Catch-at-age for Walleye from eight Kansas reservoirs.
Catch-at-age for Walleye (Sander vitreus) from eight Kansas reservoirs during 1991-1999.
A data frame with 66 observations on the following 3 variables.
Reservoir (Cedar.Bluff, Cheney, Glen.Elder, Kirwin, Lovewell, Marion, Webster, Wilson)
Age of fish at capture
Number of fish captured
Mortality
Catch curve
The authors used all age-2 and older Walleye to construct the catch curves.
From Figure 2 of Quist, M.C., J.L. Stephen, C.S. Guy, and R.D. Schultz. 2004. Age structure and mortality of Walleyes in Kansas reservoirs: Use of mortality caps to establish realistic management objectives. North American Journal of Fisheries Management 24:990-1002.
data(WalleyeKS) str(WalleyeKS) head(WalleyeKS) 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(log(catch)~age,data=WalleyeKS,subset=(reservoir=="Cedar.Bluff"),main="Cedar Bluff") plot(log(catch)~age,data=WalleyeKS,subset=(reservoir=="Cheney"),main="Cheney") plot(log(catch)~age,data=WalleyeKS,subset=(reservoir=="Glen.Elder"),main="Glen Elder") plot(log(catch)~age,data=WalleyeKS,subset=(reservoir=="Kirwin"),main="Kirwin") plot(log(catch)~age,data=WalleyeKS,subset=(reservoir=="Lovewell"),main="Lovewell") plot(log(catch)~age,data=WalleyeKS,subset=(reservoir=="Marion"),main="Marion") plot(log(catch)~age,data=WalleyeKS,subset=(reservoir=="Webster"),main="Webster") plot(log(catch)~age,data=WalleyeKS,subset=(reservoir=="Wilson"),main="Wilson") par(op)
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