Summarized mark-recapture data for Muskellunge from many Wisconsin Lakes, 2006.

The number of Muskellunge (Esox masquinongy) from a variety of lakes in Wisconsin, 2006.

Format

A data frame with 40 observations on the following 7 variables.

county: County of the collection
lake: Lake of the collection
sex: Sex of the Muskellunge (male, female, unknown, total)
mark: Total number of fish marked on the marking run
catch: Total number of fish caught on the recapture run
recap: Total number of previously marked fish in the recapture run

Source

Wisconsin Department of Natural Resources. CSV file

Topic(s)

Population Size
Abundance
Mark-Recapture
Capture-Recapture
Petersen

Examples

data(MuskieWI06MR)
str(MuskieWI06MR)
#> 'data.frame':	40 obs. of  6 variables:
#>  $ county: Factor w/ 5 levels "Langlade","Oneida",..: 1 1 1 1 2 2 2 2 2 2 ...
#>  $ lake  : Factor w/ 10 levels "Big.Arbor.Vitae",..: 4 4 4 4 3 3 3 3 8 8 ...
#>  $ sex   : Factor w/ 4 levels "female","male",..: 2 1 4 3 2 1 4 3 2 1 ...
#>  $ mark  : int  72 38 8 118 22 23 1 46 35 42 ...
#>  $ catch : int  54 22 6 82 14 15 0 29 16 33 ...
#>  $ recap : int  33 7 0 40 9 5 0 14 4 5 ...
head(MuskieWI06MR)
#>     county       lake     sex mark catch recap
#> 1 Langlade Enterprise    male   72    54    33
#> 2 Langlade Enterprise  female   38    22     7
#> 3 Langlade Enterprise unknown    8     6     0
#> 4 Langlade Enterprise   total  118    82    40
#> 5   Oneida      Clear    male   22    14     9
#> 6   Oneida      Clear  female   23    15     5