Number of Dredges

Summary

In some scallop dredge fisheries the number of dredges used is regulated to ensure fishing effort remains within manageable limits.

Four dredges suspended in the air alongside the fishing vessel — Scallop dredges suspended in the air alongside the vessel

Size selectivity

This is about managing fishing effort rather than size or species selection. However, its effectiveness can be improved by combining it with other selective measures or regulations suitable for dredge fisheries.

Selection type

Pre-selection

Release effectiveness

Very poor

Retention effectiveness