Chapter 11 Next steps
Run log likelihood profiles on Female Trawl selectivity parameters. Profiles are very sporadic, when I force males and females to have the same selectivity it does produce sensible answers selectivity curves.
Apply the Dirichlet-Multinomial likelihood for compositional data
Start model 1990
Generate reference points and ABCs
Simulation Scenarios
What effect loosing early time-periods has on the assessment advice. The spatial models started much later in the time-series than when significant exploitation occured, which is a common issue with spatial models due to historical data not haveing spatial resolution to be used. This early period coincides with the largest removals in the time-series which is thought to be valuable to observe for observering contrast and helping estimate stock production (Hilborn 1979) this claim is actually countered by Magnusson and Hilborn (2007).
What bias can we expect when we assume a closed population when in fact there is emigration outside of the stock boundary
Consequence in assuming a three region model when in fact there is five regions based on the Regression break points.
Spatial recruitment process and reference point consequences. Time-varying recruit devs by region vs time-varying recruitment deviations constant across
age-varying movement? spasm paper to reference time-vs age varying movement.