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FSAdata (version 0.3.3)

RuffeSLRH92: Biological data for Ruffe captured from the St. Louis River in 1992.

Description

Biological data for Ruffe (Gymnocephalus cernuus) captured in the St. Louis River, Lake Superior in 1992.

Arguments

Format

A data frame of 738 observations on the following 11 variables:
fish.id
A unique fish identification number (across all years, most of which are not shown in this file
month
Month of capture
day
Day of capture
year
Year of capture
indiv
A unique fish identification number within the year
location
Grid location of capture
length
Total length (mm)
weight
Weight (g)
sex
Sex factor
maturity
Maturity stage factor
age
Age (yrs) from scales

Source

personal collection by the United States Geological Survey, Lake Superior Biological Station, Ashland, WI.

Topic(s)

  • Length Frequency
  • Weight-Length
  • Growth
  • von Bertalanffy
  • Maturity

Examples

Run this code
data(RuffeSLRH92)
str(RuffeSLRH92)
head(RuffeSLRH92)
op <- par(mfrow=c(2,2),pch=19)
hist(RuffeSLRH92$length,main="")
hist(RuffeSLRH92$age,main="")
plot(weight~length,data=RuffeSLRH92)
plot(length~age,data=RuffeSLRH92)
par(op)
xtabs(~age,data=RuffeSLRH92)
xtabs(~sex,data=RuffeSLRH92)
xtabs(~maturity,data=RuffeSLRH92)

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