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Effect of sediment, salinity, and velocity on the behavior of juvenile winter flounder (Pseudopleuronectes americanus)

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Provencher, Tamara et Olivier, Frédéric et Tremblay, Réjean et Audet, Céline (2018). Effect of sediment, salinity, and velocity on the behavior of juvenile winter flounder (Pseudopleuronectes americanus). Environmental Biology of Fishes, 101 . p. 1483-1492.

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Résumé

Winter flounder (Pseudopleuronectes americanus) is a benthic flatfish that is economically important for recreational and commercial fishing in North America. In the last twenty years, the species has undergone a drastic decline, mainly due to anthropic influence. The goal of this study was to gain knowledge on habitat preferences and behavior of juvenile winter flounder to improve the management of natural stocks and optimize release sites of juveniles produced for stock enhancement. Three abiotic factors (sediment, current, and salinity) potentially influencing the distribution of flatfish species were tested in a recircurlating flume with juvenile winter flounder. Time budgets of observed behaviors including swimming, orientation, and burying capacity were analyzed. Sediment texture was the only factor that significantly influenced the burying behavior of winter flounder juveniles; shear velocity, salinity, and sediment had no effect on the orientation of juveniles. -- Keywords : Winter flounder ; Sediment ; Salinity ; Current ; Swimming behavior.

Type de document : Article
Validation par les pairs : Oui
Version du document déposé : Post-print (version corrigée et acceptée)
Départements et unités départementales : Institut des sciences de la mer de Rimouski (ISMER)
Déposé par : DIUQAR UQAR
Date de dépôt : 08 janv. 2021 15:45
Dernière modification : 03 févr. 2021 20:27
URI : http://semaphore.uqar.ca/id/eprint/1738

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