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

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Citation: Bordino, P., Kraus, S., Albareda, D., Fazio, A., Palmerio, A., Mendez, M. & Botta, S., 2002. Reducing incidental mortality of Franciscana dolphin Pontoporia blainvillei with acoustic warning devices attached to fishing nets.. Marine Mammal Science, 18, ps 833-842.
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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
Argentina Gillnets Acoustic pingers Small Cetaceans (maximum length < 7.5 meters) Reduced dolphin bycatch Trout In the wild
Argentina Gillnets Acoustic pingers Pinnipeds Increased interactions between gear and sea lions Scallop In the wild