Ages and lengths of Eastern Mosquitofish from ten locations from southern France to southern Spain.

Ages and lengths of Eastern Mosquitofish (Gambusia holbrooki) from ten locations from southern France to southern Spain.

Format

A data frame with the following 8 variables:

site

Site (as a name) of capture.

sitenum

Site (as a number) of capture.

day

Day of capture.

month

Month of capture.

year

Year of capture.

sl

Standard length (to nearest 0.01 cm).

age

Age in integer years.

age2

Age in decimal years.

Source

From figure 3 of Carmona-Catot, G., A.F.G.N. Santos, P.A. Tedesco, and E. Garcia-Berthou. 2014. Quantifying seasonality along a latitudinal gradient: From stream temperature to growth of invasive mosquitofish. Ecosphere 5:134. CSV file

Topic(s)

• Growth

• Seasonal Growth

• von Bertalanffy

• Somers model

Examples

data(Mosquitofish)
str(Mosquitofish)
#> 'data.frame':	9126 obs. of  8 variables:
#>  $ site   : Factor w/ 10 levels "Altea","Bourdigou",..: 1 1 1 1 1 1 1 1 1 1 ...
#>  $ sitenum: int  9 9 9 9 9 9 9 9 9 9 ...
#>  $ day    : int  8 8 8 8 8 8 8 8 8 8 ...
#>  $ month  : int  2 2 2 2 2 2 2 2 2 2 ...
#>  $ year   : int  2007 2007 2007 2007 2007 2007 2007 2007 2007 2007 ...
#>  $ sl     : num  13.6 14.3 15.5 16.1 16.5 ...
#>  $ age    : int  0 0 0 0 0 0 0 0 0 0 ...
#>  $ age2   : num  0.523 0.523 0.523 0.523 0.523 ...
head(Mosquitofish)
#>    site sitenum day month year    sl age      age2
#> 1 Altea       9   8     2 2007 13.55   0 0.5232877
#> 2 Altea       9   8     2 2007 14.26   0 0.5232877
#> 3 Altea       9   8     2 2007 15.46   0 0.5232877
#> 4 Altea       9   8     2 2007 16.11   0 0.5232877
#> 5 Altea       9   8     2 2007 16.49   0 0.5232877
#> 6 Altea       9   8     2 2007 16.67   0 0.5232877
plot(sl~age2,data=Mosquitofish)