YPerchSB {FSAdata}R Documentation

Stock and recruitment data for Yellow Perch from South Bay, Lake Huron, 1950-1983.

Description

Yellow Perch (Perca flavescens) stock and recruitment by year in South Bay, Lake Huron, 1950-1983.

Format

A data frame with 15 observations on the following 3 variables:

year

Year of data

stock

Spawning stock (number per set)

recruits

Recruits (number per set)

Topic(s)

Source

From Henderson, B.A. 1985. Factors affecting growth and recruitment of yellow perch, Perca flavescens Mitchill, in South Bay, Lake Huron. Journal of Fisheries Biology 26:449-458. Obtained from Ransom Myers online database which was (is?) at http://ram.biology.dal.ca/~myers/data.html.

Examples

data(YPerchSB)
str(YPerchSB)
head(YPerchSB)
op <- par(mfrow=c(1,2),pch=19)
plot(recruits~year,data=YPerchSB,type="b")
plot(recruits~stock,data=YPerchSB)
par(op)


[Package FSAdata version 0.3.7 Index]