Small Cetaceans (maximum length < 7.5 meters)

Displaying 71 - 80 of 80

A field experiment using acoustic alarms (pingers) to reduce harbour porpoise by-catch in bottom-set gillnets

Study Type: 

Field study in the wild

Location: 

Sweden

Target catch: 

Cod and pollock

Effect on bycatch species: 

No bycatch in nets with or without pingers

Effect on target catch: 

Did not affect target catch

Article: 

A field experiment using acoustic alarms (pingers) to reduce harbour porpoise by-catch in bottom-set gillnets

Bycatch species: 

Reduction technique: 

Fishing Gear: 

Field Experiments Show That Acoustic Pingers Reduce Marine Mammal Bycatch in the California Drift Gill Net Fishery

Study Type: 

Field study in the wild

Location: 

California

Target catch: 

Swordfish & Shark

Effect on bycatch species: 

Reduced bycatch

Effect on target catch: 

Did not affect catch

Article: 

Field Experiments Show That Acoustic Pingers Reduce Marine Mammal Bycatch in the California Drift Gill Net Fishery

Bycatch species: 

Reduction technique: 

Fishing Gear: 

Field Study 122

Study Type: 

Field study in the wild

Location: 

Argentina

Target catch: 

Sea trout, croaker, letherjack, Patagonian smooth hound

Effect on bycatch species: 

Reduced dolphin bycatch

Effect on target catch: 

No effect

Article: 

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

Bycatch species: 

Reduction technique: 

Fishing Gear: 

Deterring harbour porpoise from gillnets: observed reactions to passive reflectors and pingers

Study Type: 

Field study in the wild

Location: 

Canada

Target catch: 

n/a

Effect on bycatch species: 

92.4% of porpoise groups avoided pinger equipped floatlines

Effect on target catch: 

n/a

Article: 

Deterring harbour porpoise from gillnets: observed reactions to passive reflectors and pingers

Bycatch species: 

Reduction technique: 

Fishing Gear: 

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