ssn {FLCore} | R Documentation

## Method ssn

### Description

Returns the Spawning Stock Numbers of `FLBiol-class` objects.

### Generic function

ssn(object)

### Methods

signature(object=FLBiol) :
  For a given `FLBiol` object, the spawning stock numbers are calculated as follows:

  SSN = sum(n * fec * exp(-spwn * m))

  In Leslie matrix type models it is the spawning stock * numbers birthed (realised fecundity) that is the key recruitment driver, not SSB.

### Author(s)

The FLR Team

### See Also

FLComp FLStock

### Examples

    ## Not run:
     data(ple4.biol)
     ssn(ple4.biol)
    ## End(Not run)

[Package FLCore version 2.2 Index]