Extreme spawning-site fidelity in Atlantic cod

Based on a 3-year mark-recapture study, evidence is provided of spawning-site fidelity in Atlantic cod (Gadus morhua) at a scale (<1 km) smaller than documented previously. Coastal regions where barriers to dispersal exist may allow for local population dynamics and adaptation to develop in broad...

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Bibliographic Details
Published in:ICES Journal of Marine Science
Main Authors: Skjaeraasen, J E, Meager, J J, Karlsen, Ø, Hutchings, J A, Ferno, A
Format: Article in Journal/Newspaper
Language:English
Published: Oxford University Press 2011
Subjects:
FoR multidisciplinary
broadcast spawners
farmed escapees
Gadus morhua
homing
population structure
atlantic cod
Online Access:https://doi.org/10.1093/icesjms/fsr055
Description
Summary:Based on a 3-year mark-recapture study, evidence is provided of spawning-site fidelity in Atlantic cod (Gadus morhua) at a scale (<1 km) smaller than documented previously. Coastal regions where barriers to dispersal exist may allow for local population dynamics and adaptation to develop in broadcast-spawning marine fish at extremely fine spatial scales.

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