SPALB 2024 Ensemble

Download SPALB 2024 assessment report:

• Stock assessment of South Pacific albacore tuna in the western and central Pacific Ocean: 2024
  WCPFC-SC20-2024/SA-WP-02

Download SPALB 2024 diagnostic model:

• Clone the alb-2024-diagnostic repository or download as main.zip file

Download SPALB 2024 ensemble results:

• The alb-2024-ensemble repository includes a alb-2024-ensemble-results.zip file

Uncertainty

The SPALB 2024 assessment uncertainty was estimated using a Monte Carlo model ensemble approach in which 100 models incorporated uncertainty in average natural mortality, stock-recruitment steepness and estimation error for individual models:

Ensemble results

The alb-2024-ensemble-results.zip file contains all files necessary to run or browse the SPALB 2024 ensemble.

The ensemble models are run from a par file, as described in the corresponding doitall.sh script.

The final par and rep files are consistently named 09.par and plot-09.par.rep to facilitate harvesting results from across the 100 ensemble models.

Estimating uncertainty

See also Section 8, Section 10.6 and Table 9 in the SPALB 2024 stock assessment report.

The script requires the FLR and FLR4MFCL packages:

install_github("flr/FLCore")
install_github("PacificCommunity/FLR4MFCL")