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one-boat trawl

См. также в других словарях:

  • bottom otter trawl — an otter trawl towed on the sea floor by one boat; the net is kept open by otter boards that plane through the water and are heavy enough to maintain contact with the sea floor. The otter boards have a steel bottom to protect them against the… …   Dictionary of ichthyology

  • midwater trawl — a net towed through the water column by one boat, the net being positioned above the bottom and below the surface. It may have otter doors that function to keep the net mouth open and depressor plates that function to make it fish deeper, or two… …   Dictionary of ichthyology

  • Dogger (boat) — A dogger viewed from before the port beam. Her gaff mainsail is brailed up and her lateen mizzen is set. c. 1675 by Willem van de Velde the Younger The dogger was a form of fishing boat, developed during the seventeenth century, that commonly… …   Wikipedia

  • Nobby (boat) — The nobby is an an inshore sailing boat which was used as a traditional fishing boat around Lancashire and Manx. The Lancashire nobby originated in Morecambe Bay about 1840 and around Southport. It subsequently came into widespread use down the… …   Wikipedia

  • Pair trawling — are not required. By utilising the towing power of two boats, and as no otter boards are needed, a larger net may be worked than would otherwise be possible, or alternatively, the two boats can share increased fuel efficiencyref|sains.As doors… …   Wikipedia

  • commercial fishing — Introduction  the taking of fish and other seafood and resources from oceans, rivers, and lakes for the purpose of marketing them.       Fishing is one of the oldest employments of humankind. Ancient heaps of discarded mollusk shells (shell… …   Universalium

  • Fishing trawler — For other types of trawlers, see Trawler (disambiguation). The Irish RSW tank trawler Brendelen[1] in Skagen harbour A fishing trawler (also called a dragger) is a commercial fishing vessel designed to operate fishing trawls. Traw …   Wikipedia

  • Scottish east coast fishery — The Scottish east coast fishery has been in existence for more than a thousand years, spanning the Viking period right up to the present day. A brief historyThe fishery has always been for both whitefish and herring. The Norsemen came to Scotland …   Wikipedia

  • Fisheries glossary — This is a glossary of terms used in fisheries, fisheries management and fisheries science. A * Abundance is a measure of how many fish are in a population or a fishing ground. See relative abundance and absolute abundance.* Acoustic survey a… …   Wikipedia

  • Trawling — is a method of fishing that involves pulling a large fishing net through the water behind one or more boats. The net that is used for trawling is called a trawl.The boats that are used for trawling are called trawlers. Trawlers vary in size; from …   Wikipedia

  • Commercial trawler — A commercial trawler is a commercial fishing vessel designed to operate fishing trawls. TrawlingTrawling is a method of fishing that involves actively pulling a trawl through the water behind one or more trawlers. Trawls are fishing nets that are …   Wikipedia


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