CodNorwegian {FSA} | R Documentation |
Stock and recruitment data for Norwegian cod, 1937-1960.
Description
Norwegian cod (Gadus morhua) stock and recruitment by year, 1937-1960.
Format
A data frame of 24 observations on the following 3 variables:
- year
Year of data
- recruits
Recruits – year-class strength index
- stock
Spawning stock index
Topic(s)
Stock-Recruit
Recruitment
Source
From Garrod, D.J. 1967. Population dynamics of the Arcto-Norwegian Cod. Journal of the Fisheries Research Board of Canada, 24:145-190. CSV file
See Also
Used in srStarts
, srFuns
, and nlsTracePlot
examples.
Examples
str(CodNorwegian)
head(CodNorwegian)
op <- par(mfrow=c(1,2),pch=19,mar=c(3,3,0.5,0.5),mgp=c(1.9,0.5,0),tcl=-0.2)
plot(recruits~year,data=CodNorwegian,type="l")
plot(recruits~stock,data=CodNorwegian)
par(op)
[Package FSA version 0.9.5 Index]