Research Document - 2000/088

Catch rate data from logbooks for the less-than-35ft sector.

By P.A. Shelton and E.F. Murphy

Abstract

Catch and effort data recorded in logbooks maintained by participants in both the index fishery in 1998 and the commercial fishery in 1999 were examined. Some data from 1997, mostly from sentinel fishermen, is also included. The mean and median catch rates were computed by year, month and location. For the study of location both unit area and the finer spatial scale of statistical section were examined. The spatial patterns were similar in the two years, with catch rates very low north of White Bay, increasing from White Bay to eastern Notre Dame Bay, generally highest from northern Bonavista Bay to western Trinity Bay, lower from eastern Trinity Bay to the eastern Avalon Peninsula and increasing again on the southern Avalon Peninsula. No inferences about annual trends could be drawn from just two years of data, especially since the dates of the fishing varied between the two years.

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