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Ages and lengths of Morwong.

Source: R/Morwong4.R
Morwong4.Rd

Assigned ages (from otoliths) and fork lengths of Jackass Morwong (Nemadactylus macropterus) from the Eastern portion of the Southern and Eastern Scalefish and Shark Fishery (SESSF) in 2000.

Format

A data frame with 392 observations on the following 2 variables:

fl

Measured fork lengths (cm).

age

Assigned ages (from otoliths).

Source

Ffrom appendix 1 of of Restall, J.E., and K. Krusic-Golub. 2004. Development of jackass morwong age-length keys for 2000-2002. Final report to Australian Fisheries Management Authority. 13 pp. Primary Industries Research Victoria, Queenscliff. CSV file

Topic(s)

  • Growth

  • von Bertalanffy

See also

Morwong4a.

Examples

data(Morwong4)
str(Morwong4)
#> 'data.frame':	392 obs. of  2 variables:
#>  $ fl : int  19 20 20 20 23 24 25 28 20 22 ...
#>  $ age: int  2 2 2 2 2 2 2 2 3 3 ...
head(Morwong4)
#>   fl age
#> 1 19   2
#> 2 20   2
#> 3 20   2
#> 4 20   2
#> 5 23   2
#> 6 24   2
plot(fl~age,data=Morwong4)