Stock and recruitment data for Yellow Perch in Chequamegon Bay, 1975-1986.
Yellow Perch (Perca flavescens) stock-recruitment by year-class in Chequamegon Bay, 1975-1986.
A data frame with 12 observations on the following 2 variables:
Year-class (see below)
Estimated numbers of mature females caught the year prior to the origin of the 1975-1986 year classes
Catches of age-2 fish (when the year-class is formed)
Stock-Recruit
Recruitment
From (approximately) Figure 7 in Bronte et al. 1993. Dynamics of a yellow perch population in Western Lake Superior. North American Journal of Fisheries Management. 13:511-523.
data(YPerchCB2) str(YPerchCB2) head(YPerchCB2) op <- par(mfrow=c(1,2),pch=19) plot(recruits~yrclass,data=YPerchCB2,type="b") plot(recruits~stock,data=YPerchCB2) par(op)
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