1. Norton Sound Red King Crab Model CIE Review Summary May 2019
Toshihide “Hamachan” Hamazaki,
Jie Zheng
Alaska Department of Fish & Game
Division of Commercial Fisheries

2. Common theme
More and better informative data, better assessment model results.
Improve trawl survey abundance
More biological, life-history data, growth, age, maturity, spatial- distribution.
More studies and/or more extensive surveys to understand the fate of larger crabs.
Catch and discards: investigate accuracy of self-reporting

3. Reviewer: Yong Chen Short-term Long-term More robust model diagnoses
Explore spatial delta-GLMM method to standardize survey abundance.
Explore different size-intervals
Full Bayesian Model
Jittering
Long-term
Explore alternative survey design
Habitat suitability modeling
More studies in biology and life-history

4. Reviewer: Raouf Kilada
Summary
Biological/morphometric study to estimate size-at-maturity
Estimate M, age of crab
Use PIT tag for tagging study
Assess accuracy of fish ticket data, more observers
Long-term
Obtain more reliable biological data

5. Reviewer: John Neilson
Data
Clarification of data weighting
Validation of self-reporting (fish ticket data)
Explore options for survey abundance
Post stratification, model based approach
Obtain better info on growth and age.
Find location of large crabs