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Otter trawling derives its name from the large rectangular otter boards which are used to keep the mouth of the trawl net open. Otter boards are made of timber or steel and are positioned in such a way that the hydrodynamic forces, acting on them when the net is towed along the seabed, push them outwards and prevent the mouth of the net from ...
An otter board Front of the otter board Folded otter board. The otter is a fishing device constructed with two parts, an otter board and a fishing line. It is steered by pulling on the line then letting stack so the slide mechanism on the board operates to switch direction.
However, single-boat trawling is more common. Here, the horizontal spread of the net is provided by trawl doors (also known as "otter boards"). Trawl doors are available in various sizes and shapes and may be specialized to keep in contact with the sea bottom (bottom trawling) or to remain elevated in the water. In all cases, doors essentially ...
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A little silver fish — the Atlantic sea herring — is causing a ruckus in New England fishery management circles. That's because the population has shrunk dramatically. A number of the Cape's ...
Otter trawl – An otter trawl is a demersal trawl which uses large rectangular otter boards to keep the opening of the trawl net from closing. Otter trawls are towed by a single trawler. Overfishing – occurs when fishing activities reduce fish stocks below an acceptable level. This can occur in any body of water from a pond to the oceans.
Otter fishing is a fishing technique which uses trained otters to fish in rivers. This method has been practised since the 6th century in various parts of the world, and is still practiced in southern Bangladesh .
Otter Tail (NAS: OTTR) carries $85.6 million of goodwill and other intangibles on its balance sheet. Sometimes goodwill, especially when it's excessive, can foreshadow problems down the road.