Code for the paper Jacobsen, N. S., Thorson, J. T., and Essington, T. E. 2018. Detecting mortality variation to enhance forage fish population assessments. ICES Journal of Marine Science, 76: 124–135.
Run the files 'baserun_model_X' for the four different models presented in the paper.
the folder 'sprat' contains code to calculate the time varying natural mortality for North Sea sprat.