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.

Examples

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