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)
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. CSV file
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 0.4.1 Index]