TAC_MSY: Calculate MSY-based TAC from Assessment object

In SAMtool: Stock Assessment Methods Toolkit

Calculate MSY-based TAC from Assessment object

Description

A function to calculate the total allowable catch (TAC). Based on the MSY (maximum sustainable yield) principle, the TAC is the product of either UMSY or FMSY and the available biomass, i.e. vulnerable biomass, in terminal year.

Usage

TAC_MSY(Assessment, reps, MSY_frac = 1)

Arguments

Assessment	An Assessment object with estimates of UMSY or FMSY and terminal year vulnerable biomass.
reps	The number of stochastic draws of UMSY or FMSY.
MSY_frac	The fraction of FMSY or UMSY for calculating the TAC (e.g. MSY_frac = 0.75 fishes at 75% of FMSY).

Value

A vector of length reps of stochastic samples of TAC recommendation. Returns NA's if missing either UMSY/FMSY or vulnerable biomass.

Note

calculate_TAC is deprecated as of version 1.2 in favor of TAC_MSY because the latter has a more informative name.

See Also

HCR_MSY HCR40_10 HCR60_20

SAMtool documentation built on Sept. 11, 2024, 8:07 p.m.