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Skate mortality: Bayesian state-space model

This example is part of the NCEAS non-linear modelling project

Authors: Trevor Davies and Steve Martell

The goal of the model was to obtain decadal mortality estimates of three different size classes of winter skates (Leucoraja ocellata) on the eastern Scotian Shelf. The time series are largely non-informative for several of the model parameters (catchability, recruitment rate, and stage transition probability), so informative Bayesian priors are used.

The model described here is a Bayesian state-space model implemented in both JAGS and AD Model Builder. The model description and alternative model formulations are fully described in Swain et al. (2009).

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