TropFishR1.6.5 package

Tropical Fisheries Analysis

Bhattacharya

Bhattacharya's method

catchCurve

Catch curve

date2yeardec

Date - Year conversion

ELEFAN_GA

ELEFAN_GA

ELEFAN_SA

ELEFAN_SA

ELEFAN

ELEFAN

gillnetfit

Millar's original gillnet selectivity fitting function

growth_length_age

Estimation of growth parameter using length-at-age data

growth_tagging

Growth from tagging data

lfqCreate

Create lfq data from length measurements

lfqFitCurves

Fitting VBGF growth curves through lfq data

lfqModify

Modify lfq data for further analysis

lfqRestructure

Restructuring of length frequency data

M_empirical

Empirical formulas for the estimation of natural mortality

plot.Bhattacharya

Bhattacharya plot

plot.catchCurve

Plotting catch curve

plot.lfq

Plotting of length frequency data (with VBGF curves)

plot.predict_mod

Plotting prediction models yield per recruit and Thompson & Bell

plot.prod_mod_ts

Plotting time series production models

plot.prod_mod

Plotting production models

plot.recruitment

Plot of recruitment patterns

plot.select_Millar

Millar's selectivity plot

plot.select

Selectivity plot

plot.VPA

VPA plot

powell_wetherall

Powell-Wetherall method

predict_mod

Prediction models

prod_mod_ts

Production models with time series fitting

prod_mod

Production models

rcurves_Millar

Predict gillnet selectivity (old Millar method)

recruitment

Recruitment patterns

rtypes_Millar

Millar's selectivity types

select_Millar

Millar's selectivity model

select_ogive

Selectivity patterns

select

Selectivity model

startingPoint2tanchor

Convert FiSAT's starting point to t_anchor value

stock_sim

Stock simulation

VBGF

Von Bertalanffy Growth function (VBGF)

VPA

Virtual Population Analysis (VPA)

yeardec2date

Year - Date conversion

ypr_sel

Yield per recruit with selection ogive

ypr

Yield per recruit

Z_BevertonHolt

Beverton & Holt's Z-Equations

Z_CPUE

Estimate Z from CPUE data

A compilation of fish stock assessment methods for the analysis of length-frequency data in the context of data-poor fisheries. Includes methods and examples included in the FAO Manual by P. Sparre and S.C. Venema (1998), "Introduction to tropical fish stock assessment" (<https://openknowledge.fao.org/server/api/core/bitstreams/bc7c37b6-30df-49c0-b5b4-8367a872c97e/content>), as well as other more recent methods.

  • Maintainer: Tobias K. Mildenberger
  • License: GPL-3
  • Last published: 2024-10-31