Package 'kootlake'

Bull Trout Counts

Description

The annual resistivity counter and redd counts for Kaslo and Keen Creeks.

Usage

bulltrout

Format

A tbl data frame:

Year

The year (int).

KasloRedds

The Kaslo Creek redd count (int).

KeenRedds

The Keen Creek redd count (int).

KasloCounter

The Kaslo Creek resistivity counter count (int).

See Also

kootlake.

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Rainbow Trout data

Description

Data for individual Rainbow Trout in lakes and rivers.

Usage

fish

Format

A data.frame

Year

The year (int).

Month

The month (int).

Day

The day (int).

Species

Species by code eg. "RB" (factor, 1 level).

Length

Fork length in mm (int).

Weight

Weight in kg (int).

Sex

Sex, "male" or "female" (factor, 2 levels).

Fecundity

number of eggs (int).

Location

Lake or River (factor, 2 levels)

SampleID

Sample ID

Source

The source of the data (char).

Comment

comments for observations with year date ranges (char).

See Also

kootlake.

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Kootenay Lake Fishery

Description

The Kootenay Lake fishery data.

Usage

fishery

Format

A data.frame:

StartYear

The start year of the angling season which runs from April to March (int).

EndYear

The end year of the angling season which runs from April to March (int).

Licences

The number of KLRT licenses sold (int).

Mailings

Number of end of season surveys mailed out to licence holders (int).

Returns

Number of filled surveys returned (int).

AnglerHours

The estimated number of angler hours expended by anglers who purchased a Kootenay Lake Rainbow Trout (KLRT) Conservation Surcharge License (int).

See Also

kootlake.

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Fishery Catch Counts

Description

Harvested and Released counts for Bull and Rainbow Trout

Usage

fishery_catch

Format

A data.frame

StartYear

The start year of the angling season (int).

EndYear

The end year of the angling season (int).

Harvested

Estimated count of individuals harvested (int).

Released

Estimated count of individuals released (int).

MinWeight

Bottom of weight range (int).

MaxWeight

Top of weight range (int).

Species

Species, RB or BT (factor. 2 levels).

See Also

kootlake.

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Gerrard Escapement

Description

The Gerrard Rainbow Trout spawner counts.

Usage

gerrard

Format

A data.frame:

Year

The year of the spawner count (int).

PeakCount

The peak count (int).

FishDays

The total number of fish days (int).

FishRemoved

The total number of fish removed prior to spawning.

Details

The total escapement can be estimated by multiplying the peak count by 3.08 or by dividing the total number of fish days by the residence time (currently) assumed to be 11.9 days.

See Also

kootlake.

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Estimate Missing Values

Description

Estimates missing variable values from a predictor using a linear model.

Usage

kl_estimate_na(
  x = kootlake::bulltrout,
  variable = "KasloRedds",
  predictor = "KasloCounter"
)

Arguments

x	A data frame with columns of the variable and predictor.
variable	A string of the name of the variable column.
predictor	A string of the name of the predictor column.

Value

The original data frame with missing variable values replaced by the estimated value.

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Kokanee Escapement

Description

The Kokanee escapement.

Usage

kokanee

Format

A data.frame:

Year

The year (int).

Lardeau

The Lardeau River escapement (int).

MeadowCreek

The Meadow Creek escapement (int).

Fecundity

The mean number of eggs per female (int).

LengthMale

The mean male spawner fork length in mm (int).

LengthFemale

The mean female spawner fork length in mm (int).

See Also

kootlake.

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Kootenay Lake Data

Description

Annual Rainbow Trout, Bull Trout and Kokanee datasets for Kootenay Lake.

Details

It includes the 'kl_estimate_na()' function to estimate missing variable values from a predictor using a linear model. By default it estimates missing Bull Trout redd counts for Kaslo Creek using the resistivity counter counts.

See Also

bulltrout, fishery, gerrard and kokanee

Examples

library(ggplot2)

data(gerrard)
gerrard$Escapement <- gerrard$PeakCount * 3.08

ggplot(data = gerrard, aes(x = Year, y = Escapement)) +
  geom_line() + expand_limits(y = 0)

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temp_function

Description

function included as workaround for issue: https://github.com/r-lib/covr/issues/427

Usage

temp_function(x)

Arguments

x	Any object

Value

The same object.

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