Table of Contents

• IPHC research program: Review of 2009 projects and proposals for 2010 - IPHC Staff

The Fishery

• 2009 commercial fishery and regulation changes - Heather L. Gilroy, Lara M. Hutton, and Kirsten A. MacTavish
• 2009 Halibut sport fishery review - Gregg H. Williams
• Wastage of halibut in the commercial halibut fishery - Heather L. Gilroy and Steven R. Hare
• The personal use harvest of Pacific halibut through 2009 - Gregg H. Williams
• Retention of U32 halibut in the 2009 Area 4D/4E CDQ fishery- Gregg H. Williams

Sampling and analysis

• Commercial catch sampling - Lara M. Hutton and Kirsten A. MacTavish
• Age distribution of the commercial halibut catch for 2009 - Joan E. Forsberg
• Halibut sport fishery length distributions - Gregg H. Williams

Population Assessment

• Assessment of the Pacific halibut stock at the end of 2009 - Steven R. Hare (Revised 2/10/10)
• Options for modifying the Area 2A setline survey - Ray A.Webster and Steven R. Hare
• Analysis of PIT tag recoveries through 2009 - Raymond A. Webster
• Adjusting IPHC setline survey WPUE for survey timing, hook competition and station depth - Raymond A. Webster and Steven R. Hare
• Exploring effects of fishing and migration on Pacific halibut dynamics with Widget 2 - Juan L. Valero and Steven R. Hare
• IPHC 2009 Biomass Apportionment Workshop summary and responses to significant questions arising at the workshop - IPHC Staff
• Report cards summarizing results from alternative widget runs during and after IPHC Biomass Apportionment Workshop - Juan L. Valero and Steven R. Hare
• Effect of migration on lost yield, lost spawning biomass, and lost egg production due to U32 bycatch and U32 wastage of Pacific halibut - Juan L. Valero and Steven R. Hare
• Estimates of halibut total annual surplus production, and yield and egg production losses due to under-32 inch bycatch and waste- Steven R. Hare
• Updated and expanded estimates of bottom area in IPHC regulatory areas - Steven R. Hare, Ray A. Webster, and Thomas M. Kong

Incidental Catch

• IPHC 2009 Bycatch Workshop summary and responses - IPHC Staff
• Incidental catch and mortality of Pacific halibut 1962-2009 - Gregg H. Williams
• Halibut bycatch length distributions - Gregg H. Williams
• Pacific halibut discard mortality rates in the 2008 CDQ and non-CDQ groundfish fisheries, and recommendations for 2010-2012- Gregg H. Williams
• Halibut bycatch limits in the 2009 Alaska groundfish fishery - Gregg H. Williams
• The Bering Sea trawl fishery Prohibited Species Donation Program: Results from 2009- Gregg H. Williams

Biological research

General

• Oceanographic monitoring on the IPHC setline survey in 2009 - Lauri L. Sadorus and Steven R. Hare, and Jay Walker (File includes isosurface maps)
• Range test for a deepwater acoutic tag listening array- Timothy Loher, Bruce M. Leaman, Steven R. Hare, David W. Carlile, Cleo K. Brylinski, and Chris R. Lunsford
• Examination of genetic population structure in spawning adults of Pacific halibut: laboratory work conducted in 2009 - Lorenz Hauser, Heather M. Galindo, and Timothy Loher
• Homogeneity test for the Pacific sleeper shark (Somniosus pacificus): Project update - Stephen Wischniowski, Trent Garner and Caroline Cameron
• Maturity classification of female Pacific halibut(Hippoglossus stenolepis) through non-invasive ultrasound techniques - Sarah Stephens
• Detecting, interpreting, and measuring both true and false annuli in Pacific halibut ages one to four: Project update - Stephen Wischniowski and Timothy Loher
• A comparative bomb radiocarbon experiment between the Bering Sea and the Gulf of Alaska: project update- Stephen Wischniowski and Craig Kastelle

Tagging

• Portside and survey vessel sampling for recovered PIT tags in Pacific halibut - Joan E. Forsberg
• Tagging studies - Joan E. Forsberg
• Archival tagging to study halibut migration and behavior: captive holding to develop external tagging protocols, and deployment of internal and external dummy tags off Kodiak Island - Timothy Loher and Tracee O. Geernaert
• Deployment, recovery, and reporting of Pop-up Archival Transmitting (PAT) tags to study interannual dispersal and seasonal migration timing in IPHC Regulatory Area 4 - Timothy Loher and William G. Clark

Surveys

• 2009 standardized stock assessment survey - Evangeline White, Eric Soderlund, Claude L. Dykstra, Tracee Geernaert, and Aaron M. Ranta
• Trends in seabird occurrence on stock assessment surveys (2002-2009) - Tracee O. Geernaert
• Prior hook injuries: results from the 2009 IPHC SSA and NMFS trawl surveys - Stephen M. Kaimmer and Richard C. Leickly
• Age distribution of Pacific halibut in the 2009 IPHC stock assessment setline survey - Joan E. Forsberg
• Cruise report for the 2009 NMFS Bering Sea trawl survey - Lauri L. Sadorus and Robert Lauth
• Size and age composition of Pacific halibut in NMFS Bering Sea shelf trawl surveys - Lauri Sadorus and Robert Lauth
• Cruise report for the 2009 NMFS Gulf of Alaska trawl survey - Lauri L. Sadorus and Mark E. Wilkins
• Abundance, distribution, and age composition of Pacific halibut as estimated by NMFS Gulf of Alaska trawl survey - Lauri L. Sadorus, Mark E. Wilkins, and Aaron M. Ranta