counts: Run size data for alewife (Alosa pseudoharengus)

Description

The counts data frame has 31 rows and 2 columns. Run size data of alewife (Alosa pseudoharengus) in Herring River, MA from 1980-2010

Usage

1

Format

This data frame contains the following columns:

year

vector of run year

number

vector of run counts in number of fish

Source

Massachusetts Division of Marine Fisheries, 30 Emerson Avenue, Gloucester, MA


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