fox_effort_calculation: Calculate Fox fishing effort

In polehalieutique/demerstem: This package aims to falicitate Fish stock assessement for west african partners involved in the EU DEMERSTEM project

Calculate Fox fishing effort

Description

fox_effort_calculation calculate the fishing effort E, the corresponding Fox effort Efox ; standardised on the last year (= most recent year : mEfox = 1)

Usage

fox_effort_calculation(data, catch_table, k)

Arguments

data	the table with the mean IA serie
catch_table	table with catches and years (format :
k	the k factor of the Fox effort calculation. Either : 1, 3 or 5

Examples

data(data_IA)
data(captures_aggregees)
data_captures <- captures_aggregees %>%  group_by(year) %>%  summarise(Catch = sum(c))
fox_effort_calculation(data_IA, data_captures, k=3)

polehalieutique/demerstem documentation built on Aug. 4, 2024, 5:12 a.m.