Catch-at-age of Channel Catfish from two sections of the Platte River, NB.
Catch-at-age of Channel Catfish (Ictalurs puncatatus) from two sections of the Platte River, NB, in 2007 and 2008.
A data frame of 26 observations on the following 3 variables:
Age (years) assigned from pectoral spines
Number of captured fish with baited hoopnets and electrofishing
Location of collection (Central and Lower)
Mortality
Catch curve
Used in the Introductory Fisheries Analyses with R book.
From (approximately) Figure 3-14 in Barada, T.J. 2009. Catfish population dynamics in the Platte River, Nebraska. Master's thesis, University of Nebraska, Lincoln, NE. [Was (is?) from http://nlc1.nlc.state.ne.us/epubs/U1500/B013-2009.pdf.]
data(CCatfishNB) str(CCatfishNB) head(CCatfishNB) op <- par(mfrow=c(1,2),pch=19) plot(log(catch)~age,data=CCatfishNB,subset=loc=="Central",main="Central") plot(log(catch)~age,data=CCatfishNB,subset=loc=="Lower",main="Lower") par(op)
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