Determining optimal pinger spacing for harbor porpoise bycatch mitigation

Location
North Sea
Article
Determining optimal pinger spacing for harbor porpoise bycatch mitigation
Target catch
Hake (Merluccius merluccius)
Study Type
Field study in the wild
Effect on target catch
None reported
Effect on bycatch species
Pingers spaced at 455 m had 0 bycatch; pingers spaced at 585 m had a bycatch rate of 0.12
Bycatch species
Small Cetaceans (maximum length < 7.5 meters)
Phocoena phocoena (Harbor porpoise)
Fishing Gear
Gillnets and Entangling Nets
Reduction technique
Acoustic deterrent devices