Concept
Horizontal ichthyoplankton tow-net system - Nester (1987)
URI | http://vocab.nerc.ac.uk/collection/L22/current/NETT0069/1/ |
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Within Vocab | SeaVoX Device Catalogue |
Preferred Label | Horizontal ichthyoplankton tow-net system - Nester (1987) |
Definition | A 50 cm diameter circular net ring is mounted in a 53cm x 53 cm rectangular frame. The net is a cylinder-cone with 0.333 mm nylon mesh. The tow bridle is attached to a spreader bar to keep the net opening clear of the bridle and depressor attached to bottom of frame. It has two flowmeters: one inside the net and one outside. Usually towed at 3 knots. Mainly for catching larval fish. Similar to the Blackburn and Keith system. It has no opening/closing mechanism. |
Broader |
L05:
plankton nets L05: flow meters |
Note | accepted |
Deprecated | false |
Alternative Label | Nester ichthyoplankton system |
Version | 1 |
Authored On | 2011-10-21 14:18:49 |
Is Version Of | http://vocab.nerc.ac.uk/collection/L22/current/NETT0069/ |
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