- Objectives
- Improve the risk analysis methodology by defining more objective, transparent, and automated diagnostic-based metrics for weighting fishery stock assessment model ensembles.
- Background
- There is uncertainty about the main assumptions in the tropical tuna assessments
- Risk analysis was developed and applied to yellowfin and bigeye tuna
- The risk analysis was based on several different diagnostics, but there evaluation for determining weighing scores was subjective and based on expert opinion
- A more objective and automated approach to determining scores from diagnostic and other metrics is needed
- Relevance for management
- Risk analysis has been used to provide management advice for bigeye and yellowfin tuna and is proposed to use for skipjack tuna.
- Duration
- 3 years, starting 2021
- Workplan and status
- Jan-Feb 2022: Workshop on diagnostics
- Fall 2022: Workshop on objective and automatic weighting of metrics
- 2023: Automate weighing of metrics
- 2024: Apply the risk analysis to the three tropical species
- External collaborators
- Scientists from CPCs and other organizations participate in the workshops
- Deliverables
- Software to automate calculating metrics and conducting risk analysis
- SAC documents
- Updated date: 01 May 2023
- Progress summary for the reporting period
- Jan/Feb 2022: Workshop conducted on diagnostics
- November 2022: Workshop on model weighting conducted
- Challenges and key lessons learnt
- The COVID pandemic forced the workshops to be virtual, however they very successful and due to the virtual format there were participants than usually at the CAPAM workshops
- The chat feature of the virtual meeting encouraged more people to participating in discussions than usually would participate
- Running the workshops both in terms of logistics and scientific content takes a substantial amount of staff time
- WS-RISK-1 Report
WS-RISK-2 Report - Comments
- The WS-RISK-2 Report proposes a framework for conducting the next risk analysis for tropical tunas in the EPO