WalleyeWyrlng: Annual catches of yearling Walleye in bottom trawls from Lake Winnebago, WI, 1986-2010.
Description
Annual catches of yearling Walleye (Sander vitreus) in bottom trawls from Lake Winnebago, WI, 1986-2010.
Arguments
Format
A data frame with 35 observations on the following 4 variables.
tows
Number of trawl tows (i.e., effort)
year
Year of capture
yearlings
Number of yearling Walleye captured
yrclass
Year-class of the captured yearlings (capture year minus 1)
Topic(s)
Year-class Strength
Recruitment
Details
The catch of yearling Walleye and number of trawl tows by year are in this data.frame. The CPE is catch divided by number of tows. Koenigs et al. (2015) rescaled the CPE values to have a mean of 0 and a standard deviation of 1.