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)

• Stock-Recruit
• Recruitment

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)