Revealing the full ocean migration of individual Atlantic salmon
Source at https://doi.org/10.1186/s40317-018-0146-2 Knowledge of the complete horizontal migration and vertical movements of Atlantic salmon (Salmo salar L.) during the marine phase is important for understanding the link between individual processes and population recruitment. We studied the detail...
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Format: | Article in Journal/Newspaper |
Language: | English |
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BioMed Central
2018
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Online Access: | https://hdl.handle.net/10037/12592 https://doi.org/10.1186/s40317-018-0146-2 |
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ftunivtroemsoe:oai:munin.uit.no:10037/12592 2023-05-15T14:59:07+02:00 Revealing the full ocean migration of individual Atlantic salmon Strøm, John Fredrik Thorstad, Eva Bonsak Hedger, Richard David Rikardsen, Audun H. 2018-02-14 https://hdl.handle.net/10037/12592 https://doi.org/10.1186/s40317-018-0146-2 eng eng BioMed Central Animal Biotelemetry info:eu-repo/grantAgreement/RCN/MILJØ2015/221400/Norway/Vann: Modeling ocean migration of Atlantic salmon (Salmotrack 2013-2016)// info:eu-repo/grantAgreement/RCN/MILJØFORSK/221400/Norway/Vann: Modeling ocean migration of Atlantic salmon (Salmotrack 2013-2016)// Strøm, J. F., Thorstad. E. B., Hedger, R. & Rikardsen, A. H. (2018). Revealing the full ocean migration of individual Atlantic salmon. Animal Biotelemetry, 6(2). https://doi.org/10.1186/s40317-018-0146-2 FRIDAID 1565788 doi:10.1186/s40317-018-0146-2 2050-3385 https://hdl.handle.net/10037/12592 openAccess VDP::Matematikk og naturvitenskap: 400::Zoologiske og botaniske fag: 480 VDP::Mathematics and natural scienses: 400::Zoology and botany: 480 Atlantic salmon Archival tags Arctic Data storage tags Diving behaviour Habitat use Hidden Markov model Marine distribution Journal article Tidsskriftartikkel Peer reviewed 2018 ftunivtroemsoe https://doi.org/10.1186/s40317-018-0146-2 2021-06-25T17:55:48Z Source at https://doi.org/10.1186/s40317-018-0146-2 Knowledge of the complete horizontal migration and vertical movements of Atlantic salmon (Salmo salar L.) during the marine phase is important for understanding the link between individual processes and population recruitment. We studied the detailed migration behaviour of six post-spawned adult Atlantic salmon from a North Norwegian river, during the entire ocean migration, by using high-resolution light-based geolocation archival tags. The fish performed long-distance migrations and utilized Arctic areas from the eastern Barents Sea, to areas of Jan Mayen Island, and north to Svalbard. Four of six individuals exhibited a strong fidelity towards Jan Mayen Island, particularly during winter, which may suggest that the ecological conditions in these waters may be important for overwintering. One fish displayed exclusive utilization of the Barents Sea, indicating that growth and survival of some individuals are entirely dependent on these waters. The fish displayed a pelagic behaviour and all individuals spent more than 83% of the time in the uppermost 10 m of the water column. There was a strong seasonal trend in diving intensity, with the number of dives increasing with day length, independent of individuals’ spatial distribution. Diving depth was positively correlated with the depth of the mixed layer. The Atlantic salmon displayed large individual variation in horizontal migrations, utilizing different ocean areas north of the Arctic Circle. This means that, despite the overall fidelity towards northern latitudes, individuals from the same population may experience highly different ecological conditions, potentially contributing to within-population variation in growth and survival. The seasonal correlation between diving intensity and day length, and spatial correlation between diving depth and depth of the mixed layer, indicate that the overall depth use of the Atlantic salmon depends on both spatially independent seasonal factors, and dynamic oceanographic conditions that facilitate food aggregations. This is the first study of Atlantic salmon to present detailed information about individuals’ continuous horizontal migration and simultaneous vertical movements during the entire ocean migration, thus providing novel information on how habitat use change throughout the ocean residency. Article in Journal/Newspaper Arctic Atlantic salmon Barents Sea Jan Mayen Jan Mayen Island Salmo salar Svalbard University of Tromsø: Munin Open Research Archive Arctic Barents Sea Jan Mayen Svalbard Svalbard ENVELOPE(20.000,20.000,78.000,78.000) Animal Biotelemetry 6 1 |
institution |
Open Polar |
collection |
University of Tromsø: Munin Open Research Archive |
op_collection_id |
ftunivtroemsoe |
language |
English |
topic |
VDP::Matematikk og naturvitenskap: 400::Zoologiske og botaniske fag: 480 VDP::Mathematics and natural scienses: 400::Zoology and botany: 480 Atlantic salmon Archival tags Arctic Data storage tags Diving behaviour Habitat use Hidden Markov model Marine distribution |
spellingShingle |
VDP::Matematikk og naturvitenskap: 400::Zoologiske og botaniske fag: 480 VDP::Mathematics and natural scienses: 400::Zoology and botany: 480 Atlantic salmon Archival tags Arctic Data storage tags Diving behaviour Habitat use Hidden Markov model Marine distribution Strøm, John Fredrik Thorstad, Eva Bonsak Hedger, Richard David Rikardsen, Audun H. Revealing the full ocean migration of individual Atlantic salmon |
topic_facet |
VDP::Matematikk og naturvitenskap: 400::Zoologiske og botaniske fag: 480 VDP::Mathematics and natural scienses: 400::Zoology and botany: 480 Atlantic salmon Archival tags Arctic Data storage tags Diving behaviour Habitat use Hidden Markov model Marine distribution |
description |
Source at https://doi.org/10.1186/s40317-018-0146-2 Knowledge of the complete horizontal migration and vertical movements of Atlantic salmon (Salmo salar L.) during the marine phase is important for understanding the link between individual processes and population recruitment. We studied the detailed migration behaviour of six post-spawned adult Atlantic salmon from a North Norwegian river, during the entire ocean migration, by using high-resolution light-based geolocation archival tags. The fish performed long-distance migrations and utilized Arctic areas from the eastern Barents Sea, to areas of Jan Mayen Island, and north to Svalbard. Four of six individuals exhibited a strong fidelity towards Jan Mayen Island, particularly during winter, which may suggest that the ecological conditions in these waters may be important for overwintering. One fish displayed exclusive utilization of the Barents Sea, indicating that growth and survival of some individuals are entirely dependent on these waters. The fish displayed a pelagic behaviour and all individuals spent more than 83% of the time in the uppermost 10 m of the water column. There was a strong seasonal trend in diving intensity, with the number of dives increasing with day length, independent of individuals’ spatial distribution. Diving depth was positively correlated with the depth of the mixed layer. The Atlantic salmon displayed large individual variation in horizontal migrations, utilizing different ocean areas north of the Arctic Circle. This means that, despite the overall fidelity towards northern latitudes, individuals from the same population may experience highly different ecological conditions, potentially contributing to within-population variation in growth and survival. The seasonal correlation between diving intensity and day length, and spatial correlation between diving depth and depth of the mixed layer, indicate that the overall depth use of the Atlantic salmon depends on both spatially independent seasonal factors, and dynamic oceanographic conditions that facilitate food aggregations. This is the first study of Atlantic salmon to present detailed information about individuals’ continuous horizontal migration and simultaneous vertical movements during the entire ocean migration, thus providing novel information on how habitat use change throughout the ocean residency. |
format |
Article in Journal/Newspaper |
author |
Strøm, John Fredrik Thorstad, Eva Bonsak Hedger, Richard David Rikardsen, Audun H. |
author_facet |
Strøm, John Fredrik Thorstad, Eva Bonsak Hedger, Richard David Rikardsen, Audun H. |
author_sort |
Strøm, John Fredrik |
title |
Revealing the full ocean migration of individual Atlantic salmon |
title_short |
Revealing the full ocean migration of individual Atlantic salmon |
title_full |
Revealing the full ocean migration of individual Atlantic salmon |
title_fullStr |
Revealing the full ocean migration of individual Atlantic salmon |
title_full_unstemmed |
Revealing the full ocean migration of individual Atlantic salmon |
title_sort |
revealing the full ocean migration of individual atlantic salmon |
publisher |
BioMed Central |
publishDate |
2018 |
url |
https://hdl.handle.net/10037/12592 https://doi.org/10.1186/s40317-018-0146-2 |
long_lat |
ENVELOPE(20.000,20.000,78.000,78.000) |
geographic |
Arctic Barents Sea Jan Mayen Svalbard Svalbard |
geographic_facet |
Arctic Barents Sea Jan Mayen Svalbard Svalbard |
genre |
Arctic Atlantic salmon Barents Sea Jan Mayen Jan Mayen Island Salmo salar Svalbard |
genre_facet |
Arctic Atlantic salmon Barents Sea Jan Mayen Jan Mayen Island Salmo salar Svalbard |
op_relation |
Animal Biotelemetry info:eu-repo/grantAgreement/RCN/MILJØ2015/221400/Norway/Vann: Modeling ocean migration of Atlantic salmon (Salmotrack 2013-2016)// info:eu-repo/grantAgreement/RCN/MILJØFORSK/221400/Norway/Vann: Modeling ocean migration of Atlantic salmon (Salmotrack 2013-2016)// Strøm, J. F., Thorstad. E. B., Hedger, R. & Rikardsen, A. H. (2018). Revealing the full ocean migration of individual Atlantic salmon. Animal Biotelemetry, 6(2). https://doi.org/10.1186/s40317-018-0146-2 FRIDAID 1565788 doi:10.1186/s40317-018-0146-2 2050-3385 https://hdl.handle.net/10037/12592 |
op_rights |
openAccess |
op_doi |
https://doi.org/10.1186/s40317-018-0146-2 |
container_title |
Animal Biotelemetry |
container_volume |
6 |
container_issue |
1 |
_version_ |
1766331259548598272 |