2023 Eastern Bering Sea Pacific cod stock assessment explorations for September Plan Team

These are draft results until final review and approval by the North Pacific Fishery Management Council
Please note that this page is meant as a tool to help in collaboration among reviewers and assessment authors and as such is not an official publication by NOAA. Everything on this page is preliminary.

Documents

Main document:

• September 2023 EBS Pacific cod Plan Team document (.pdf)

Stock Synthesis Model Files

September 2023 Model exploration:

• September_Models(.zip)

Presentations

September Plan Team:

• Explorations of alternative stock assessment models for EBS cod(.pdf)

October SSC:

• Explorations of alternative stock assessment models for EBS cod(.ppsx)

Figures

Model 22.2:

• Model 22.2 old
• Model 22.2 updated input sample sizes to bootstrap

Simplified Model 23.1.0.a:

• Model 23.1.0.a

Model Explorations:

• Model 23.1.0.b Plus annually varying growth
• Model 23.1.0.d Plus annually varyig survey selectivity
• Model 23.1.0.g Max age to 12+ and catch to 1964 without regime parameter for recruitment
• Model 23.1.0.h Plus conditional age-at-length

Diagnostic plots

• MACE analysis (.zip)
• Retrospective analysis (.zip)
• Joint residual plots (.zip)
• MVLN figures (.zip)

One Step Ahead residuals plot

• OSA Survey Age Composition (.zip)
• OSA Length Composition (.zip)