whiting {TropFishR}

Whiting data

Description

A dataset of North Sea whiting Merlangius merlangus caught during the period 1974-1980. Can be used for catchCurve and VPA.

Usage

data(whiting)

Format

A list consisting of:

• age: a vector with age groups,

• M: natural mortality rate,

• a: length-weight relationship coefficent (W = a * L^b),

• b: length-weight relationship coefficent (W = a * L^b),

• catch:a matrix with catches from 1974 to 1980.

Source

ICES, 1981. Report of the Ad hoc working group on the use of effort data in assessment, Copenhagen, 2-6 March 1981. ICES C.M. 1981/G:5 (mimeo)

Examples

data(whiting)
str(whiting)
summary(whiting)