synLFQ2: Synthetic length frequency data II

In tokami/TropFishR: Tropical Fisheries Analysis

Synthetic length frequency data II

Description

Synthetic length frequency data from Sparre & Venema (1998). Can be used for the estimation of the instantaneous total mortality rate (Z) by means of Z_BevertonHolt.

Usage

data(synLFQ2)

Format

A list consisting of:

• dates dates of sampling times (class Date),

• midLengths: midpoints of the length classes,

• Linf: infinite length for investigated species in cm [cm],

• K: growth coefficent for investigated species per year [1/year],

• catch: matrix with catches/counts per length class (row) and sampling date (column).

Source

Sparre, P., Venema, S.C., 1998. Introduction to tropical fish stock assessment. Part 1. Manual. FAO Fisheries Technical Paper, (306.1, Rev. 2). 407 p.

Examples

data(synLFQ2)
str(synLFQ2)
summary(synLFQ2)

tokami/TropFishR documentation built on Feb. 29, 2024, 11 p.m.