Stock and recruitment data for Sockeye Salmon from Karluk Lake, AK, 1921-1948.

Sockeye Salmon (Oncorhynchus nerka) stock and recruitment in Karluk Lake, AK, by year, 1921-1948.

Format

A data frame of 28 observations on the following 3 variables:

year: Year of data.
stock: Upstream escapement.
recruits: Recruits.

Source

From Gulland, J.A. 1983. Fish stock assessment: A manual of basic methods. John Wiley and Sons, New York, NY. 223 p. CSV file

Topic(s)

Stock-Recruit
Recruitment

Examples

data(SockeyeKL)
str(SockeyeKL)
#> 'data.frame':	28 obs. of  3 variables:
#>  $ year    : int  1921 1922 1923 1924 1925 1926 1927 1928 1929 1930 ...
#>  $ stock   : int  150 40 70 106 162 253 87 109 90 109 ...
#>  $ recruits: int  449 228 199 81 161 146 162 263 159 117 ...
head(SockeyeKL)
#>   year stock recruits
#> 1 1921   150      449
#> 2 1922    40      228
#> 3 1923    70      199
#> 4 1924   106       81
#> 5 1925   162      161
#> 6 1926   253      146
op <- par(mfrow=c(1,2),pch=19)
plot(recruits~year,data=SockeyeKL,type="b")
plot(recruits~stock,data=SockeyeKL)

par(op)