Table of Contents

• IPHC research program: Review of 2011 projects and proposals for 2012 - IPHC Staff

The Fishery

• 2011 commercial fishery and regulation changes - Heather L. Gilroy, Lara M. Erikson, and Kirsten A. MacTavish
• 2011 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 2011 - Gregg H. Williams
• Retention of U32 halibut in the 2011 Area 4D/4E CDQ fishery- Gregg H. Williams

Sampling and analysis

• Commercial catch sampling - Lara M. Erikson and Kirsten A. MacTavish
• Age distribution of the commercial halibut catch for 2011-  Joan E. Forsberg

Population Assessment

• Assessment of the Pacific halibut stock at the end of 2011 - Steven R. Hare 
• Harvest policy considerations for re-evaluating the minimum size limit in the Pacific halibut commercial fishery -  Juan L. Valero and Steven R. Hare 
• Potential yield and female spawning biomass gains from proposed Pacific halibut prohibited species catch limit reductions in Gulf of Alaska groundfish fisheries - Steven R. Hare, Gregg H. Williams, Juan L. Valero and Bruce M. Leaman
• Examination of the high Area 2B survey WPUE values of 1995-1997 - Raymond A. Webster and Steven R. Hare
• Projections of Pacific halibut coastwide exploitable biomass using different methods and assumptions -  Juan L. Valero
• Progress in the development of a management strategy evaluation for Pacific halibut - Juan L. Valero
• Harvest policy considerations on retrospective bias and biomass projections - Juan L. Valero
• Area 2A survey expansion - Raymond A. Webster, Claude L. Dykstra and Steven R. Hare
• Current understanding of Pacific halibut migration patterns - Juan L. Valero and Raymond A. Webster

Incidental Catch

• Incidental catch and mortality of Pacific halibut 1962-2011 - Gregg H. Williams
• Halibut bycatch limits in the 2011 Alaska groundfish fishery - Gregg H. Williams
• Reported landings of halibut from the Alaska groundfish fishery's Prohibited Species Donation Program: 1998-2011 - Gregg H. Williams

Research 

General

• Oceanographic monitoring on the IPHC setline survey in 2011 - Lauri L. Sadorus and Jay Walker         
• Use of genetic techniques to determine sex ratio of commercial landings and assess population structure in Pacific halibut: progress in 2011 - Lorenz Hauser, Heather M. Galindo, and Timothy Loher
• Basin-specific rates of incorporation of bomb-produced C in fish otoliths: an example from the north Pacific Ocean- Stephen Wischniowski, Craig Kastelle, Thomas Helser and Timothy Loher
• Ichthyophonus prevalence in Pacific halibut: a pilot study- Claude L. Dykstra, Gregg H. Williams, and Jacob L. Gregg 
• Clean otolith archive collection- Stephen Wischniowski and Joan Forsberg 
• Re-evaluation of the length-weight relationship of Pacific halibut - Danielle Courcelles

Tagging

• Tagging studies - Joan E. Forsberg
• Captive holding to develop external archival tagging protocols for Pacific halibut, and comparison to internal implantation - Timothy Loher and Tracee O. Geernaert
• Test deployment of geomagnetic-sensing electronic archival tags in IPHC Regulatory Areas 2C and 3A - Timothy Loher and Julie K. Nielsen

Surveys

• 2011 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 (2002-2011) - Tracee O. Geernaert
• Prior hook injuries: results from the 2011 IPHC SSA and NMFS trawl surveys - Stephen M. Kaimmer 
• Age distribution of Pacific halibut in the 2010 IPHC stock assessment setline survey - Joan E. Forsberg
• Bait comparison pilot study - Raymond A. Webster, Steven Kaimmer, Bruce M. Leaman, and Claude L. Dykstra 
• Cruise report for the 2011 NMFS Bering Sea trawl survey - Lauri L. Sadorus and Robert Lauth
• Abundance and recent age composition of Pacific halibut as estimated by the NMFS Bering Sea shelf trawl surveys - Lauri Sadorus, Robert Lauth and Aaron M. Ranta
• Age and size composition of Pacific halibut sampled during the Bering Sea NMFS trawl survey for 1998-2011 - Lauri L. Sadorus and Joan E. Forsberg
• Cruise report for the 2011 NOAA Fisheries Service Gulf of Alaska trawl survey - Lauri L. Sadorus and Wayne A. Palsson
• Abundance and age composition of Pacific halibut as estimated by the NOAA Fisheries Service Gulf of Alaska bottom trawl survey - Lauri L. Sadorus, Wayne A. Palsson, and Aaron M. Ranta

Cover by Forsberg