For a given value of F, the spawning biomass produced by the number of recruits in year t is . Equilibrium spawning biomasses and recruitment levels (denoted with asterisks) were found by solving this equation for Rt, and substituting the result in the spawner-recruit model (Quinn and Deriso 1999):
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. Equilibrium spawning biomasses and recruitment levels (denoted with asterisks) were found 
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