Size selectivity for four fish species of the deep groundfish assemblage off the Portuguese southwest coast: evidence of mesh size, mesh configuration and cod end catch effects.
Size selectivity of diamond and square mesh cod ends for four by-catch species in the crustacean fishery off the Portuguese south coast.
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
Trawl and Danish seines made of polyamide, with an increased mesh size in the extension piece and the cod end
up to a minimum of 125 mm, may be used within the Exclusive Economic Zone of BSFC contracting parties and provided that some other technical specifications (netting thickness and twine) are applied.
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.
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.