trawling depth

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• Midwater trawling — is trawling, or net fishing, at a depth that is higher in the water column than the bottom of the ocean. It is contrasted with bottom trawling. Midwater trawling is also known as pelagic trawling and bottom trawling as benthic trawling. External… …   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

• 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

• 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

• Deep water coral — Table coral, which can live in deep water (in this picture, it is in shallow, warm water) The habitat of deep water corals, also known as cold water corals, extends to deeper, darker parts of the oceans than tropical corals, ranging from near the …   Wikipedia

• Maritime history of California — History of California This article is part of a series Timeline …   Wikipedia

• North Sea — For other uses, see North Sea (disambiguation). North Sea Location Atlantic Ocean Coordinates …   Wikipedia

• NZ Trawler Muriel — Muriel was a New Zealand trawler that was built in 1907 by Messrs Lane Sons of Totara North. Newspaper article, Christchurch 1937 The Muriel, No.121,590, was a wooden, screw steamer of 59 tons gross and 22 tons net register. Her dimensions were:… …   Wikipedia

• Copper alloys in aquaculture — A copper alloy pen that has been deployed on a fish farm at depth of 14 feet for one year shows no signs of biofouling. Recently, copper alloys have become important netting materials in aquaculture (the farming of aquatic organisms including… …   Wikipedia

• Scottish National Antarctic Expedition — The Scottish National Antarctic Expedition (SNAE), 1902–04, was organised and led by William Speirs Bruce, a natural scientist and former medical student from the University of Edinburgh. Bruce had spent most of the 1890s engaged on expeditions… …   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