IATTC

Workshop to improve the longline indices of abundance of bigeye and yellowfin tunas in the eastern Pacific Ocean - 11-15 February, 2019 - La Jolla, California, USA

Date

Agendas

Documents

 

11-15

Workshop to improve the longline indices of abundance of bigeye and yellowfin tunas in the eastern Pacific Ocean

Report of the Workshop to improve the longline indices of abundance of bigeye and yellowfin tunas in the eastern Pacific Ocean

Presentations

Workshop introduction
China Review of national regulation and data collection for longline
Collaborative work and lessons learned
Comparison of fleet in main stock assessment area EPO
Corresponding size composition data to the indices and catch
CPUE as an index of relative abundance
Current indices and problems
Estimation of targeting effects in the EPO using different methods
Evolution in the CPUE standardization for WCPC assessments
How To Install CPUE.rfmo
IATTC Eastern Pacific Ocean Regional Tuna Tracking Program
Introduction to the spatiotemporal model
Japan Review of operational level CPUE data and regulations for longline
Japan Review of size composition data from longline in the Pacific Ocean
Korea Data collection and statistics
Overview for estimating targeting effects
Pacific-wide changes in tuna targeting via cluster analysis of all-fleet operational data sets
Results using clustering and cpue
Review of size data from Korean longline fisheries in the Pacific Ocean
Review of the data for Taiwanese longline
Review of the International regulations in the Pacific Ocean for longline that may cause changes
Size composition longline Exploratory data analysis of JPN data
Standardization including size composition data in VAST
The cpue.rfmo library and the GLM GAMM approach
Vessel effect and targeting using Japanese operational data in Spatial temporal model

   

 

General information

Meeting notice

For additional information for participation on the Workshop to improve the longline indices of abundance of bigeye and yellowfin tunas in the eastern Pacific Ocean, please contact Carolina Minte-Vera  cminte@iattc.org

Embassy Suites Hotel

 Current meetings

Use Acrobat Reader (5.0 or newer) to open these documents.

Last modified: 19 Dec 2019