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fishmethods (version 1.9-0)

nshrimp: Data for Gulf of Maine northern shrimp

Description

Recruit and postrecruit survey indices and catch data for Gulf of Maine northern shrimp (Pandulus borealis), 1985-2007

Usage

data(nshrimp)

Arguments

Format

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)