Finds the annual interval capture probability (pi) that maximises the yield for a given population.
Arguments
- object
The population or populations.
- Ly
The minimum length (trophy) fish to consider when calculating the yield (cm).
- harvest
A flag specifying whether to calculate the yield for harvested fish or captures.
- biomass
A flag specifying whether to calculate the yield in terms of the biomass versus number of individuals.
See also
Other calculate:
ypr_age_at_length(),
ypr_exploitation(),
ypr_length_at_age(),
ypr_yield(),
ypr_yields()
Examples
ypr_optimize(ypr_population())
#> [1] 0.115183