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#XSSA ##State-space Stock Assessment with "off-line coupling"

Development of state-space stock assessment models for application to open systems where the stock under analysis is connected to a wider population. The preliminary applications is the yellowfin tuna population which supports fisheries in the Main Hawaiian Islands. The MHI population is connected to a larger tuna population for which stock assessments are available. The estimated population size in areas surrounding the MHI used to "force" the population dynamics.

###Models

  • issams6 - single population 6 parameter model with index of abundance; MSY, Fmsy parameterization
  • xssams - two population model with explicit exchange; deprecated

###Directories

  • ADMB - source (.tpl files) for ADMB implementation including several deprecated versions
  • TMB - source (.R, .cpp and .dat files) for TMB port of ADMB implmentation
  • scripts - R and bash scripts for plotting and data manipulation
  • Reports - LaTeX and pdf documentaiton of models and results
  • dat - data file to run isams6
  • YPR - yield per recruit analysis of Main Hawaiian Islands yellowfing tuna fishery

To Do

  • Modify estimation of Q to allow estimate to exceed 1.0 for augmented catch models
  • Rationalize TMB code with issam6.tpl
  • Compute Widely Applicable Information Criterion (WAIC)
  • Update analysis in the event that WCPFC uptades regional yellowfin assessment

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