menhaden {fishmethods}

Biological data for menhaden (Brevoortia tyrannus)

Description

The menhaden data frame has 15 rows and 4 columns. Age, fecundity-at-age, partial recruitment, fraction mature, and nautral mortality data for menhaden to calculate eggs-per-recruit.

Usage

menhaden

Format

This data frame contains the following columns:

age

vector of ages

fecundity

vector of mean eggs per individual for each age

partial

partial recruitment vector

pmat

vector of fraction of females mature at age

M

vector of natural mortality value-at-age

Source

Atlantic State Marine Fisheries Commission. 2010. 2009 stock assessment report for Atlantic menhaden. ASMFC SAR 10-02.