Description

Each line consists of the capture history over four samples of Northern Pike (Esox lucius) in Buckhorn Marsh. This file contains the capture histories for only those pike captured from April 1-4.

Format

A data frame with 57 observations on the following 4 variables.

id

A unique identification numbers

first

Indicator variable for the first sample (1=captured)

second

Indicator variable for the second sample (1=captured)

third

Indicator variable for the third sample (1=captured)

fourth

Indicator variable for the fourth sample (1=captured)

Topic(s)

• Population Size

• Abundance

• Mark-Recapture

• Capture-Recapture

• Schnabel

• Schumacher-Eschmeyer

• Capture History

Source

Summary values taken from Table C-1 of New York Power Authority. 2004. Use of Buckhorn Marsh and Grand Island tributaries by Northern Pike for spawning and as a nursery. Technical report, New York Power Authority, January 2004. Niagara Power Project (FERC No. 2216).

See Also

Used in capHistSum and mrClosed examples. Also see PikeNY.

Examples