optistock (version 0.0.2)

Determine Optimum Stocking Times Used in Fishery Enhancements

Description

A collection of functions that aid in calculating the optimum time to stock hatchery reared fish into a body of water given the growth, mortality and cost of raising a particular number of individuals to a certain length.

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Version

Install

install.packages('optistock')

Monthly Downloads

192

Version

0.0.2

License

MIT + file LICENSE

Maintainer

Paul Frater

Last Published

August 24th, 2023

Functions in optistock (0.0.2)

cost_per_fish

Compute the per-cost fish based on stocking time, time to recruitment, growth, and mortality

inv_vb

The inverse von Bertalanffy function (iVBGF)

growth_parameters

Growth parameters for species used in examples

recruits_at_time

Calculate the number of recruits left after given time based on mortality

daily_cost_fun

Compute the instantaneous cost of raising hatchery fish

n_to_stock

Calculate the number of fish to stock based on desired recruit number and given mortality curve

optistock_app

Run Shiny app to create sandbox optistock CPF curves

mort_funs

Functions to produce mortality curves

linear_total_cost

Compute total cost as a linear function of time

spp_examples

Species examples from optistocking manuscript

total_cost

Compute direct total cost to raise hatchery fish

vbgf

Basic von Bertalanffy growth function (VBGF)

total_daily_cost

Compute the total daily cost of raising hatchery fish

cost_parameters

Cost parameters for species used in examples