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Diel vertical migration of European hake Merluccius merluccius and associated temperature histories: insights from a pilot data-storage tagging (DST) experiment

Hélène de Pontual 1, * A. Jolivet 2 M. Bertignac 1 Ronan Fablet 3, 4
* Corresponding author
1 IFREMER - Institut Français de Recherche pour l'Exploitation de la Mer - Brest
2 LEMAR - Laboratoire des Sciences de l'Environnement Marin (LEMAR)
3 SC - Département Signal et Communications
4 Lab-STICC_TB_CID_TOMS
Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance
Abstract : A pioneering experiment of archival tagging of European hake Merluccius merluccius provided evidence of a diel vertical migration pattern which was analysed using an automatic method, developed and validated through time-frequency analyses. Frequent vertical movements across the thermocline were observed and fish experienced rapid temperature changes >7° C. These tagging-recapture data also suggested a homing behaviour to feeding grounds.
Keywords : electronic tagging cod behaviour tide time-frequency analysis
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Journal articles
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https://hal.univ-brest.fr/hal-00732996
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Submitted on : Monday, September 17, 2012 - 3:42:19 PM
Last modification on : Wednesday, June 24, 2020 - 4:19:23 PM

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Hélène de Pontual, A. Jolivet, M. Bertignac, Ronan Fablet. Diel vertical migration of European hake Merluccius merluccius and associated temperature histories: insights from a pilot data-storage tagging (DST) experiment. Journal of Fish Biology, Wiley, 2012, 81, pp.728-734. ⟨10.1111/j.1095-8649.2012.03345.x⟩. ⟨hal-00732996⟩

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