Concept
Rough Bottom Otter Trawl
| URI | http://vocab.nerc.ac.uk/collection/L22/current/NETT0183/ |
|---|---|
| Within Vocab | SeaVoX Device Catalogue |
| Preferred Label | Rough Bottom Otter Trawl |
| Definition | A cone-shaped net kept opened horizontally by two otter boards, and vertically by floats on the upper edge (floatline) and weights on the groundrope. The groundrope is also equipped with bobbins to prevent the leading margin of the trawl from being damaged; on particularly rough grounds, special rock hopper gears are used. Codend mesh size varies depending on species of fish sampled. The net is connected to the ship by a steel cable. |
| Broader |
L05:
demersal trawl nets |
| Note | accepted |
| Deprecated | false |
| Alternative Label | RBOT |
| Version | 1 |
| Has Current Version | http://vocab.nerc.ac.uk/collection/L22/current/NETT0183/1/ |
| Authored On | 2018-01-30 16:59:47 |
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