4.6 Article

Extreme spawning-site fidelity in Atlantic cod

Journal

ICES JOURNAL OF MARINE SCIENCE
Volume 68, Issue 7, Pages 1472-1477

Publisher

OXFORD UNIV PRESS
DOI: 10.1093/icesjms/fsr055

Keywords

broadcast spawners; farmed escapees; Gadus morhua; homing; population structure

Funding

  1. Norwegian Research Council [172649/S40, 177744/V40, 190228]

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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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