Simply returns its rdi argument.
srrNone(rdi, species_params)
| rdi | Vector of density independent egg production rates \(R_p\) for all species. |
|---|---|
| species_params | A species parameter dataframe. Not used. |
Vector of density-dependent larvae production rates.
Other stock-recruitment functions:
srrBevertonHolt(),
srrConstant(),
srrRicker(),
srrSheperd()