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Stock and recruitment data for Vendace from Lake Pyhajarvi.

Source: R/VendaceLP2.R
VendaceLP2.Rd

Vendace (Coregonus albula) recruitment in Lake Pyhajarvi.

Format

A data frame of 9 observations on the following 2 variables:

fecundity

Total fecundity (10^9 eggs) of spawning stock

recruits

Number of recruits (10^6 fish) in Autumn after hatching

Source

From (approximately) Figure 6 in Helminen, H. and J. Sarvala. 1994. Population regulation of vendance (Coregonus albula) in Lake Pyhajarvi, southwest Finland. Journal of Fish Biology 45:387-400. CSV file

Note

Original authors fit an exponential curve to the fecundity-recruits relationship.

Topic(s)

  • Stock-Recruit

  • Recruitment

Examples

data(VendaceLP2)
str(VendaceLP2)
#> 'data.frame':	9 obs. of  2 variables:
#>  $ fecundity: int  2 3 6 8 10 9 13 21 22
#>  $ recruits : int  14 5 12 7 4 14 16 15 20
head(VendaceLP2)
#>   fecundity recruits
#> 1         2       14
#> 2         3        5
#> 3         6       12
#> 4         8        7
#> 5        10        4
#> 6         9       14
plot(recruits~fecundity,data=VendaceLP2)