Skip to contents

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

Source: R/YPerchSB.R
YPerchSB.Rd

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)

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 old online database. CSV file

Topic(s)

  • Stock-Recruit

  • Recruitment

Examples

data(YPerchSB)
str(YPerchSB)
#> 'data.frame':	34 obs. of  3 variables:
#>  $ year    : int  1950 1951 1952 1953 1954 1955 1956 1957 1958 1959 ...
#>  $ stock   : num  0.6 15.2 18.3 11.2 13.7 ...
#>  $ recruits: num  NA 15 45.3 43 27.4 ...
head(YPerchSB)
#>   year  stock recruits
#> 1 1950  0.600       NA
#> 2 1951 15.228 15.03004
#> 3 1952 18.252 45.26496
#> 4 1953 11.196 42.95905
#> 5 1954 13.652 27.41322
#> 6 1955 21.942 31.11376
op <- par(mfrow=c(1,2),pch=19)
plot(recruits~year,data=YPerchSB,type="b")
plot(recruits~stock,data=YPerchSB)

par(op)