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Cefas Net Grid
The Cefas Net Grid is a selective device designed to separate nephrops from fish. -
Gear Operation
This is where there is a complete change of fishing gear or the way the fishing gear is operated to change the catch composition. -
Gear Size
Reducing the physical size of the whole gear or just part of the gear to reduce unwanted by-catch and be able to handle the gear more efficiently. -
Headline Height
A trawl or static net where the gear has been redesigned to keep the headline (top of the net) low to prevent the capture of high swimming species. -
Inclined Netting Grids
An inclined netting grid is a panel of netting fitted inside a trawl and set at an angle. -
Inclined Separator Panels
An inclined separator panel separates the catch into the bottom living and the higher swimming species and directs them into two separate cod-ends. -
Number of Dredges
In some scallop dredge fisheries the number of dredges used is regulated to ensure fishing effort remains within manageable limits. -
Off Bottom Trawl
This is a trawl that, by the way it is rigged and towed, swims clear of the seabed but close enough to target some of the demersal species. -
SELTRA Box - Diamond mesh
The SELTRA box is a four panel extension section with a top panel of either large diamond mesh or large square mesh to encourage small fish to escape. -
SELTRA Box - Square mesh panel
The SELTRA box is a four panel extension section with a top panel of either large diamond mesh or large square mesh to encourage small fish to escape. -
Technical information
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Trawl Door Spread
The distance between the trawl doors is an important piece of information for any trawler skipper to know at all times.