TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

HORIZONTAL TOW [1 record]

Record 1 2021-05-11

English

Subject field(s)
  • Scientific Research Methods
  • Commercial Fishing
CONT

For a vertical tow, the boat must remain stationary. The net is lowered slowly to the required depth, then raised using a winch, at a speed of approximately 6 cm/s. For a horizontal tow, the net is set at the desired depth and then towed by the boat at a slow speed (2 to 4 knots) over a predetermined distance. The net is then raised.

OBS

A method for using a plankton net.

French

Domaine(s)
  • Méthodes de recherche scientifique
  • Pêche commerciale
CONT

Pour un trait vertical, le bateau doit rester stationnaire. On descend le filet lentement, jusqu'à la profondeur voulue, puis on le remonte à l'aide d'un treuil, à une vitesse de 6 cm/s environ. Pour un trait horizontal, le filet est mouillé à la profondeur désirée, puis le bateau le remorque à faible vitesse (2 à 4 nœuds) sur une distance prédéterminée. Le filet est ensuite remontée.

OBS

Méthode d'utilisation d'un filet à plancton.

Spanish

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