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Pacific Halibut (Hippoglossus stenolepis) stock, recruitment, landings, and fishing mortality by year, 1929-1991.

Format

A data frame of 63 observations on the following 5 variables:

year

Year of data

ssb

Spawning stock biomass (tonnes)

rec

Recruits (thousands)

land

Landings (in millions of pounds)

fmort

Fishing related mortality

Source

From Anonymous. 1989. International Pacific Halibut Commission. Annual Report 1989.; Myhre, Gordon, Peltonen, Stpierre, Skud, and Walden. International Pacific halibut Commission. Technical Report No. 14.; Pers. Comm. with Pat Sullivan. Obtained from Ransom Myers old online database. CSV file

Topic(s)

  • Stock-Recruit

  • Recruitment

Examples

data(HalibutPAC)
str(HalibutPAC)
#> 'data.frame':	63 obs. of  5 variables:
#>  $ year : int  1929 1930 1931 1932 1933 1934 1935 1936 1937 1938 ...
#>  $ ssb  : num  NA NA NA NA NA ...
#>  $ rec  : num  NA NA NA NA NA ...
#>  $ land : num  56.9 49.4 44.2 44.5 46.8 47.5 47.3 48.9 49.5 49.6 ...
#>  $ fmort: num  NA NA NA NA NA NA 0.27 0.37 0.37 0.32 ...
head(HalibutPAC)
#>   year ssb rec land fmort
#> 1 1929  NA  NA 56.9    NA
#> 2 1930  NA  NA 49.4    NA
#> 3 1931  NA  NA 44.2    NA
#> 4 1932  NA  NA 44.5    NA
#> 5 1933  NA  NA 46.8    NA
#> 6 1934  NA  NA 47.5    NA
op <- par(mfrow=c(1,2),pch=19)
plot(rec~year,data=HalibutPAC,type="l")
plot(rec~ssb,data=HalibutPAC)

par(op)