Migratory connectivity of two Baltic Sea salmon populations: retrospective analysis using stable isotopes of scales
<qd> Torniainen, J., Vuorinen, P. J., Jones, R. I., Keinänen, M., Palm, S., Vuori, K. A. M., and Kiljunen, M. 2014. Migratory connectivity of two Baltic Sea salmon populations: retrospective analysis using stable isotopes of scales. – ICES Journal of Marine Science, 71: 336–344. </qd> Mi...
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fthighwire:oai:open-archive.highwire.org:icesjms:71/2/336 2023-05-15T15:32:56+02:00 Migratory connectivity of two Baltic Sea salmon populations: retrospective analysis using stable isotopes of scales Torniainen, Jyrki Vuorinen, Pekka J. Jones, Roger I. Keinänen, Marja Palm, Stefan Vuori, Kristiina A. M. Kiljunen, Mikko 2014-01-01 00:00:00.0 text/html http://icesjms.oxfordjournals.org/cgi/content/short/71/2/336 https://doi.org/10.1093/icesjms/fst153 en eng Oxford University Press http://icesjms.oxfordjournals.org/cgi/content/short/71/2/336 http://dx.doi.org/10.1093/icesjms/fst153 Copyright (C) 2014, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer Original Articles TEXT 2014 fthighwire https://doi.org/10.1093/icesjms/fst153 2015-02-28T22:23:13Z <qd> Torniainen, J., Vuorinen, P. J., Jones, R. I., Keinänen, M., Palm, S., Vuori, K. A. M., and Kiljunen, M. 2014. Migratory connectivity of two Baltic Sea salmon populations: retrospective analysis using stable isotopes of scales. – ICES Journal of Marine Science, 71: 336–344. </qd> Migratory connectivity refers to the extent to which individuals of a migratory population behave in unison, and has significant consequences for the ecology, evolution and conservation of migratory animals. We made a retrospective assessment of the migratory connectivity of River Simojoki and River Kymijoki populations of Atlantic salmon Salmo salar L. by using stable isotope analysis of archived scales to identify the final feeding areas used before ascending rivers for spawning. We also tested differences in migratory connectivity between wild and hatchery-reared salmon and compared Carlin-tag recoveries with salmon scale stable isotope analysis as methods for studying salmon migrations. Stable isotope (δ13C, δ15N) values from the last growth region of scales from salmon caught ascending their natal rivers were compared via discriminant analysis with those from scales of salmon caught in different Baltic Sea areas during 1989–2011. Most River Simojoki salmon had likely fed in the Baltic Proper (mean ± SD for ascending fish probability 0.59 ± 0.32) with secondary likely feeding areas in the Bothnian Sea (0.21 ± 0.26) and the Gulf of Finland (0.20 ± 0.27). Most River Kymijoki salmon had likely fed in the Gulf of Finland (0.71 ± 0.42) with the Baltic Proper (0.29 ± 0.41) a secondary feeding area. The results did not indicate the Bothnian Sea to be an important feeding area. The two salmon populations showed weak migratory connectivity and rather fixed areal preference throughout the record irrespective of wild or stocked origin. Although the results from the scale stable isotope analyses were broadly consistent with previously reported Carlin-tag recoveries, we argue that the stable isotope approach offers several ... Text Atlantic salmon Salmo salar HighWire Press (Stanford University) Simojoki ENVELOPE(25.050,25.050,65.617,65.617) ICES Journal of Marine Science 71 2 336 344 |
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HighWire Press (Stanford University) |
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fthighwire |
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English |
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Original Articles |
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Original Articles Torniainen, Jyrki Vuorinen, Pekka J. Jones, Roger I. Keinänen, Marja Palm, Stefan Vuori, Kristiina A. M. Kiljunen, Mikko Migratory connectivity of two Baltic Sea salmon populations: retrospective analysis using stable isotopes of scales |
topic_facet |
Original Articles |
description |
<qd> Torniainen, J., Vuorinen, P. J., Jones, R. I., Keinänen, M., Palm, S., Vuori, K. A. M., and Kiljunen, M. 2014. Migratory connectivity of two Baltic Sea salmon populations: retrospective analysis using stable isotopes of scales. – ICES Journal of Marine Science, 71: 336–344. </qd> Migratory connectivity refers to the extent to which individuals of a migratory population behave in unison, and has significant consequences for the ecology, evolution and conservation of migratory animals. We made a retrospective assessment of the migratory connectivity of River Simojoki and River Kymijoki populations of Atlantic salmon Salmo salar L. by using stable isotope analysis of archived scales to identify the final feeding areas used before ascending rivers for spawning. We also tested differences in migratory connectivity between wild and hatchery-reared salmon and compared Carlin-tag recoveries with salmon scale stable isotope analysis as methods for studying salmon migrations. Stable isotope (δ13C, δ15N) values from the last growth region of scales from salmon caught ascending their natal rivers were compared via discriminant analysis with those from scales of salmon caught in different Baltic Sea areas during 1989–2011. Most River Simojoki salmon had likely fed in the Baltic Proper (mean ± SD for ascending fish probability 0.59 ± 0.32) with secondary likely feeding areas in the Bothnian Sea (0.21 ± 0.26) and the Gulf of Finland (0.20 ± 0.27). Most River Kymijoki salmon had likely fed in the Gulf of Finland (0.71 ± 0.42) with the Baltic Proper (0.29 ± 0.41) a secondary feeding area. The results did not indicate the Bothnian Sea to be an important feeding area. The two salmon populations showed weak migratory connectivity and rather fixed areal preference throughout the record irrespective of wild or stocked origin. Although the results from the scale stable isotope analyses were broadly consistent with previously reported Carlin-tag recoveries, we argue that the stable isotope approach offers several ... |
format |
Text |
author |
Torniainen, Jyrki Vuorinen, Pekka J. Jones, Roger I. Keinänen, Marja Palm, Stefan Vuori, Kristiina A. M. Kiljunen, Mikko |
author_facet |
Torniainen, Jyrki Vuorinen, Pekka J. Jones, Roger I. Keinänen, Marja Palm, Stefan Vuori, Kristiina A. M. Kiljunen, Mikko |
author_sort |
Torniainen, Jyrki |
title |
Migratory connectivity of two Baltic Sea salmon populations: retrospective analysis using stable isotopes of scales |
title_short |
Migratory connectivity of two Baltic Sea salmon populations: retrospective analysis using stable isotopes of scales |
title_full |
Migratory connectivity of two Baltic Sea salmon populations: retrospective analysis using stable isotopes of scales |
title_fullStr |
Migratory connectivity of two Baltic Sea salmon populations: retrospective analysis using stable isotopes of scales |
title_full_unstemmed |
Migratory connectivity of two Baltic Sea salmon populations: retrospective analysis using stable isotopes of scales |
title_sort |
migratory connectivity of two baltic sea salmon populations: retrospective analysis using stable isotopes of scales |
publisher |
Oxford University Press |
publishDate |
2014 |
url |
http://icesjms.oxfordjournals.org/cgi/content/short/71/2/336 https://doi.org/10.1093/icesjms/fst153 |
long_lat |
ENVELOPE(25.050,25.050,65.617,65.617) |
geographic |
Simojoki |
geographic_facet |
Simojoki |
genre |
Atlantic salmon Salmo salar |
genre_facet |
Atlantic salmon Salmo salar |
op_relation |
http://icesjms.oxfordjournals.org/cgi/content/short/71/2/336 http://dx.doi.org/10.1093/icesjms/fst153 |
op_rights |
Copyright (C) 2014, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer |
op_doi |
https://doi.org/10.1093/icesjms/fst153 |
container_title |
ICES Journal of Marine Science |
container_volume |
71 |
container_issue |
2 |
container_start_page |
336 |
op_container_end_page |
344 |
_version_ |
1766363421511516160 |