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Stock and recruitment data for Brook Trout from Ball Creek, NC, 1991-2004.

Source: R/BrookTroutNC.R
BrookTroutNC.Rd

Stock and recruitment data for Brook Trout (Salvelinus fontinalis) from Ball Creek, NC, 1991-2004.

Format

A data frame with 10 observations on the following 2 variables.

adult

a numeric vector giving autumn adult density (number per square meter)

yoy

a numeric vector giving autumn YOY density (number per square meter) in following year

Source

From (approximately) Figure 5 in Grossman, G.D., R.E. Ratajczak, C.M. Wagner, and J.T. Petty. 2010. Dynamics and regulation of the southern brook trout (Salvelinus fontinalis) population in an Appalachian stream. Freshwater Biology 55:1494-1508. CSV file

Note

The authors fit a linear model to the stock-recruit relationship.

Topic(s)

  • Stock-Recruit

  • Recruitment

Examples

data(BrookTroutNC)
str(BrookTroutNC)
#> 'data.frame':	10 obs. of  2 variables:
#>  $ adult: num  0.05 0.05 0.06 0.0303 0.0303 0.02 0.02 0.0097 0.01 0.0103
#>  $ yoy  : num  0.14 0.0902 0.0697 0.0398 0.0598 0.0398 0.0199 0.0405 0.0293 0.0199
head(BrookTroutNC)
#>    adult    yoy
#> 1 0.0500 0.1400
#> 2 0.0500 0.0902
#> 3 0.0600 0.0697
#> 4 0.0303 0.0398
#> 5 0.0303 0.0598
#> 6 0.0200 0.0398
plot(adult~yoy,data=BrookTroutNC)