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Recruit and postrecruit survey indices and catch data for Gulf of Maine northern shrimp (Pandulus borealis), 1985-2007
data(nshrimp)
A data frame with 23 observations on the following 4 variables.
year
a numeric vector describing the year
r
a numeric vector of the recruit index
n
a numeric vector of the postrecruit index
C
a numeric vector of the landings (in numbers)