Synthetical catch per unit of effort (CPUE) dataset

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Description

Synthetical CPUE dataset from Exercise 4.3 in Sparre & Venema (1999). Can be used to estimate the instantaneous total mortality rate (Z) by means of the function Z_CPUE.

Usage

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Format

A dataframe consisting of following columns:

  • cohort: name of cohort, e.g. 1982 S, meaning summer cohort of 1982,

  • age: age of cohorts,

  • CPUE: catch per unit of effort of cohorts.

Source

Sparre, P., Venema, S.C., 1999. Introduction to tropical fish stock assessment. Part 2. Excercises. FAO Fisheries Technical Paper, (306.2, Rev. 2). 94 p.

Examples

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