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Recruitment time-series for Rainbow Smelt in Lake Erie, 1977-1996.

Source: R/RBSmeltErie.R
RBSmeltErie.Rd

Rainbow Smelt (Osmerus mordax) recruitment time series for Lake Erie, 1977-1996.

Format

A data frame of 20 observations on the following 2 variables:

year

Year of data.

recruits

Number of recruits (per hour).

Source

From Ontario Ministry of Natural Resources, Fish and Wildlife Branch, 1997. Lake Erie fisheries report 1996. Lake Erie Committee Meeting, Great Lakes Fishery Commission, Ann Arbor, Michigan. pp 26. Obtained from Ransom Myers old online database. CSV file

Note

Zeros were changed to 0.1 in 1984, 1987, 1991, and 1994.

Topic(s)

  • Recruitment time-series

Examples

data(RBSmeltErie)
str(RBSmeltErie)
#> 'data.frame':	20 obs. of  2 variables:
#>  $ year    : int  1977 1978 1979 1980 1981 1982 1983 1984 1985 1986 ...
#>  $ recruits: num  183 195 178 242 76 23 12 0.1 53 960 ...
head(RBSmeltErie)
#>   year recruits
#> 1 1977      183
#> 2 1978      195
#> 3 1979      178
#> 4 1980      242
#> 5 1981       76
#> 6 1982       23
plot(recruits~year,data=RBSmeltErie,type="l")