Migration route and spawning area fidelity by North Sea plaice

Hunter, Ewan, Metcalfe, Julian D. and Reynolds, John D. (2003) Migration route and spawning area fidelity by North Sea plaice. Proceedings of the Royal Society B: Biological Sciences, 270 (1529). pp. 2097-2103. ISSN 0962-8452

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Data from plaice, Pleuronectes platessa L., tagged with electronic data storage tags, were used to test whether these fishes exhibited migration route and spawning area fidelity in successive spawning seasons. Depth and temperature data were recorded for each fish over 365–512 days in the central North Sea and this information was used to reconstruct movements based on tidal locations. We discovered highly directed seasonal migrations from the winter spawning area south of a major topographical feature, Dogger Bank Tail End, to summer feeding grounds 250 km to the north in deep, cold, thermally stratified water. Our results show synchronous timing of migration, repeated pre– and post–spawning migration routes and 100% spawning area fidelity, including two individuals that returned to within 20 km of their previous season's spawning location. This is the first study to provide a complete reconstruction of annual migrations by individual fishes, showing strong homing behaviour along consistent migration routes.

Item Type: Article
Faculty \ School: Faculty of Science > School of Biological Sciences
Depositing User: LivePure Connector
Date Deposited: 18 Oct 2019 09:30
Last Modified: 25 May 2023 13:31
URI: https://ueaeprints.uea.ac.uk/id/eprint/72685
DOI: 10.1098/rspb.2003.2473

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