HerringBWE {FSAdata}R Documentation

Stock and recruitment data for Blackwater Estuary Herring, 1962-1997.

Description

Stock and recruitment data for Blackwater Estuary Herring (Clupea harengus), 1962-1997 spawning years.

Format

A data frame with 36 observations on the following 3 variables.

spawning.year

a numeric vector of spawning years

ssb

a numeric vector giving biomass of spawning fish

recruits

a numeric vector containing the number of recruits

Topic(s)

Source

From Fox, C.J. 2001. Recent trends in stock-recruitment of Blackwater herring (Clupea harengus L.) in relation to larval production. ICES Journal of Marine Science, 58:750-762.

Examples

data(HerringBWE)
str(HerringBWE)
head(HerringBWE)
op <- par(mfrow=c(1,2))
plot(recruits~spawning.year,data=HerringBWE,type="l")
plot(recruits~ssb,data=HerringBWE)
par(op)


[Package FSAdata version 0.3.7 Index]