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: 

2002

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

Location Fishing Gear Reduction Technique Bycatch Species Effect on Bycatch Species Catch Effect on Target Catch Type Link to edit content
Argentina Gillnets Acoustic deterrent devices Small Cetaceans (maximum length < 7.5 meters), Pontoporia blainvillei (Franciscana dolphin) Reduced dolphin bycatch Sea trout, croaker, letherjack, Patagonian smooth hound No effect Field study in the wild
Argentina Gillnets Acoustic deterrent devices Pinnipeds Increased interactions between gear and sea lions Sea trout, croaker, letherjack, Patagonian smooth hound No effect Field study in the wild