Midwater trawl nets are designed to exclude groundfish, although haddock sometimes swim higher in the water column that most other groundfish species and occasionally end up in the cod end
of a midwater net.
Meanwhile, to enhance selectivity in bottom trawls, GFCM members will use voluntarily the 40mm square mesh in the cod end
But fishing leaders argue that few cod end
up in the larger mesh nets used to catch haddock.
Scottish fishermen have embraced technical measures such as using larger mesh nets, so that younger immature fish can escape from the cod end
of the catch.
At the opposite end, a rope was sewn to the cod end
mesh to support the throat to make a more durable and accessible catch chamber and to create a closing mechanism to seal the cod end
Webbing is attached to the frame and tapers back to a cod end.
The two-seam nets are more easily built and somewhat cheaper in cost but have a tendency to "pocket" the catch and restrict its path to the cod end.
5 cm) mesh of number fifteen twine for the cod end.
An easy line, or lazy line, encircles the cod end through a series of rings sewn onto it.
Catch was culled immediately following dumping of the cod end.
The repairs have been expedited over the last three weeks to replace an expansion joint assembly near the Cape Cod end
of the bridge, and the work will be completed by October 5," said Francis X.
As the national agency responsible for fishing gear technology, bim wish to collect selectivity information for a range of gear configurations including square mesh panels and larger cod ends
in the celtic sea.