FSAdata (version 0.3.0)

RuffeSLRH92: Biological characteristics of Ruffe captured in the St. Louis River, Lake Superior in 1992.

Description

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

source

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

Topic(s)

• Length frequency
• Length-weight
• Growth
• von Bertalanffy
• Maturity

concept

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

Examples

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)