CCatfishNB: Catch-at-age of Channel Catfish from two sections of the...
In FSAdata: Data to Support Fish Stock Assessment ('FSA') Package

CCatfishNB

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)

Mortality
Catch curve

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. CSV file

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)

FSAdata documentation built on Aug. 24, 2023, 5:06 p.m.