Recruitment time-series for Yellow Perch in Red Lakes, MN, 1942-1960.

Yellow Perch (Perca flavescens) recruitment time-series for Red Lakes, MN, 1942-1960.

Format

a data.frame with:

year: Year of data.
recruits: CPUE of recruits (relative to a mean).

Source

From Smith, L.L. Jr. 1977. Walleye (Stizostedion vitreum) and yellow perch (Perca flavescens) populations and fisheries of the Red Lakes, Minnesota, 1930-75. J. Fish. Res. Board Can. 34: 1774-1783. Obtained from Ransom Myers old online database. CSV file

Topic(s)

Recruitment time-series

Examples

data(YPerchRL)
str(YPerchRL)
#> 'data.frame':	19 obs. of  2 variables:
#>  $ year    : int  1942 1943 1944 1945 1946 1947 1948 1949 1950 1951 ...
#>  $ recruits: int  37 49 35 42 320 406 51 47 20 36 ...
head(YPerchRL)
#>   year recruits
#> 1 1942       37
#> 2 1943       49
#> 3 1944       35
#> 4 1945       42
#> 5 1946      320
#> 6 1947      406
plot(recruits~year,data=YPerchRL)