Stock and recruitment data for Crappies from four reservoirs in Arkansas and Mississippi, USA.
Stock and recruitment data for Crappies from four reservoirs in Arkansas and Mississippi, USA.
A data frame of 78 observations on the following 3 variables:
Reservoir (Atkins, Nimrod, Okatibbee, Ross.Barnett)
Number of age-1+ fish per hectare
Number of age-0 fish per hectare
Stock-Recruit
Recruitment
From (approximately) Figure 2 of Allen, M.S. and L.E. Miranda. 1998. An age-structured model for erratic crappie fisheries. Ecological Modeling 107:289-303.
data(CrappieARMS) str(CrappieARMS) head(CrappieARMS) op <- par(mfrow=c(2,2),mar=c(3,3,2,1),mgp=c(1.75,0.5,0),tcl=-0.2,pch=19) plot(recruits~stock,data=CrappieARMS,subset=(reservoir=="Atkins"),main="Atkins") plot(recruits~stock,data=CrappieARMS,subset=(reservoir=="Nimrod"),main="Nimrod") plot(recruits~stock,data=CrappieARMS,subset=(reservoir=="Okatibbee"),main="Okatibbee") plot(recruits~stock,data=CrappieARMS,subset=(reservoir=="Ross.Barnett"),main="Ross Barnett") par(op)
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