Agenda

The registration desk will be open at 7:30 a.m. on Tuesday, March 10, 2009, for you to pick up your name badge and symposium materials. Presentations will begin on Tuesday morning with a keynote presentation by Dr. David Armstrong, University of Washington, School of Aquatic and Fishery Sciences, and will run through noon on Friday, March 13. There will be a poster session on Tuesday afternoon and a catered reception that evening. A light continental breakfast will be available in the meeting room each morning; other meals will be on your own.

Tuesday, March 10, 2009
7:30–8:30 a.m. Registration and coffee
8:30–8:40 a.m.

Welcome
8:40–9:20 a.m.

Keynote Address:
A Crab for All Seasons: The Confluence of Fisheries and Climate as Drivers of Crab Abundance and Distribution

David Armstrong, University of Washington, School of Aquatic and Fishery Sciences

Session I: Abundance and Distribution

Session Chair: Gordon Kruse
9:20–9:40 a.m.

Density-Dependent, Density-Independent, and Ontogenic Factors Controlling Juvenile and Adult Snow Crab (Chionoecetes opilio) Spatial Distribution in the Eastern Bering Sea

James T. Murphy, University of Washington, School of Aquatic and Fishery Sciences
9:40–10:00 a.m.

A First Look at CamSled Images of Bering Sea Chionoecetes opilio Crabs

Gregg Rosenkranz, Alaska Department of Fish and Game
10:00–10:20 a.m. Break and poster setup
10:20–10:40 a.m.

A Tagging Study of Male Snow Crab (Chionoecetes opilio) in the Eastern Bering Sea: Influences on Summer-Winter Movement Patterns and Implications for Fishery Management

Douglas Pengilly, Alaska Department of Fish and Game
10:40–11:00 a.m.

Temperature Preference and the Development of a Habitat Index for Snow Crabs (Chionoecetes opilio) in the Southern Gulf of St. Lawrence

J. Marcil, Department of Fisheries and Oceans Canada, Gulf Fisheries Centre
11:00–11:20 a.m.

Informing Managers: Assessment of Blue Crab Spawning Stock

Daniel Rittschof, Duke University Marine Laboratory
11:20–11:40 a.m.

Predicting Effects of Climate Change on Blue Crab Demography

Anson H. Hines, Smithsonian Environmental Research Center
11:40 a.m.–12:00 p.m.

Historical Perspective on the Habitat, Behavior, and Ecology of Red King Crab in Bristol Bay, Alaska

C. Braxton Dew, NOAA Fisheries, Alaska Fisheries Science Center
12:00–1:40 p.m. Lunch and poster setup

Session 2: Measurement of Disease and Effects of Environmental Stressors

Session Chair: Robert Foy
1:40–2:00 p.m.

Climate Change and Disease in Marine Ecosystems: How Large a Problem?

J. Frank Morado, NOAA Fisheries, Alaska Fisheries Science Center
2:00–2:20 p.m.

Evaluation of Bitter Crab Disease in Tanner Crabs (Chionoecetes bairdi) in Southeast Alaska

Julie Bednarski, Alaska Department of Fish and Game
2:20–2:40 p.m.

Metabolic Hormones in Tanner Crab as Indicators of Environmental Stress

Sherry Tamone, University of Alaska Southeast
2:40–3:00 p.m.

Discussion, Sessions 1 and 2
3:00–5:00 p.m.

Break and Poster Session
5:30–7:30 p.m.

Reception for 25th Wakefield Symposium Celebration

Poster session continues

Wednesday, March 11, 2009

Session 3: Reproduction and Size at Maturity

Session Chair: Bernard Sainte-Marie
8:40–9:00 a.m.

Temperature-Dependent Gradient of Size at Terminal Molt in Snow Crab (Chionoecetes opilio) in West Greenland Waters

AnnDorte Burmeister, Greenland Institute of Natural Resources
9:00–9:20 a.m.

Temperature-Sensitive Window of Receptivity of Female Snow Crab at Maturity Molt

Bernard Sainte-Marie, Fisheries and Oceans Canada, Maurice Lamontagne Institute
9:20–9:40 a.m.

Sperm Reserves of Primiparous Snow Crab (Chionoecetes opilio) in the Eastern Bering Sea

Laura M. Slater, Alaska Department of Fish and Game
9:40–10:00 a.m.

Variations in Size at Maturity of Male Snow Crab (Chionoecetes opilio) as a Measure of Exploitation Rates

Ben Zisserson, Bedford Institute of Oceanography
10:00–10:20 a.m.

Informing Managers: Spawning Biology of Blue Crabs

M. Zachary Darnell, Duke University Marine Laboratory
10:20–10:40 a.m. Break
10:40–11:00 a.m.

Reproductive Timing of Bristol Bay Red King Crab and the Cold Pool Intrusion

Elizabeth A. Chilton, NOAA Fisheries, Alaska Fisheries Science Center
11:00–11:20 a.m.

Variability and Measurement of Alaska Red King Crab Fecundity

Katherine M. Swiney, NOAA Fisheries, Alaska Fisheries Science Center
11:20–11:40 a.m.

Environmental and Potential Fishing Effects on the Size at Maturity of Tanner Crab throughout Southeast Alaska

Chris Siddon, Alaska Department of Fish and Game
11:40 a.m.–12:00 p.m.

Geographic Variability in Reproductive Potential and Assessment of Indicators of Recent Mating in Tanner Crab (Chionoecetes bairdi) in Southeastern Alaska

Joel Webb, Alaska Department of Fish and Game
12:00–12:20 p.m.

Discussion, Session 3
12:20–2:00 p.m. Lunch

Session 4: Life History, Habitat Use and Predation

Session Chair: Ginny Eckert
2:00–2:20 p.m.

Phylogeography of the Snow Crab: When the Pacific Meets the Atlantic

Jean-Marie Sevigny, Fisheries and Oceans Canada, Maurice Lamontagne Institute
2:20–2:40 p.m.

Molecular Phylogeny and Population Genetics of Red Snow Crab and Triangle Tanner Crab

Noriko Azuma, Hokkaido University, Graduate School of Fisheries, Japan
2:40–3:00 p.m.

Larval Transport of Brachyuran Crabs within Kachemak Bay

Megan Murphy, University of Alaska Fairbanks, and Kachemak Bay Research Reserve
3:00–3:20 p.m. Break
3:20–3:40 p.m.

Wind-Forced Recruitment Dynamics of the Blue Crab (Callinectes sapidus)

Matthew B. Ogburn, Savannah State University
3:40–4:00 p.m.

Seasonal Predation of Pacific Cod on Tanner Crab in Marmot Bay, Alaska

Dan Urban, NOAA Fisheries, Alaska Fisheries Science Center
4:00–4:20 p.m.

Atlantic Cod and Snow Crab Predator-Prey Size Relationship in the Gulf of St. Lawrence, Canada

Denis Chabot, Institut Maurice-Lamontagne
4:20–4:40 p.m.

The Influence of Climatic Variations and Ecosystem Change upon the Distribution and Abundance of Snow Crab

Jae S. Choi, Fisheries and Oceans Canada, Bedford Institute of Technology

Thursday, March 12, 2009

Session 4 (continued)
8:40–9:00 a.m.

Optimal Nursery Habitat for Alaska Red King Crab (Paralithodes camtschaticus): Biogenic Habitats Provide Food and Shelter

Jodi L. Pirtle, University of Alaska Fairbanks, School of Fisheries and Ocean Sciences
9:00–9:20 a.m.

Projecting Effects of Climate Change on Nursery and Foraging Habitats of the Blue Crab in Chesapeake Bay

Romuald Lipcius, Virginia Institute of Marine Science, Department of Fisheries Science
9:20–9:40 a.m.

Discussion, Session 4

Session 5: Stock- and Environment-Recruitment Relationships

Session Chair: Rom Lipcius
9:40–10:00 a.m.

Decline in Blue Swimmer Crab (Portunus pelagicus) Stocks in Cockburn Sound, Western Australia: History, Contributing Factors, and Potential Future Management Strategies

D. Johnston, Department of Fisheries, Western Australian Fisheries and Marine Research Laboratories
10:00–10:20 a.m.

Effects of Ocean Climate Variability on Abundance of Snow Crab (Chionoecetes opilio) on the Newfoundland-Labrador Shelf

Earl Dawe, Fisheries and Oceans Canada, Science Branch
10:20–10:40 a.m. Break
10:40–11:00 a.m.

The Rise and Fall of Kings: Do Climate-Mediated Changes in Hatch Timing Control the Abundance of Red King Crabs?

Bradley G. Stevens, University of Massachusetts Dartmouth, School of Marine Science and Technology
11:00–11:20 a.m.

Factors Affecting Red King Crab Recruitment around Kodiak Island, Alaska

William R. Bechtol, University of Alaska Fairbanks, School of Fisheries and Ocean Sciences
11:20–11:40 a.m.

A Scenario Approach to Forecast Potential Impacts of Climate Change on Red King Crabs in the Eastern Bering Sea

Gordon H. Kruse, University of Alaska Fairbanks, School of Fisheries and Ocean Sciences
11:40 a.m.–12:00 p.m.

Relationship of Environmental Influences and Management Measures on the Recovery of a Nova Scotia Snow Crab Fishery

Michael Eagles, Fisheries and Oceans Canada
12:00–12:20 p.m.

Discussion, Session 5
12:20–2:00 p.m. Lunch

Session 6: Stock Enhancement and Culture

Session Chair: Douglas Woodby
2:00–2:20 p.m.

Field Assessment of the Feasibility of Enhancing Chesapeake Blue Crab Stock

Anson H. Hines, Smithsonian Environmental Research Center
2:20–2:40 p.m.

Maintenance of Red King Crab Stocks in the North Pacific Using Mariculture Methods

N.P. Kovatcheva, Russian Federal Research Institute of Fisheries and Oceanography
2:40–3:00 p.m.

King Crab Aquaculture and Enhancement in Alaska

Ginny L. Eckert, University of Alaska Fairbanks, School of Fisheries and Ocean Sciences
3:00–3:20 p.m.

Effects of Diet, Stocking Density, and Substrate on Survival and Growth of Hatchery-Cultured King Crab (Paralithodes camtschaticus) Juveniles in Alaska, USA

Benjamin Daly, University of Alaska Fairbanks, School of Fisheries and Ocean Sciences
3:20–3:40 p.m. Break
3:40–4:00 p.m.

Assessment of Diet and Water Source on Cultivation of Red King Crab (Paralithodes camtschaticus) Larvae

Sara Persselin, NOAA Fisheries, Alaska Fisheries Science Center
4:00–4:20 p.m.

Food for Naught: Findings in Biochemical Analysis of Red and Blue King Crab Larvae

Celeste Leroux, University of Alaska Fairbanks, School of Fisheries and Ocean Sciences
4:20–4:40 p.m.

Discussion, Session 6

Friday, March 13, 2009

Session 7: Stock Assessment and Fishery Management

Session Chair: Diana Stram
9:00–9:20 a.m.

Profile of the Northern Territory Mud Crab Fishery: Management and Recent Research

Mark Grubert, Northern Territory Department of Regional Development, Fisheries Group
9:20–9:40 a.m.

Impacts of Natural Mortality Uncertainty on Crab Stock Assessment and Fisheries Management: A Case Study for Norton Sound Red King Crab

Jie Zheng, Alaska Department of Fish and Game

 
9:40–10:00 a.m.

Red King Crab (Paralithodes camtschaticus) in the Russian Seas: Modern Problems of Management and Stock Assessment

Vasily Sokolov, Russian Federal Research Institute of Fishery and Oceanography (VNIRO)
10:00–10:20 a.m.

Insights Gained from an Application of the Change-in-Ratio Method of Population Estimation to Dungeness Crab Stocks in Several Areas of Southeast Alaska

Gretchen H. Bishop, Alaska Department of Fish and Game
10:20–10:40 a.m. Break
10:40–11:00 a.m.

The New Precautionary Control Rules for Bering Sea and Aleutian Islands Crab Fisheries Management

M.S.M. Siddeek, Alaska Department of Fish and Game
11:00–11:20 a.m.

Discussion, Session 7
11:20 a.m.–12:00 p.m.

Summary