CCatfishNB {FSAdata}R Documentation

Catch-at-age of Channel Catfish from two sections of the Platte River, NB.

Description

Catch-at-age of Channel Catfish (Ictalurs puncatatus) from two sections of the Platte River, NB, in 2007 and 2008.

Format

A data frame of 26 observations on the following 3 variables:

age

Age (years) assigned from pectoral spines

catch

Number of captured fish with baited hoopnets and electrofishing

loc

Location of collection (Central and Lower)

Topic(s)

Note

Used in the Introductory Fisheries Analyses with R book.

Source

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.]

Examples

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)


[Package FSAdata version 0.3.7 Index]