Inferring marine distribution of Canadian and Irish Atlantic salmon (Salmo salar L.) in the North Atlantic from tissue concentrations of bio-accumulated caesium 137
<qd> Spares, A.D., Reader, J.M., Stokesbury, M.J.W., McDermott, T., Zikovsky, L., Avery, T.S., and Dadswell, M.J. 2007. Inferring marine distribution of Canadian and Irish Atlantic salmon ( Salmo salar L.) in the North Atlantic from tissue concentrations of bio-accumulated caesium 137 – ICES J...
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fthighwire:oai:open-archive.highwire.org:icesjms:fsl040v1 2023-05-15T15:30:23+02:00 Inferring marine distribution of Canadian and Irish Atlantic salmon (Salmo salar L.) in the North Atlantic from tissue concentrations of bio-accumulated caesium 137 Spares, Aaron D. Reader, Jeffery M. Stokesbury, Michael J. W. McDermott, Tom Zikovsky, Lubomir Avery, Trevor S. Dadswell, Michael J. 2007-02-01 05:55:27.0 text/html http://icesjms.oxfordjournals.org/cgi/content/short/fsl040v1 https://doi.org/10.1093/icesjms/fsl040 en eng Oxford University Press http://icesjms.oxfordjournals.org/cgi/content/short/fsl040v1 http://dx.doi.org/10.1093/icesjms/fsl040 Copyright (C) 2007, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer Article TEXT 2007 fthighwire https://doi.org/10.1093/icesjms/fsl040 2013-05-26T22:25:15Z <qd> Spares, A.D., Reader, J.M., Stokesbury, M.J.W., McDermott, T., Zikovsky, L., Avery, T.S., and Dadswell, M.J. 2007. Inferring marine distribution of Canadian and Irish Atlantic salmon ( Salmo salar L.) in the North Atlantic from tissue concentrations of bio-accumulated caesium 137 – ICES Journal of Marine Science, 64. </qd>Atlantic salmon returning from marine migrations to eastern Canada and western Ireland during 2002 and 2003 were analysed for tissue concentrations of bio-accumulated caesium 137 (137Cs). Salmon from Canadian and Irish waters demonstrated concentrations (0.20 ± 0.14 Bq kg−1 and 0.19 ± 0.09 Bq kg−1, mean ± s.d., respectively) suggesting similar oceanic feeding distributions during migration. Canadian aquaculture escapees had a similar mean tissue concentration (0.28 ± 0.22 Bq kg−1), suggesting migration with wild salmon. However, significantly higher concentrations in 1-sea-winter (1SW) escapees (0.43 ± 0.25 Bq kg−1) may alternatively suggest feeding within local estuaries. High concentrations in some Canadian 1SW salmon indicated trans-Atlantic migration. Low concentrations of Canadian multi-sea-winter (MSW) salmon suggested a feeding distribution in the Labrador and Irminger Seas before homeward migration, because those regions have the lowest surface water 137Cs levels. Estimates of wild Canadian and Irish salmon feeding east of the Faroes (∼8°W) were 14.2% and 10.0% (1SW, 24.7% and 11.5%; MSW, 2.9% and 0.0%), respectively. We propose that most anadromous North Atlantic salmon utilize the North Atlantic Gyre for marine migration and should be classified as a single trans-Atlantic straddling stock. Text Atlantic salmon Faroes North Atlantic Salmo salar HighWire Press (Stanford University) Avery ENVELOPE(-65.433,-65.433,-66.883,-66.883) Canada ICES Journal of Marine Science 64 2 394 404 |
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English |
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Article Spares, Aaron D. Reader, Jeffery M. Stokesbury, Michael J. W. McDermott, Tom Zikovsky, Lubomir Avery, Trevor S. Dadswell, Michael J. Inferring marine distribution of Canadian and Irish Atlantic salmon (Salmo salar L.) in the North Atlantic from tissue concentrations of bio-accumulated caesium 137 |
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Article |
description |
<qd> Spares, A.D., Reader, J.M., Stokesbury, M.J.W., McDermott, T., Zikovsky, L., Avery, T.S., and Dadswell, M.J. 2007. Inferring marine distribution of Canadian and Irish Atlantic salmon ( Salmo salar L.) in the North Atlantic from tissue concentrations of bio-accumulated caesium 137 – ICES Journal of Marine Science, 64. </qd>Atlantic salmon returning from marine migrations to eastern Canada and western Ireland during 2002 and 2003 were analysed for tissue concentrations of bio-accumulated caesium 137 (137Cs). Salmon from Canadian and Irish waters demonstrated concentrations (0.20 ± 0.14 Bq kg−1 and 0.19 ± 0.09 Bq kg−1, mean ± s.d., respectively) suggesting similar oceanic feeding distributions during migration. Canadian aquaculture escapees had a similar mean tissue concentration (0.28 ± 0.22 Bq kg−1), suggesting migration with wild salmon. However, significantly higher concentrations in 1-sea-winter (1SW) escapees (0.43 ± 0.25 Bq kg−1) may alternatively suggest feeding within local estuaries. High concentrations in some Canadian 1SW salmon indicated trans-Atlantic migration. Low concentrations of Canadian multi-sea-winter (MSW) salmon suggested a feeding distribution in the Labrador and Irminger Seas before homeward migration, because those regions have the lowest surface water 137Cs levels. Estimates of wild Canadian and Irish salmon feeding east of the Faroes (∼8°W) were 14.2% and 10.0% (1SW, 24.7% and 11.5%; MSW, 2.9% and 0.0%), respectively. We propose that most anadromous North Atlantic salmon utilize the North Atlantic Gyre for marine migration and should be classified as a single trans-Atlantic straddling stock. |
format |
Text |
author |
Spares, Aaron D. Reader, Jeffery M. Stokesbury, Michael J. W. McDermott, Tom Zikovsky, Lubomir Avery, Trevor S. Dadswell, Michael J. |
author_facet |
Spares, Aaron D. Reader, Jeffery M. Stokesbury, Michael J. W. McDermott, Tom Zikovsky, Lubomir Avery, Trevor S. Dadswell, Michael J. |
author_sort |
Spares, Aaron D. |
title |
Inferring marine distribution of Canadian and Irish Atlantic salmon (Salmo salar L.) in the North Atlantic from tissue concentrations of bio-accumulated caesium 137 |
title_short |
Inferring marine distribution of Canadian and Irish Atlantic salmon (Salmo salar L.) in the North Atlantic from tissue concentrations of bio-accumulated caesium 137 |
title_full |
Inferring marine distribution of Canadian and Irish Atlantic salmon (Salmo salar L.) in the North Atlantic from tissue concentrations of bio-accumulated caesium 137 |
title_fullStr |
Inferring marine distribution of Canadian and Irish Atlantic salmon (Salmo salar L.) in the North Atlantic from tissue concentrations of bio-accumulated caesium 137 |
title_full_unstemmed |
Inferring marine distribution of Canadian and Irish Atlantic salmon (Salmo salar L.) in the North Atlantic from tissue concentrations of bio-accumulated caesium 137 |
title_sort |
inferring marine distribution of canadian and irish atlantic salmon (salmo salar l.) in the north atlantic from tissue concentrations of bio-accumulated caesium 137 |
publisher |
Oxford University Press |
publishDate |
2007 |
url |
http://icesjms.oxfordjournals.org/cgi/content/short/fsl040v1 https://doi.org/10.1093/icesjms/fsl040 |
long_lat |
ENVELOPE(-65.433,-65.433,-66.883,-66.883) |
geographic |
Avery Canada |
geographic_facet |
Avery Canada |
genre |
Atlantic salmon Faroes North Atlantic Salmo salar |
genre_facet |
Atlantic salmon Faroes North Atlantic Salmo salar |
op_relation |
http://icesjms.oxfordjournals.org/cgi/content/short/fsl040v1 http://dx.doi.org/10.1093/icesjms/fsl040 |
op_rights |
Copyright (C) 2007, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer |
op_doi |
https://doi.org/10.1093/icesjms/fsl040 |
container_title |
ICES Journal of Marine Science |
container_volume |
64 |
container_issue |
2 |
container_start_page |
394 |
op_container_end_page |
404 |
_version_ |
1766360838990462976 |