Report of Assessment and Research Activities 2013

Document Authors Title PDF Link Report # Year Published
IPHC-2013-RARA23 IPHC Secretariat Report of Assessment and Research Activities 2013 iphc-pdf-icon.png 23 2013

Contents

Section I

1.1 2014 Annual Research Plan (Preliminary - December 2013) - IPHC Staff

Section II: The Fishery

2.1 2013 commercial fishery and regulation changes - Heather L. Gilroy, Lara M. Erikson, and Kirsten A. MacTavish

2.2 2013 halibut sport fishery review - Gregg H. Williams

2.3 Incidental mortality of halibut in the commercial halibut fishery (Wastage) - Heather L. Gilroy and Ian J. Stewart

2.4 The personal use harvest of Pacific halibut through 2013 - Gregg H. Williams

2.5 Retention of U32 halibut in the 2013 Area 4D/4E CDQ fishery - Gregg H. Williams

2.6 Commercial catch sampling - Lara M. Erikson and Kirsten A. MacTavish

2.7 Evaluation of port sampling of Sunday landings and small landings - Raymond A. Webster, Lara M. Erikson, and Kirsten A. MacTavish

2.8 Age distribution of the commercial halibut catch for 2013 - Joan E. Forsberg

Section III: Population Assessment

3.1 Overview of data sources for the Pacific halibut stock assessment and related analyses - Ian J. Stewart

3.2 Assessment of the Pacific halibut stock at the end of 2013 - Ian J. Stewart and Steven Martell

3.3 Apportionment and regulatory area harvest calculations - Raymond A. Webster and Ian J. Stewart

3.4 Reports of the IPHC Scientific Review Board - Sean P. Cox, James Ianelli, and Marc Mangel

3.5 Developments in the Management Strategy Evaluation process, fisheries objectives, and implications for harvest policy and decision making - Steven Martell, Bruce M. Leaman, and Ian Stewart

3.6 Construction of a density index for Area 4CDE - Raymond A. Webster

Section IV: Incidental catch of Pacific halibut

4.1 Incidental catch and mortality of Pacific halibut, 1962-2013 - Gregg H. Williams

4.2 Halibut bycatch limits in the 2013 Alaska groundfish fishery - Gregg H. Williams

4.3 The Alaska groundfish trawl fishery Prohibited Species Donation Program: Results from 2013 - Gregg H. Williams

Section V: Research

General

5.1 IPHC oceanographic monitoring program 2013 - Lauri L. Sadorus and Jay Walker

5.2 Ichthyophonus prevalence in Pacific halibut - Claude L. Dykstra, Gregg H. Williams, and Jacob L. Gregg

5.3 Clean otolith archive collection - Robert S. Tobin and Joan E. Forsberg

5.4 IPHC Raja sampling pilot study - Hesper D. Kohler

Tagging

5.5 Tagging studies - Joan E. Forsberg

5.6 Captive holding to study halibut migration and behavior: captive holding to develop long-term tagging protocols, and deployment of external dummy tags in IPHC Regulatory Area 3A -Timothy Loher and Tracee O. Geernaert

Surveys

5.7 2013 Standardized stock assessment survey - Ed Henry, Eric Soderlund, Claude L. Dykstra, Tracee O. Geernaert, and Aaron M. Ranta

5.8 Southern expansion of the Area 2A setline survey - Raymond A. Webster, Claude Dykstra, and Tom Kong

5.9 Setline survey hook counts: are the "first 20 hooks" sufficient? - Raymond A. Webster and Bruce M. Leaman

5.10 Age distribution of Pacific halibut in the 2013 IPHC stock assessment setline survey - Joan E. Forsberg

5.11 Trends in seabird occurrence on stock assessment surveys (2002-2013) - Tracee O. Geernaert

5.12 Depth and range expansion of the seline survey - Raymond A. Webster, Claude L. Dykstra, Eric Soderlund, and Tom Kong

5.13 Cruise report for the 2013 NMFS Bering Sea trawl survey - Lauri L. Sadorus and Robert Lauth

5.14 Size and age composition of Pacific halibut in NMFS Bering Sea shelf trawl surveys - Lauri L. Sadorus, Robert Lauth, and Aaron M. Ranta

5.15 Results from the Gulf of Alaska NOAA Fisheries Service bottom trawl survey in 2013 - Lauri L. Sadorus and Wayne A. Palsson

5.16 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

5.17 Prior hook injuries: results from the 2013 IPHC SSA and NMFS trawl surveys - Stephen M. Kaimmer