PFRP Statistical and Modeling Projects

Combining Individual and Population Based Estimation of Migration Patterns

• PI: Anders Nielsen and John Sibert
• Project status: Funding estimated to be available mid-2006.

Rescue, Compilation, and Statistical Characterization of Historic Longline Data, Pacific Ocean Fisheries Investigation 1951-73

• PI: Bert Kikkawa
• Project status: FY 2008 progress report posted.

Performance of Longline Catchability Models in Assessments of Pacific Highly Migratory Species

• PI: Keith Bigelow, Mark Maunder, Adam Langley, and Pascal Bach
• Project status: FY 2008 progress report posted.

Investigation of Shark Bycatch in the Hawaii-based Longline Fishery, and an Extension of Analyses of Catch Data from Widely Separated Areas in the Pacific Ocean

• PI: William A. Walsh and Keith Bigelow
• Project status: FY 2008 progress report posted.

Evaluation of Data Quality for Catches of Several Pelagic Management Unit Species by Hawaii-Based Longline Vessels and Exploratory Analyses of Historical Catch Records from Japanese Longline Vessels

• PI: William A. Walsh and Keith Bigelow
• Project status: Project completed, FY 2007 final progress report posted, NOAA Technical Memo. published.

Addition of Multi-species Capability, Sex Structure and other Enhancements to the Length-Based, Age-Structured Modeling Software MULTIFAN-CL

• PI: John Hampton, Pierre Kleiber and John Sibert
• Project status: Project completed, FY 2006 progress report posted.

Mixed-Resolution Models for Investigating Individual to Population Scale Spatial Dynamics

• PI: Patrick Lehodey, Jeffrey Polovina, David Kirby and Raghu Murtugudde
• Project status: Project completed, FY 2006 progress report posted.

Comparisons of Catch Rates for Target and Incidentally Taken Fishes in Widely Separated Areas of the Pacific Ocean

• PI: William A. Walsh
• Project status: Project completed, FY 2005 progress report posted.

Causes of Rapid Declines in World Billfish Catch Rates

• PI: Ransom Myers and Peter Ward
• Project status: Project completed, FY 2004 progress report posted.

Incorporating Oceanographic Data in Stock Assessments of Blue Sharks and Other Species Incidentally Caught in the Hawai'i-based Longline Fishery

• PI: Pierre Kleiber and Hideki Nakano
• Project status: Project completed, FY 2007 progress report posted.

Pacific-Wide Analysis of Bigeye Tuna (Thunnus obesus) using a Length-Based, Age Structured Modeling Framework (MULTIFAN-CL)

• PI: John Hampton, Richard Deriso and Naozumi Miyabe
• Project status: Project completed, FY 2000 progress report posted. Report of the MULTIFAN-CL Workshop (Feb. 1-3, 2000, Honolulu) posted (PDF file from SPC-OFP web site). See also the MULTIFAN-CL web site

Stock and Fishery Dynamics of Yellowfin Tuna, Thunnus albacares, in the Western and Central Pacific Ocean: Development of an Integrated Model Incorporating Size and Spatial Structure

• PI: John Hampton and David Fournier
• Project status: Project completed, manuscript posted (PDF file), updated assessment report - SPC Working Paper posted (PDF file from SPC-OFP web site).

Estimation of Bycatch and Discards of Sharks and Other Species by the Hawaii Longline Fishery

• PI: Pierre Kleiber, Chris Boggs, William Walsh
• Project status: Project completed, FY 2001 progress report posted.

Integrative Modeling in Support of the Pelagic Fisheries Research Program: Spatially Disaggregated Population Dynamics Models for Pelagic Fisheries

• PI: John Sibert and Peter Bills
• Project status: SOEST-JIMAR technical report published, FY 2008 progress report posted.

Local Pelagic Catch and Effort Data Analysis and Integrated Modeling to Quantify the Effects of Local Fisheries on Fish Availability

• PI: Chris Boggs
• Project status: Project completed, article published in NOAA Technical Memorandum, FY 1997 progress report posted.

Development of Assessment Model for Yellowfin Tuna

• PI: John Sibert
• Project status: Project completed, Workshop proceedings printed.

Integration of Hawaii Longline Fishery Performance Models with Environmental Information

• PI: Chris Boggs
• Project status: Project completed, article published in Fisheries Oceanography, FY 1997 progress report posted.