Redefining the oceanic distribution of Atlantic salmon

Abstract Determining the mechanisms driving range-wide reductions in Atlantic salmon marine survival is hindered by an insufficient understanding of their oceanic ecology and distribution. We attached 204 pop-up satellite archival tags to post-spawned salmon when they migrated to the ocean from seve...

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Autores principales:	Audun H. Rikardsen, David Righton, John Fredrik Strøm, Eva B. Thorstad, Patrick Gargan, Timothy Sheehan, Finn Økland, Cedar M. Chittenden, Richard D. Hedger, Tor F. Næsje, Mark Renkawitz, Johannes Sturlaugsson, Pablo Caballero, Henrik Baktoft, Jan G. Davidsen, Elina Halttunen, Serena Wright, Bengt Finstad, Kim Aarestrup
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/edb32fb4e745485d97b59679c223e4e6
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spelling	oai:doaj.org-article:edb32fb4e745485d97b59679c223e4e62021-12-02T14:59:36ZRedefining the oceanic distribution of Atlantic salmon10.1038/s41598-021-91137-y2045-2322https://doaj.org/article/edb32fb4e745485d97b59679c223e4e62021-06-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-91137-yhttps://doaj.org/toc/2045-2322Abstract Determining the mechanisms driving range-wide reductions in Atlantic salmon marine survival is hindered by an insufficient understanding of their oceanic ecology and distribution. We attached 204 pop-up satellite archival tags to post-spawned salmon when they migrated to the ocean from seven European areas and maiden North American salmon captured at sea at West Greenland. Individuals migrated further north and east than previously reported and displayed increased diving activity near oceanographic fronts, emphasizing the importance of these regions as feeding areas. The oceanic distribution differed among individuals and populations, but overlapped more between geographically proximate than distant populations. Dissimilarities in distribution likely contribute to variation in growth and survival within and among populations due to spatio-temporal differences in environmental conditions. Climate-induced changes in oceanographic conditions will alter the location of frontal areas and may have stock-specific effects on Atlantic salmon population dynamics, likely having the largest impacts on southern populations.Audun H. RikardsenDavid RightonJohn Fredrik StrømEva B. ThorstadPatrick GarganTimothy SheehanFinn ØklandCedar M. ChittendenRichard D. HedgerTor F. NæsjeMark RenkawitzJohannes SturlaugssonPablo CaballeroHenrik BaktoftJan G. DavidsenElina HalttunenSerena WrightBengt FinstadKim AarestrupNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Audun H. Rikardsen David Righton John Fredrik Strøm Eva B. Thorstad Patrick Gargan Timothy Sheehan Finn Økland Cedar M. Chittenden Richard D. Hedger Tor F. Næsje Mark Renkawitz Johannes Sturlaugsson Pablo Caballero Henrik Baktoft Jan G. Davidsen Elina Halttunen Serena Wright Bengt Finstad Kim Aarestrup Redefining the oceanic distribution of Atlantic salmon
description	Abstract Determining the mechanisms driving range-wide reductions in Atlantic salmon marine survival is hindered by an insufficient understanding of their oceanic ecology and distribution. We attached 204 pop-up satellite archival tags to post-spawned salmon when they migrated to the ocean from seven European areas and maiden North American salmon captured at sea at West Greenland. Individuals migrated further north and east than previously reported and displayed increased diving activity near oceanographic fronts, emphasizing the importance of these regions as feeding areas. The oceanic distribution differed among individuals and populations, but overlapped more between geographically proximate than distant populations. Dissimilarities in distribution likely contribute to variation in growth and survival within and among populations due to spatio-temporal differences in environmental conditions. Climate-induced changes in oceanographic conditions will alter the location of frontal areas and may have stock-specific effects on Atlantic salmon population dynamics, likely having the largest impacts on southern populations.
format	article
author	Audun H. Rikardsen David Righton John Fredrik Strøm Eva B. Thorstad Patrick Gargan Timothy Sheehan Finn Økland Cedar M. Chittenden Richard D. Hedger Tor F. Næsje Mark Renkawitz Johannes Sturlaugsson Pablo Caballero Henrik Baktoft Jan G. Davidsen Elina Halttunen Serena Wright Bengt Finstad Kim Aarestrup
author_facet	Audun H. Rikardsen David Righton John Fredrik Strøm Eva B. Thorstad Patrick Gargan Timothy Sheehan Finn Økland Cedar M. Chittenden Richard D. Hedger Tor F. Næsje Mark Renkawitz Johannes Sturlaugsson Pablo Caballero Henrik Baktoft Jan G. Davidsen Elina Halttunen Serena Wright Bengt Finstad Kim Aarestrup
author_sort	Audun H. Rikardsen
title	Redefining the oceanic distribution of Atlantic salmon
title_short	Redefining the oceanic distribution of Atlantic salmon
title_full	Redefining the oceanic distribution of Atlantic salmon
title_fullStr	Redefining the oceanic distribution of Atlantic salmon
title_full_unstemmed	Redefining the oceanic distribution of Atlantic salmon
title_sort	redefining the oceanic distribution of atlantic salmon
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/edb32fb4e745485d97b59679c223e4e6
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Redefining the oceanic distribution of Atlantic salmon

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