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Estimates of the mortality and the duration of the trans-Atlantic migration of European eel Anguilla anguilla leptocephali using a particle tracking model.

Abstract : Using Lagrangian simulations, based on circulation models over three different hydroclimatic periods in the last 45 years in the North Atlantic Ocean, the trans-Atlantic migration of the European eel Anguilla anguilla leptocephali was simulated via the passive drift of particles released in the spawning area. Three different behaviours were modelled: drifting at fixed depth, undergoing a vertical migration or choosing the fastest currents. Simulations included mortality hypotheses to estimate a realistic mean migration duration and relative survival of A. anguilla larvae. The mean migration duration was estimated as 21 months and the mortality rate as 3·8 per year, i.e. < 0·2% of A. anguilla larvae may typically survive the trans-Atlantic migration.
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https://hal.archives-ouvertes.fr/hal-00453530
Contributor : Francoise Cudennec <>
Submitted on : Friday, February 5, 2010 - 9:00:58 AM
Last modification on : Friday, February 26, 2021 - 3:31:12 AM

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S. Bonhommeau, Olivier Le Pape, Didier Gascuel, B. Blanke, Anne-Marie Tréguier, et al.. Estimates of the mortality and the duration of the trans-Atlantic migration of European eel Anguilla anguilla leptocephali using a particle tracking model.. Journal of Fish Biology, Wiley, 2009, 74 (9), pp.1891-1914. ⟨10.1111/j.1095-8649.2009.02298.x⟩. ⟨hal-00453530⟩

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