Stock and recruitment data for Skeena River Sockeye Salmon, 1940-1967.

Description

Stock and recruitment data for Skeena River Sockeye Salmon (Oncorhynchus nerka), 1940-1967.

Format

A data frame with 28 observations on the following 3 variables.

• year: a numeric vector of years
• spawners: a numeric vector giving number of spawning fish (in thousands)

• recruits: a numeric vector containing the recruitment (thousands)

Details

The dataset is usually analysed without case 12 because a rockslide occurred that year.

Topic(s)

• Stock-Recruit
• Recruitment

Source

Carroll, R. J. and Ruppert, D. 1988. Transformation and Weighting in Regression. Chapman and Hall, New York. 140 pp.

Examples

data(SockeyeSR)
str(SockeyeSR)
head(SockeyeSR)
SockeyeSR1 <- SockeyeSR[-12,]
op <- par(mfrow=c(1,2),pch=19)
plot(recruits~year,data=SockeyeSR1,type="b")
plot(recruits~spawners,data=SockeyeSR1)
par(op)