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otter trawl

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otter trawl [′äd·ər ‚trȯl]
(naval architecture)
A large commercial fishing trawl which uses kitelike wooden boards at the corners of the mouth of the net.
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For fishing gear, the data indicated that infauna recovered in sand from the impacts of otter trawls operated inside the closure but that they did not recover in mud, and that epifauna recovered on gravel bottoms from the impact of gillnets used inside the closure.
Effects of a large fishing closure on benthic communities in the ... by Grizzle, Raymond E.; Ward, Larry G.; Mayer, Larry A.; Malik, Mashkoor A.; Cooper, Andrew B.; Abeels, / Fishery Bulletin
He replaced gillnets with otter trawl technology when the government expanded licensing opportunities in this emerging gear sector.
Lessons learned from reconstructing interactions between local ... by Murray, Grant; Neis, Barbara; Johnsen, Jahn Petter / Human Ecology
The bottom of an otter trawl mouth is a rope that can bear heavy steel weights (bobbins) which keep the trawl on the seabed.
Clearcutting the ocean floor by Watling, Les; Norse, Elliott A. / Earth Island Journal
 
 
 
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