
• Greg Bargmann, Department of Fish and Wildlife, Olympia, WA

Developing Assessments and Performance Indicators for a Small-Scale Temperate Reef Fish Fishery
• Philippe Ziegler*, Jeremy Lyle, Malcolm Haddon, and Paul Burch, University of Tasmania, Tasmanian Aquaculture and Fisheries Institute, Hobart, Tasmania, Australia

Direct Estimation of Lifetime Egg Production from Length Frequency Data
• Michael R. O’Farrell and Louis W. Botsford, University of California, Department of Wildlife, Fish and Conservation Biology, Davis, CA

Using Envelope Functions to Assess Reproductive Condition in Crab Populations
• Jose (Lobo) Orensanz1, Billy Ernst2*, David Armstrong2, and Ana Parma1, 1Centro Nacional Patagonico, Puerto Madryn, Argentina; 2University of Washington, School of Aquatic and Fishery Sciences, Seattle, WA

Use of CUSUM Quality Control Methods to Monitor Stock Status
• James Scandol, New South Wales Fisheries, Cronulla Fisheries Centre, Cronulla, Australia

Per-Recruit Simulation as a Rapid Assessment Tool for a Multispecies Small-Scale Fishery in Lake Malombe, Malawi, Africa
• Olaf L.F. Weyl and Anthony J. Booth, Rhodes University, Department of Ichthyology and Fisheries Science, Grahamstown, South Africa
• Kissa Mwakiyongo and Moses M. Banda, Fisheries Research Unit, Department of Fisheries, Monkey Bay, Malawi


Saturday, 25 October 2003

Registration
8:00 – 8:30 a.m.


Session VI—Multispecies and ecosytem indicators and models
8:40 – 10:00 a.m.

Chair: Ian Perry, Fisheries and Oceans Canada, Pacific Biological Station

Using Multispecies Constraints to Decrease Rather Than Increase Uncertainty
• Kerim Y. Aydin and Sarah Gaichas*, NOAA Fisheries, Alaska Fisheries Science Center, Seattle, WA
• John Field, University of Washington, Seattle, WA

Constructing Data-Limited Historic Ecosystem Models
• Cameron H. Ainsworth, Tony J. Pitcher, and Sheila J. Heymans, University of British Columbia, Fisheries Centre, Vancouver, BC, Canada

Design of Fisheries Policies That Conserve Marine Biodiversity in a Data-Limited Area: The South China Sea
• Wai Lung (William) Cheung and Tony J. Pitcher, University of British Columbia, Fisheries Centre, Vancouver, BC, Canada

Ecosystem Simulations in Support of the Management of Data-Limited Seamount Fisheries
• Telmo Morato, University of British Columbia, Fisheries Centre, Vancouver, BC, Canada, and Universidade dos Açores, Departamento de Oceanografia e Pescas, Horta, Portugal
• Tony J. Pitcher, University of British Columbia, Fisheries Centre, Vancouver, BC, Canada


Session VII—Precautionary management approaches
10:40 a.m. – 2:40 p.m.

Chair: Bill Wilson, North Pacific Fishery Management Council

Minimum Stock Size Thresholds: How Well Can We Detect Whether Stocks Are below Them?
• Z. Teresa A’mar and André E. Punt, University of Washington, School of Aquatic and Fishery Sciences, Seattle, WA

Evaluating Management Strategies for a Developing Fishery: Application to the Broadbill Swordfish Fishery in the Southwest Pacific
• Robert Campbell and Natalie Dowling, CSIRO Marine Research, Hobart, Tasmania, Australia

To Lump or to Split? Developing Criteria for Management of Species Complexes in Data-Limited Situations
• Sarah Gaichas, National Marine Fisheries Service, Alaska Fisheries Science Center, Seattle, WA
• Jane DiCosimo, North Pacific Fishery Management Council, Anchorage, AK

Assessing the Performance of Fishery Management Systems in the Face of Environmental Uncertainty
• Joshua Sladek Nowlis, Alaska Oceans Network, Berkeley, CA


Lunch
12:00 – 1:20 p.m.

Risk Averse Management Options under Uncertainty
• David J. Welch, James Cook University, School of Marine Biology and Aquaculture, Townsville, Queensland, Australia
• Rod Garrett and Neil Gribble, Northern Fisheries Centre, Queensland Department of Primary Industries, Cairns, Queensland, Australia

Canada's Phased Approach to New and Developing Fisheries: Concept and Practice
• R. Ian Perry1, Rita Purdon2, and Graham Gillespie1, 1Fisheries and Oceans Canada, Pacific Biological Station, Nanaimo, BC, Canada; 2Fisheries and Oceans Canada, Fisheries Management, Vancouver, BC, Canada

The Impact of Recruitment Projections on Rebuilding Rates for Overfished Marine Resources
• André E. Punt, University of Washington, School of Aquatic and Fishery Sciences, Seattle, WA
• Richard D. Methot, NOAA Fisheries, Northwest Fisheries Science Center, Seattle, WA

Optimizing Alaskan Salmon Catch and Escapement with Limited Data
E. Eric Knudsen, USGS, Alaska Science Center, Anchorage, AK

Discussion and closing remarks


* indicates presenter or contact person if not first author


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