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LifeHist (version 1.0-1)

BlackAngler.agematdat: Black Anglerfish Age, Sex, Month, Maturity Stage Data

Description

Black anglerfish individual-based data from the Bay of Bizcay sampled from the catch of an industrial fishing fleet.

Usage

data("BlackAngler.agematdat")

Arguments

Format

A data frame with 711 observations on the following 4 variables.
pred
Integer, age in years
sex
Integer, 1 for males and 2 for females
month
Integer, the month of capture
stages
Integer, stages of maturity encompassing a gradual advance from juvenile to sexually matur individual

Source

http:\www.azti.es

Details

Age has been fixed by biologists examining rings in otoliths. Maturity stages have been fixed by biologists using macroscopic aspect of the fish gonads.

Examples

Run this code
data(BlackAngler.agematdat)

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