trawl net


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trawl net

n.
A large tapered fishing net that is towed along the sea bottom or at a given depth below the surface.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.trawl net - a conical fishnet dragged through the water at great depthstrawl net - a conical fishnet dragged through the water at great depths
fishing net, fishnet - a net that will enclose fish when it is pulled in
Translations
References in periodicals archive ?
The direct measurement of the trawl net performance is a complex task since it requires the use of sensors for the wing-end spread, the door spread and the height of the net's mouth, which are limited and difficult to operate.
The survey uses sophisticated echo sounders mounted on a trawl net to measure the density of orange roughy in the schools.
A General Oceanics flowmeter (General Oceanics, Miami, Florida), suspended inside the zooplankton net, was set at the start of zooplankton collection and net trawling, and then read when the zooplankton net and trawl net reached the boat to estimate water flow through the zooplankton net and trawl net.
Our goal was to land each trawl net quickly on the bottom in fishing configuration at a towing velocity of 1.
This study measured the amount of time it took bottlenose dolphins (Tursiops truncatus) to arrive near a shrimp trawl vessel whether or not a trawl net was deployed and the amount of time after a trawl net was deployed before dolphins engaged in foraging from the trawl net.
What name is given to the device which keeps the mouth of a trawl net open?
The calculation of the fictitious area of the nets (At) showed that the semi-balloon trawl net had a greater area (147.
Southern California Trawlers Association members have continuously refined the halibut trawl net to minimize by catch and any other potential effects on marine ecosystems.
1) and collected the scallops with a bottom trawl net (mouth opening width, 2.
Using a standard plankton trawl net with a sieve of 300 microns modified for the voyage, the crew regularly skimmed the surface for tiny, insidious fragments of plastic and had a 100 per cent recovery rate.
Manjubeira: trawl net used in the water column, which presents bridle lines in its arms in order to keep it open, attached to cables that serve to tow it towards the river bank.
But, as opp- ortunities steam over the horizon, I might be looking underwater for a trawl net.