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Recruitment time-series for Walleye in Lake Erie, 1959-1972.

Source: R/WalleyeErie.R
WalleyeErie.Rd

Walleye (Sander vitreus) recruitment time-series for Lake Erie, 1959-1972.

Format

A data frame of 14 observations on the following 6 variables:

year

Year of data.

recruits

Number of recruits (per 1000 ft of net).

Source

From Wolfert, D. R. 1981. The commercial fishery for walleyes in New York waters of Lake Erie, 1959-1978. North American Journal of Fisheries Management 1: 112-126. Obtained from Ransom Myers old online database. CSV file

Topic(s)

  • Recruitment time-series

Examples

data(WalleyeErie)
str(WalleyeErie)
#> 'data.frame':	14 obs. of  2 variables:
#>  $ year    : int  1959 1960 1961 1962 1963 1964 1965 1966 1967 1968 ...
#>  $ recruits: num  5.06 0.79 3.71 10.84 3.4 ...
head(WalleyeErie)
#>   year recruits
#> 1 1959     5.06
#> 2 1960     0.79
#> 3 1961     3.71
#> 4 1962    10.84
#> 5 1963     3.40
#> 6 1964     6.68
plot(recruits~year,data=WalleyeErie,type="l")