The goal was to provide a bridge between age-structured and biomass dynamic models, which are still widely used. JABBA was conceived in the Hawaiian Summer of 2015 as a collaboration between young researchers from South Africa and the Pacific Islands Fisheries Science Center (NOAA) in Honolulu, HI USA. Building on recent advances in optimizing the fitting procedures through the development of Bayesian state-space modelling approaches, JABBA originates from a continuous development process of a Bayesian State-Space SPM tool that has been applied and tested in many assessments across oceans. The documentation for JABBA states: “The motivation for developing JABBA was to provide a user-friendly R to JAGS (Plummer) interface for fitting generalized Bayesian State-Space Surplus Production Models (SPMs) with the aim to generate reproducible stock status estimates and diagnostics. The details of the JABBA method are provided in
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