[Isis-fish-user] Beverton-Holt recruitment

Hi I am trying to define a beverton-Holt recruitment reproduction equation (based on values of virgin mature biomass and ‘steepness’ I have) for orange roughy in ISIS. Does anyone have an example of such an equation? I am not sure how to write the program. Thanks Viktoria Viktoria Kahui │ Post Doktor Dept of Economics │NFH University of Tromsø │ 9037Tromsø│Norway Tel. +47 776 46386