Fishing dredge

A dredge, dredge also is a attached to a heavy frame trawl is towed by a ship across the ocean floor to collect samples or creatures from the ground, scrape or dig. Then, the network or the sample bag is pulled to the deck and evaluated the content.

The word comes from the English word dredge ( drɛdʒ; waters a dredge ). Heavy dredges as the chain bag dredge be stored hanging on a rope from the stern of the ship on the sea floor. The ship then pulls the dredge behind him. The frame or carriage on which depends the sample bag can be fitted with steel teeth, so as to remove the seabed up to the bedrock.

Target types of dredges are mostly shells, as oysters, mussels or scallops. Dredges can also be found in mussel farms use. Possible other target species are buried in the seabed living clams and cockles and sea cucumbers and crustaceans.

Documents

• Bootsdredgen. In: Fish stocks online. K. Barz, C. Zimmermann, Thünen- Institute for Baltic Sea Fisheries, accessed on 14 May 2013.

• Fishing gear (fishing )