Do pingers reduce interactions between bottlenose dolphins and nets around the Balearic Islands?

Authors: 
Brotons, J.M., Munilla, Z., Grau, A.M., Rendell, L.,
Year: 
2008
Journal/Publisher Name: 
Endangered Species Research
Volume/Issue #: 
5
Page #s: 
1-8
A large scale pinger trial was conducted and results showed a 49% decrease dolphin depredation rates when pingers were active. However the different pinger brands tried were not equally effective in reducing depredation.
Field Studies:
Location Fishing gear Reduction technique Bycatch species Effect on bycatch species Catch Effect on target catch Type
Balearic Islands, Mediterranean Sea Gillnets Acoustic pingers Small Cetaceans (maximum length < 7.5 meters) 49% reduction in depredation rate by bottlenose dolphins (Tursiops truncatus) Mixed species Increased target catch (but not significant) In the wild