Reducing incidental mortality of Franciscana dolphin Pontoporia blainvillei with acoustic warning devices attached to fishing nets.

Authors
Bordino, P., Kraus, S., Albareda, D., Fazio, A., Palmerio, A., Mendez, M. & Botta, S.
Year
Journal/Publisher Name
Marine Mammal Science
Volume (Issue #)
18
Page #s
833-842
Summary
Pingers are effective in reducing the bycatch of Franciscana dolphins (Pontoporia blainvillei) but increase interactions between fishing gear and South American sea lions (Otaria byronia) in an Argentinian bottom gillnet fishery.

Field Studies

Reducing incidental mortality of Franciscana dolphin Pontoporia blainvillei with acoustic warning devices attached to fishing nets.

Study Type
Field study in the wild
Location
Argentina
Target catch
Sea trout, croaker, letherjack, Patagonian smooth hound
Effect on bycatch species
Increased interactions between gear and sea lions
Effect on target catch
No effect
Bycatch species
Pinnipeds
Reduction technique
Acoustic deterrent devices
Fishing Gear
Gillnets

Reducing incidental mortality of Franciscana dolphin Pontoporia blainvillei with acoustic warning devices attached to fishing nets.

Study Type
Field study in the wild
Location
Argentina
Target catch
Sea trout, croaker, letherjack, Patagonian smooth hound
Effect on bycatch species
Reduced dolphin bycatch
Effect on target catch
No effect
Bycatch species
Small Cetaceans (maximum length < 7.5 meters)
Pontoporia blainvillei (Franciscana dolphin)
Reduction technique
Acoustic deterrent devices
Fishing Gear
Gillnets