over-trawl

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• Trawl — Slæbenet, vod, stort fiskenet som slæbes over havbunden …   Danske encyklopædi

• beam trawl — a trawl with short wings and a head rope attached to a metal or wooden beam 4 12 m long. The beam keeps the net open horizontally while metal frames on each end of the beam keep the net open vertically. The beam has metal runners to support it… …   Dictionary of ichthyology

• balloon trawl — noun : a trawl designed to skim over rather than thoroughly drag the bottom …   Useful english dictionary

• 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

• 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

• 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

• Vessel monitoring system — Vessel monitoring systems (VMS) are used in commercial fishing to allow environmental and fisheries regulatory organizations to monitor, minimally, the position, time at a position, and course and speed of fishing vessels. They are a key part of… …   Wikipedia

• Bottom trawling — The Celtic Explorer, a research vessel engaged in bottom trawling …   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