R/MizerParams-class.R
    srrConstant.RdSimply returns the value from `species_params$constant_recruitment`
srrConstant(rdi, species_params)
| rdi | Vector of egg production rates \(R_p\) for all species.  | 
    
|---|---|
| species_params | A species parameter dataframe. Must contain a column `constant_recruitment`.  | 
    
Vector `species_params$constant_recruitment`
Other stock-recruitment functions: 
srrBevertonHolt(),
srrNone(),
srrRicker(),
srrSheperd()