ypr (version 0.4.0)

ypr_sr: Stock-Recruitment Parameters

Description

Returns a single rowed data frame of the SR parameters:

alpha

Survival from egg to age tR at low density

beta

Density-dependence

Rk

Lifetime spawners per spawner at low density

phi

Lifetime eggs deposited per recruit at unfished equilibrium

phiF

Lifetime eggs deposited per recruit at the fished equilibrium

R0

Age tR recruits at the unfished equilibrium

R0F

Age tR recruits at the fished equilibrium

S0

Spawners at the unfished equilibrium

S0F

Spawners at the fished equilibrium

Usage

ypr_sr(population)

Arguments

population

An object of class ypr_population().

Value

A data frame of the SR parameters.

Examples

# NOT RUN {
ypr_sr(ypr_population()) # Beverton-Holt
ypr_sr(ypr_population(BH = 0L)) # Ricker
# }