Summary results of capture histories (number captured, number of recaptured fish, and number of unmarked fish that were marked) for all Buckhorn Marsh Northern Pike (Esox lucius).

Format

A data frame with 21 observations on the following 4 variables:

date

Capture date

n

Total fish captured in each sample

m

Marked fish captured in each sample

R

Marked fish returned to the population

Source

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).

Topic(s)

  • Population Size

  • Abundance

  • Mark-Recapture

  • Capture-Recapture

  • Schnabel

  • Schumacher-Eschmeyer

See also

Used in mrClosed examples. Also see PikeNYPartial1.

Examples

str(PikeNY)
#> 'data.frame':	21 obs. of  4 variables:
#>  $ date: Factor w/ 21 levels "1-Apr","1-May",..: 15 16 19 20 1 12 17 21 3 4 ...
#>  $ n   : int  2 3 2 3 20 18 14 9 17 6 ...
#>  $ m   : int  0 0 0 0 2 3 4 4 14 5 ...
#>  $ R   : int  2 3 2 3 20 18 13 9 17 6 ...
head(PikeNY)
#>     date  n m  R
#> 1 28-Mar  2 0  2
#> 2 29-Mar  3 0  3
#> 3 30-Mar  2 0  2
#> 4 31-Mar  3 0  3
#> 5  1-Apr 20 2 20
#> 6  2-Apr 18 3 18