the rope forming the front edge of a trawl or demersal seine in contact with the sea bed. Often weighted with a chain and, on rough ground, protected by iron or rubber rollers, cookies, q.v., or bobbins, q.v. See also footrope and foot line

Dictionary of ichthyology. 2009.

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Look at other dictionaries:

  • ground rope — groundrope …   Dictionary of ichthyology

  • rock-hopper trawl — a demersal otter trawl with rubber disks attached to the groundrope and to a second rope off centre. When the trawl encounters an obstruction on the sea bed, the groundrope and the second rope wind around each other and accumulate tension,… …   Dictionary of ichthyology

  • lead line — 1) the line at the bottom of a net with a series of lead weights used to keep the net low in the water or on the bottom and to maintain the net s shape 2) a weighted line used …   Dictionary of ichthyology

  • leech line — quarter rope (handling rope used in side trawling to bring the bosom section of the groundrope to the ship s side) …   Dictionary of ichthyology

  • net depth — the distance from the headline to the groundrope in a net of specific design. Usually given as the number of meshes …   Dictionary of ichthyology

  • quarter rope — handling rope used in side trawling to bring the bosom section of the groundrope to the ship s side …   Dictionary of ichthyology

  • rockhopper disc — rubber discs cut from old car tyres on the groundrope of a trawl as protection against snagging …   Dictionary of ichthyology

  • spacer — a small bobbin, q.v., inserted between the main bobbins along a groundrope …   Dictionary of ichthyology

  • tickler chain — a heavy chain across the mouth of a trawl in front of the groundrope to disturb flatfish, causing them to swim up off the sea floor and be caught in the trawl …   Dictionary of ichthyology

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