Bird-scaring devices

A number of devices used to disturb birds from foraging on bait. These include streamers attached to a pole suspended above the area where bait is set or placed in the water, towed buoys, and water jets (Melvin et al. 2010).

Displaying 11 - 20 of 20

Study Type: 

Field study in the wild

Location: 

South Africa

Target catch: 

tuna

Effect on bycatch species: 

The mean total attack rate was similar for each design but diving birds attacked further astern in response to both tori line types compared to surface foraging birds. The "hybrid" line did not allow attacks by divers within 50 m but the "light" line al

Effect on target catch: 

None reported

Article: 

Bycatch species: 

Reduction technique: 

Fishing Gear: 

Study Type: 

Field study in the wild

Location: 

Southern Brazil

Target catch: 

Swordfish, blue sharks

Effect on bycatch species: 

Reduced incidental capture of seabirds by 64%

Effect on target catch: 

Increased catch rates of target species (swordfish by 32% and blue sharks by 15.1%)

Article: 

Bycatch species: 

Reduction technique: 

Fishing Gear: 

Study Type: 

Field study in the wild

Location: 

Norway

Target catch: 

Torsk (Brosme brosme), ling (Molva molva) and haddock (Melanogrammus aeglefinus)

Effect on bycatch species: 

Reduced incidental capture of seabirds, mostly fulmars

Effect on target catch: 

Increased target catch rates

Article: 

Bycatch species: 

Reduction technique: 

Fishing Gear: 

Study Type: 

Field study in the wild

Location: 

New Zealand

Target catch: 

Swordfish

Effect on bycatch species: 

Reduced bycatch

Bycatch species: 

Reduction technique: 

Fishing Gear: 

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