Review and evaluation of three mitigation measures – bird-scaring line, underwater setting and line shooter–to reduce seabird bycatch in the north Atlantic longline fishery
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Published source details
Løkkeborg S. (2003) Review and evaluation of three mitigation measures – bird-scaring line, underwater setting and line shooter–to reduce seabird bycatch in the north Atlantic longline fishery. Fisheries Research, 60, 11-16.
Published source details Løkkeborg S. (2003) Review and evaluation of three mitigation measures – bird-scaring line, underwater setting and line shooter–to reduce seabird bycatch in the north Atlantic longline fishery. Fisheries Research, 60, 11-16.
Actions
This study is summarised as evidence for the following.
Action | Category | |
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Set lines underwater to reduce seabird bycatch Action Link |
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Use streamer lines to reduce seabird bycatch on longlines Action Link |
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Set lines underwater to reduce seabird bycatch
A review of two randomised, replicated and controlled studies off the coast of Norway (Løkkeborg 2003) found that fewer northern fulmars Fulmarus glacialis were caught on longline hooks when an underwater setting funnel was used (34 birds and 0.08-0.49 birds/1,000 hooks) compared to control line sets (174 birds and 1.06-1.75 birds/1,000 hooks). Both papers are outlined above.
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Use streamer lines to reduce seabird bycatch on longlines
A literature review of three replicated and controlled studies off the coast of Norway (Løkkeborg 2003), found that only two northern fulmars Fulmarus glacialis were caught on 185,000 longline hooks when a streamer line was deployed, compared with 205 birds (mostly fulmars) from a similar number of hooks without streamer lines. The three studies (6, 11, 14) are outlined in detail above.
Output references
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