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Field Study 739

Study Type
Field study in the wild
Location
South Carolina
Target catch
None reported
Effect on bycatch species
Neodymium-iron-boron magnets significantly reduced catches of Atlantic sharpnose shark and smooth dogfish.
Effect on target catch
There were no differences in the catch rates of several fish species, including Atlantic croaker, oyster toadfish, black sea bass and bluefish when magnets were used.
Bycatch species
Elasmobranchs
Reduction technique
Electromagnetic deterrents
Fishing Gear
Hooks-and-Lines

Field Study 739

Study Type
Field study in the wild
Location
South Carolina
Target catch
None reported
Effect on bycatch species
Neodymium-iron-boron magnets significantly reduced catches of Atlantic sharpnose shark and smooth dogfish.
Effect on target catch
There were no differences in the catch rates of several fish species, including Atlantic croaker, oyster toadfish, black sea bass and bluefish when magnets were used.
Bycatch species
Elasmobranchs
Reduction technique
Electromagnetic deterrents
Fishing Gear
Hooks-and-Lines

Field Study 756

Study Type
Field study in the wild
Location
Cornwall
Target catch
None reported
Effect on bycatch species
There was a significant difference in the number of porpoise clicks between nets with and without pingers, but the extent of displacement could not be determined. No evidence of habituation to the pingers.
Effect on target catch
None reported
Bycatch species
Small Cetaceans (maximum length < 7.5 meters)
Phocoena phocoena (Harbor porpoise)
Reduction technique
Acoustic deterrent devices
Fishing Gear
Gillnets
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