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Pingers as deterrents of bottlenose dolphins interacting with trammel nets

Study Type
Field study in the wild
Location
Mediterranean, Balearic Islands
Target catch
Red mullet
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)
Reduction technique
Acoustic deterrent devices
Fishing Gear
Gillnets

Behavioral responses of bottlenose dolphins, Tursiops truncatus, to gillnets and acoustic alarms

Study Type
Field study in the wild
Location
North Carolina, USA
Target catch
Mixed
Effect on bycatch species
No difference on group size or closest approach to the net between active and control pingers
Effect on target catch
None
Bycatch species
Small Cetaceans (maximum length < 7.5 meters)
Reduction technique
Acoustic deterrent devices
Fishing Gear
Gillnets

Behavioral responses of bottlenose dolphins, Tursiops truncatus, to gillnets and acoustic alarms

Study Type
Field study in the wild
Location
North Carolina, USA
Target catch
Mixed
Effect on bycatch species
No difference on group size or closest approach to the net between active and control pingers
Effect on target catch
None
Bycatch species
Small Cetaceans (maximum length < 7.5 meters)
Reduction technique
Acoustic deterrent devices
Fishing Gear
Gillnets

Behavioral responses of bottlenose dolphins, Tursiops truncatus, to gillnets and acoustic alarms

Study Type
Field study in the wild
Location
North Carolina, USA
Target catch
Mixed
Effect on bycatch species
No difference on group size or closest approach to the net between active and control pingers
Effect on target catch
None
Bycatch species
Small Cetaceans (maximum length < 7.5 meters)
Reduction technique
Acoustic deterrent devices
Fishing Gear
Gillnets

no title provided

Study Type
Field study in the wild
Location
North Carolina, USA
Target catch
Spanish mackerel and spot
Effect on bycatch species
Significantly reduced bycatch of some shark species
Effect on target catch
No difference in similar mesh size in Spanish mackerel fishery or the spot fishery. The trend was for higher catch rates in modified nets in the spot fishery.
Bycatch species
Sharks
Reduction technique
Tensioning gillnet
Fishing Gear
Gillnets

no title provided

Study Type
Field study in the wild
Location
North Carolina, USA
Target catch
Spanish mackerel and spot
Effect on bycatch species
Significantly reduced bycatch of some shark species
Effect on target catch
No difference in similar mesh size in Spanish mackerel fishery or the spot fishery. The trend was for higher catch rates in modified nets in the spot fishery.
Bycatch species
Sharks
Reduction technique
Tensioning gillnet
Fishing Gear
Gillnets

no title provided

Study Type
Field study in the wild
Location
North Carolina, USA
Target catch
Spanish mackerel and spot
Effect on bycatch species
Significantly reduced bycatch of some shark species
Effect on target catch
No difference in similar mesh size in Spanish mackerel fishery or the spot fishery. The trend was for higher catch rates in modified nets in the spot fishery.
Bycatch species
Sharks
Reduction technique
Tensioning gillnet
Fishing Gear
Gillnets
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