Mitigation of seabird mortality on factory trawlers: trials of three devices to reduce warp cable strikes

Sullivan, B.J.; Brickle, P.; Reid, T.A.; Bone, D.G.; Middleton, D.A.J.. 2006 Mitigation of seabird mortality on factory trawlers: trials of three devices to reduce warp cable strikes. Polar Biology, 29 (9). 745-753. https://doi.org/10.1007/s00300-006-0111-z

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Official URL: http://dx.doi.org/10.1007/s00300-006-0111-z

Abstract/Summary

Experimental trials were conducted onboard a stern trawler to identify the relative efficacy of three emerging mitigation measures (tori lines, warp scarer and Brady baffler) designed to reduce seabird mortality caused by warp cable strikes. The use of mitigation measures was clearly shown to substantially reduce seabird mortalities from collisions between seabirds and warp cables. Based on an established significant relationship between contact rate and seabird mortality, when using contact rate as an index of mortality there was a clear performance hierarchy of the three measures. Tori lines and the warp scarer were significantly more effective at reducing contacts than the Brady Baffler, whilst tori lines represent a smaller, but still significant, improvement on the warp scarer. While further testing would be required under local environmental and operational conditions, our findings are likely to have application for many trawl fisheries around the world.

Item Type:	Publication - Article
Digital Object Identifier (DOI):	https://doi.org/10.1007/s00300-006-0111-z
Programmes:	BAS Programmes > Global Science in the Antarctic Context (2005-2009) > DISCOVERY 2010 - Integrating Southern Ocean Ecosystems into the Earth System
ISSN:	0722-4060
Format Availability:	Electronic, Print
Additional Information. Not used in RCUK Gateway to Research.:	Full text not available from this repository
Additional Keywords:	Seabirds ; Fisheries ; Bycatch
NORA Subject Terms:	Zoology Ecology and Environment
Date made live:	27 Jul 2007 09:39 +0 (UTC)
URI:	https://nora.nerc.ac.uk/id/eprint/135

Item Type:

Publication - Article

Digital Object Identifier (DOI):

https://doi.org/10.1007/s00300-006-0111-z

Programmes:

BAS Programmes > Global Science in the Antarctic Context (2005-2009) > DISCOVERY 2010 - Integrating Southern Ocean Ecosystems into the Earth System

ISSN:

0722-4060

Format Availability:

Electronic, Print

Additional Information. Not used in RCUK Gateway to Research.:

Full text not available from this repository