The effect of acoustic alarms on the by-catch of harbour porpoises in the Danish North Sea gill net fishery

Location
North Sea
Article
The effect of acoustic alarms on the by-catch of harbour porpoises in the Danish North Sea gill net fishery
Target catch
Atlantic cod (Gadus morhua)
Study Type
Field study in the wild
Effect on target catch
None reported
Effect on bycatch species
Reduced catch rates from 0.00229 and 0.00295 for nets with dummy pingers and no pingers respectively, to 0.00015 for nets with active pingers
Bycatch species
Small Cetaceans (maximum length < 7.5 meters)
Phocoena phocoena (Harbor porpoise)
Fishing Gear
Gillnets and Entangling Nets
Reduction technique
Acoustic deterrent devices