YPerchSB1 {FSAdata}R Documentation

Lengths for Yellow Perch from two locations in Saginaw Bay, Lake Michigan.

Description

Length measurements for Yellow Perch (Perca flavescens) from two locations – inner and outer bay – in Saginaw Bay, Lake Michigan.

Format

A data frame with 2074 observations on the following 2 variables:

tl

Measured total length (cm).

loc

Location of capture (inner or outer).

Topic(s)

Source

Simulated (uniform distribution of values within length bin) from summarized length frequencies in Figure 2 (top) in Diana, J.S. and R. Salz. 1990. Energy storage, growth, and maturation of yellow perch from different locations in Saginaw Bay, Michigan. Transactions of the American Fisheries Society 119:976-984.

Examples

data(YPerchSB1)
str(YPerchSB1)
head(YPerchSB1)
op <- par(mfrow=c(1,2),pch=19)
with(subset(YPerchSB1,loc=="inner"),hist(tl,main="Inner"))
with(subset(YPerchSB1,loc=="outer"),hist(tl,main="Outer"))
par(op)


[Package FSAdata version 0.3.7 Index]