otter trawl

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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Modified otter trawl legs to reduce damage and mortality of benthic organisms in North East Atlantic fisheries (Bay of Biscay).
A demersal species, it has yet to be taken in either of the four completed summer regional otter trawl surveys conducted by the Southern California Coastal Water Research Project (E.
Based on several tows in this area, investigators made the following observation: "Evidently huge beds of moulting females are mating with the males at this time of the year, and they are massed together in such a manner as to make them easy prey for a type of gear like the otter trawl, which scrapes along the bottom" (FWS, 1942: p.
Comparisons of shrimp catch and bycatch between a skimmer trawl and an otter trawl in the North Carolina inshore shrimp fishery.
5 m otter trawl (10 m length with 19 mm mesh in body and 5 mm in bag end); nets were towed at a speed of approximately 1.
The saucer scallop fishery is one component of a complex multispecies trawl fishery known as the Queensland East Coast Otter Trawl Fishery.
The bottom of an otter trawl mouth is a rope that can bear heavy steel weights (bobbins) which keep the trawl on the seabed.
Specimen size ranges from microscopic plankton drawn from the ocean using a plankton net to larger fish like the horn shark, caught in the otter trawl.
Combined, the sink gillnet (SGN) and otter trawl (OT) fisheries accounted for the majority of spiny dogfish catch (autumn: 85%; spring: 92%), either retained (SGN) or discarded (OT).
In the Shark Bay region, this valuable but variable resource is captured using demersal otter trawl gear by 2 separately managed fishing fleets, the Shark Bay Scallop Managed Fishery that solely targets A.
3 mm, taken by a 25-foot otter trawl on an abyssal plain off Baja California, Mexico (31[degrees]20'N, 120[degrees]8'W), 3707-3806 m, 23 March 1970, R/V Melville, SIO sta.