Dye baits to reduce seabird bycatch
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Overall effectiveness category Unknown effectiveness (limited evidence)
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Number of studies: 1
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Effectiveness
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Supporting evidence from individual studies
A randomised, replicated and controlled experiment in February 1999, in the Northwestern Islands, Hawaii, USA (Boggs 2001), found that dyeing squid bait blue when setting hookless bait lines reduced attacks by black-footed Phoebastria nigripes and Laysan P. immutabilis albatrosses by 95% and 94% respectively, compared to lines set with un-dyed baits (measured as attacks/bird/100 branch lines). Twenty-four repeats of each treatment were used, set during the day to mimic longline setting for swordfish.
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This Action forms part of the Action Synopsis:
Bird Conservation
Bird Conservation - Published 2013
Bird Synopsis