Vertical movements of Atlantic salmon post‐smolts relative to measures of salinity and water temperature during the first phase of the marine migration
Abstract The migratory behaviour of hatchery‐reared Atlantic salmon, Salmo salar L., post‐smolts during the first phase of the marine migration was examined to assess their susceptibility to salmon lice, Lepeophtheirus salmonis (Krøyer), infestations. Swimming depths of eight post‐smolts relative to...
Published in: | Fisheries Management and Ecology |
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crwiley:10.1111/j.1365-2400.2009.00658.x 2024-06-02T08:03:30+00:00 Vertical movements of Atlantic salmon post‐smolts relative to measures of salinity and water temperature during the first phase of the marine migration PLANTALECH MANEL‐LA, N. THORSTAD, E. B. DAVIDSEN, J. G. ØKLAND, F. SIVERTSGÅRD, R. MCKINLEY, R. S. FINSTAD, B. 2009 http://dx.doi.org/10.1111/j.1365-2400.2009.00658.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1365-2400.2009.00658.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1365-2400.2009.00658.x en eng Wiley http://onlinelibrary.wiley.com/termsAndConditions#vor Fisheries Management and Ecology volume 16, issue 2, page 147-154 ISSN 0969-997X 1365-2400 journal-article 2009 crwiley https://doi.org/10.1111/j.1365-2400.2009.00658.x 2024-05-03T11:41:32Z Abstract The migratory behaviour of hatchery‐reared Atlantic salmon, Salmo salar L., post‐smolts during the first phase of the marine migration was examined to assess their susceptibility to salmon lice, Lepeophtheirus salmonis (Krøyer), infestations. Swimming depths of eight post‐smolts relative to the measured salinity and temperature were monitored for an average of 11.4 h following release outside the mouth of the River Eio using depth sensitive acoustic transmitters. Vertical salinity and temperature distributions were simultaneously recorded along the migratory route. Mean swimming depth was 1.7 m (individual mean 0.5–2.1 m). There was no overall preference among all the post‐smolts for specific salinity concentrations. Typically post‐smolts migrated the majority (68%) of their time at salinities <20 psu (brackish water), and as a result outside the reported salinity tolerances of sea lice. Furthermore, post‐smolts chose the warmest water layer during their coastal migration. Article in Journal/Newspaper Atlantic salmon Salmo salar Wiley Online Library Fisheries Management and Ecology 16 2 147 154 |
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Open Polar |
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Wiley Online Library |
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crwiley |
language |
English |
description |
Abstract The migratory behaviour of hatchery‐reared Atlantic salmon, Salmo salar L., post‐smolts during the first phase of the marine migration was examined to assess their susceptibility to salmon lice, Lepeophtheirus salmonis (Krøyer), infestations. Swimming depths of eight post‐smolts relative to the measured salinity and temperature were monitored for an average of 11.4 h following release outside the mouth of the River Eio using depth sensitive acoustic transmitters. Vertical salinity and temperature distributions were simultaneously recorded along the migratory route. Mean swimming depth was 1.7 m (individual mean 0.5–2.1 m). There was no overall preference among all the post‐smolts for specific salinity concentrations. Typically post‐smolts migrated the majority (68%) of their time at salinities <20 psu (brackish water), and as a result outside the reported salinity tolerances of sea lice. Furthermore, post‐smolts chose the warmest water layer during their coastal migration. |
format |
Article in Journal/Newspaper |
author |
PLANTALECH MANEL‐LA, N. THORSTAD, E. B. DAVIDSEN, J. G. ØKLAND, F. SIVERTSGÅRD, R. MCKINLEY, R. S. FINSTAD, B. |
spellingShingle |
PLANTALECH MANEL‐LA, N. THORSTAD, E. B. DAVIDSEN, J. G. ØKLAND, F. SIVERTSGÅRD, R. MCKINLEY, R. S. FINSTAD, B. Vertical movements of Atlantic salmon post‐smolts relative to measures of salinity and water temperature during the first phase of the marine migration |
author_facet |
PLANTALECH MANEL‐LA, N. THORSTAD, E. B. DAVIDSEN, J. G. ØKLAND, F. SIVERTSGÅRD, R. MCKINLEY, R. S. FINSTAD, B. |
author_sort |
PLANTALECH MANEL‐LA, N. |
title |
Vertical movements of Atlantic salmon post‐smolts relative to measures of salinity and water temperature during the first phase of the marine migration |
title_short |
Vertical movements of Atlantic salmon post‐smolts relative to measures of salinity and water temperature during the first phase of the marine migration |
title_full |
Vertical movements of Atlantic salmon post‐smolts relative to measures of salinity and water temperature during the first phase of the marine migration |
title_fullStr |
Vertical movements of Atlantic salmon post‐smolts relative to measures of salinity and water temperature during the first phase of the marine migration |
title_full_unstemmed |
Vertical movements of Atlantic salmon post‐smolts relative to measures of salinity and water temperature during the first phase of the marine migration |
title_sort |
vertical movements of atlantic salmon post‐smolts relative to measures of salinity and water temperature during the first phase of the marine migration |
publisher |
Wiley |
publishDate |
2009 |
url |
http://dx.doi.org/10.1111/j.1365-2400.2009.00658.x https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1365-2400.2009.00658.x https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1365-2400.2009.00658.x |
genre |
Atlantic salmon Salmo salar |
genre_facet |
Atlantic salmon Salmo salar |
op_source |
Fisheries Management and Ecology volume 16, issue 2, page 147-154 ISSN 0969-997X 1365-2400 |
op_rights |
http://onlinelibrary.wiley.com/termsAndConditions#vor |
op_doi |
https://doi.org/10.1111/j.1365-2400.2009.00658.x |
container_title |
Fisheries Management and Ecology |
container_volume |
16 |
container_issue |
2 |
container_start_page |
147 |
op_container_end_page |
154 |
_version_ |
1800748049160470528 |