Summarized single mark-recapture data for Brook Trout across many years.

The number of Brook Trout (Salvelinus fontinalis) marked, captured, and recaptured for several years on Meach Lake in central Ontario.

Format

A data frame with 7 observations on the following 5 variables.

year: Year of the collection
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
correction: Number of age-1 fish to be added to final estimated based on mark-recapture to correct for gear selectivity of age-1 fish

Source

From Table 1 of Curry, R.A., C. Brady, and G.E. Morgan. 2003. Effects of Recreational Fishing on the Population Dynamics of Lake-Dwelling Brook Trout. North American Journal of Fisheries Management 23:35-47. CSV file

Topic(s)

Population Size
Abundance
Mark-Recapture
Capture-Recapture
Petersen

Examples

data(BrookTroutOnt)
str(BrookTroutOnt)
#> 'data.frame':	7 obs. of  5 variables:
#>  $ year      : int  1994 1993 1992 1991 1990 1989 1988
#>  $ mark      : int  312 441 224 261 296 325 337
#>  $ catch     : int  83 75 43 101 75 90 97
#>  $ recap     : int  23 22 18 32 29 44 55
#>  $ correction: int  87 145 101 98 210 46 156
head(BrookTroutOnt)
#>   year mark catch recap correction
#> 1 1994  312    83    23         87
#> 2 1993  441    75    22        145
#> 3 1992  224    43    18        101
#> 4 1991  261   101    32         98
#> 5 1990  296    75    29        210
#> 6 1989  325    90    44         46