WalleyePL {FSAdata}

Summarized multiple mark-recapture data for YOY walleye.

Description

The numbers of young-of-year walleye (Sander vitreus) that were captured, found to have previous marks (i.e., recaptured), and were newly marked on several sampling occasions in 1959, 1960, 1961, and 1962 in Pike Lake, Wisconsin.

Format

A data frame with 33 observations on the following 5 variables:

year

Sampling year

t

Sampling occasion within each year

caught

Number of walleye captured

recaptures

Number of marked walleyes captured

newmarks

Number of unmarked walleyes that were captured, marked, and returned to the population

Topic(s)

• Population Size

• Abundance

• Mark-Recapture

• Capture-Recapture

• Schnabel

• Schumacher-Eschmeyer

Source

From table 3 of Mraz, D. 1968. Recruitment, growth, exploitation, and management of walleyes in a southeastern Wisconsin lake. Wisconsin Department of Natural Resources Technical Bulletin 40. 38 pages. CSV file

Examples

data(WalleyePL)
str(WalleyePL)
WalleyePL
subset(WalleyePL,year==1960)