Bottom trawling is trawling along the sea floor. It is also referred to as "dragging".
The scientific .... Otter trawling derives its name from the large rectangular otter
boards which are...
Trawl Boards. $138.70. Stock Number: BD1A. This pair of trawl boards each
measuring 16 in. by 9 in. with 3/8 in by 2 in. steel runners. Made of 1/2 in.
$600.00. New 16 ft trawl with boards. Baton Rouge ... $400.00. New Bait / test
trawl 10 foot. Baton Rouge ... Aluminum Trawl Doors and 45' Bib Trawl. Louisiana
Apr 4, 2012 ... Bison Trawl Doors. ... Turtle Excluder Device (TED) fitted to a trawl net to stop
turtles drowning - Duration: 6:59. SZtv 33,510 views. 6:59.
Left: A trawl held open by otter boards. The force of water pressure against the
boards as it is towed keeps the net open. The bottom of the net, 'the footrope' has
from his gear. Otter doors or boards of the trawl regulate the horizontal spread
ofthe net mouth. Doors also keep the trawl on the bottom. Water pressure and.
Design and Performance," contains much information on shrimp trawl .... the trawl
boards results in the tickler chain fishing very close to the footrope in the wings ...
Description and Assembly of Standard Trawl Nets ••. .........••. 8. ::-EthoQS ...... tr &.
ilin ~ edge of the trawl door instead of the present method ,.,rhich employs long ...
Table I.-Materials required for construction of a 16-foot shrimp trawl and doors.
Floats. Footrope. Headrope. Webbing. Materials. Footrope chain. Door bridle ...
trawls using a single pall' of otter boards or doors. The two trawls are joined at the
head rope and foot rope to a "neutral door," whlch is connected to a third ...