Description

The yellowtail data frame has 22 rows and 2 columns. The average catch per tow values were digitized from Figure 4 of Pennington (1986)

Usage

Format

This data frame contains the following columns:

year

survey year of catch per tow

index

average catch per tow value (untransformed)

Source

Pennington, M. P. 1986. Some statistical techniques for estimating abundance indices from trawl surveys. Fishery Bulletin 84(3): 519-525.