- Objectives
- Review the assessment model used for bigeye tuna
- Improve the assumptions made in the assessment
- Background
- The bigeye tuna stock assessment was last independently reviewed in 2010 • Several issues have been identified in the stock assessment
- The CAPAM workshop series has identified several modelling good practices that should be incorporated into the bigeye tuna assessment
- Major improvements to the stock assessment are underway, including modelling of spatial structure
- Review of the assessment is important to get external input into improving the assessment
- Relevance for management
- The results of the bigeye assessment are used for management advice
Improvements in the stock assessment will improve the management advice - Duration
- The project will extend over 2019, but the workshop will be a single week in Fall
- Workplan and status
- Early 2019: Identify review panel
- Mid 2019: Prepare documents describing major developments in the model
- Fall 2019: Hold workshop
- Fall 2019: Write workshop report
- External collaborators
- Independent reviewers
- Deliverables
- Workshop report
- Updated date: 01 May 2019
- Progress summary for the reporting period
- The review was conducted in March 2019 by a panel of 7 independent reviewers
- The panel identified several potential improvements to the assessment
- Challenges and key lessons learnt
- Several hypotheses were identified to explain the regime shift in recruitment, a few were able to substantially reduce the shift, but the cause could not be clearly identified
- Presentation at SAC-10
Documents prepared by the staff for the review
Report of the Review panel