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Ages and lengths of Round Whitefish.

Source: R/RWhitefishIR.R
RWhitefishIR.Rd

Ages and total lengths of Round Whitefish (Prosopium cylindraceum) collected from Isle Royale, Lake Superior.

Format

A data frame with 103 observations on the following 2 variables.

tl

Total length (in).

age

Age (from scales).

Source

From Table 4 (a random tenths digit was added to the TL) in Bailey, M.M. 1963. Age, growth, and maturity of round whitefish of the Apostle Islands and Isle Royale Regions, Lake Superior. Fishery Bulletin, 63:63-75. CSV file

Topic(s)

  • Growth

  • von Bertalanffy

Examples

data(RWhitefishIR)
str(RWhitefishIR)
#> 'data.frame':	103 obs. of  2 variables:
#>  $ tl : num  7.7 7.7 7.6 7.8 8.1 8.3 8.8 8.6 8.6 8.8 ...
#>  $ age: int  3 3 3 3 3 3 3 3 3 3 ...
head(RWhitefishIR)
#>    tl age
#> 1 7.7   3
#> 2 7.7   3
#> 3 7.6   3
#> 4 7.8   3
#> 5 8.1   3
#> 6 8.3   3
plot(tl~age,data=RWhitefishIR)