Pingers as deterrents of bottlenose dolphins interacting with trammel nets

Authors
Gazo, M., Gonzalvo, ,J. and A. Aguilar
Year
Journal/Publisher Name
Fisheries Research
Volume (Issue #)
92
Page #s
70-75
Summary

The experiment tested the effects of Aquamark 100 pingers on the depredation rate of bottlenose dolphins (Tursiops truncatus) on trammel nets. Results showed nets equipped with pingers had 87% fewer holes (attributed to damage by dolphins) than nets without pingers.

Link
http://www.sciencedirect.com/science/article/pii/S0165783607003669

Field Studies

Pingers as deterrents of bottlenose dolphins interacting with trammel nets

Study Type
Field study in the wild
Location
Balearic Islands, Spain
Target catch
Red mullet (Mullus barbatus)
Effect on bycatch species
Reduced bottlenose dolphin (Tursiops truncatus) depredation
Effect on target catch
Increased target catch and reduced dolphin damage to the catch
Bycatch species
Small Cetaceans (maximum length < 7.5 meters)
Tursiops truncatus (Bottlenose dolphin)
Reduction technique
Acoustic deterrent devices
Fishing Gear
Gillnets and Entangling Nets