Description

The wolffish data frame has 25 rows and 2 columns. The mean catch per tow values were digitized from Figure 4 of Helser and Hayes (1995) and back-transformed to the original scale.

Usage

Format

This data frame contains the following columns:

year

survey year of catch per tow

index

mean catch per tow value (untransformed)

Source

Helser, T. E. and D. B. Hayes. 1995. Providing quantitative management advice from stock abundance indices based on research surveys. Fishery Bulletin 93: 290-298.