Stock and recruitment data for Blackwater Estuary Herring (Clupea harengus), 1962-1997 spawning years.
A data frame with 36 observations on the following 3 variables.
a numeric vector of spawning years
a numeric vector giving biomass of spawning fish
a numeric vector containing the number of recruits
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.
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)
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