Relationships between fish stock changes in the Baltic Sea and the M74 syndrome, a reproductive disorder of Atlantic salmon (Salmo salar)
<qd> Mikkonen, J., Keinänen, M., Casini, M., Pönni, J., and Vuorinen, P. J. 2011. Relationships between fish stock changes in the Baltic Sea and the M74 syndrome, a reproductive disorder of Atlantic salmon ( Salmo salar ). – ICES Journal of Marine Science, 68: 2134–2144. </qd>The M74 syn...
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fthighwire:oai:open-archive.highwire.org:icesjms:68/10/2134 2023-05-15T15:31:40+02:00 Relationships between fish stock changes in the Baltic Sea and the M74 syndrome, a reproductive disorder of Atlantic salmon (Salmo salar) Mikkonen, Jaakko Keinänen, Marja Casini, Michèle Pönni, Jukka Vuorinen, Pekka J. 2011-11-01 00:00:00.0 text/html http://icesjms.oxfordjournals.org/cgi/content/short/68/10/2134 https://doi.org/10.1093/icesjms/fsr156 en eng Oxford University Press http://icesjms.oxfordjournals.org/cgi/content/short/68/10/2134 http://dx.doi.org/10.1093/icesjms/fsr156 Copyright (C) 2011, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer Articles TEXT 2011 fthighwire https://doi.org/10.1093/icesjms/fsr156 2011-10-12T12:31:55Z <qd> Mikkonen, J., Keinänen, M., Casini, M., Pönni, J., and Vuorinen, P. J. 2011. Relationships between fish stock changes in the Baltic Sea and the M74 syndrome, a reproductive disorder of Atlantic salmon ( Salmo salar ). – ICES Journal of Marine Science, 68: 2134–2144. </qd>The M74 syndrome of Baltic salmon ( Salmo salar ), which appears as increased yolk-sac fry mortality (YSFM), impairs the reproduction of salmon stocks. Changes in the prey stocks of Baltic salmon in its two feeding areas, the southern Baltic Proper (BPr), where sprat ( Sprattus sprattus ) was the main prey species during the high incidence of M74, and the Bothnian Sea, where herring ( Clupea harengus ) is the dominant species, were analysed in relation to salmon growth and size and in relation to the incidence of M74. The high condition factor (CF > 1.05) of prespawning salmon predicted high YSFM. From the various stock factors of sprat and herring in the southern BPr, the biomass of sprat had the strongest positive relationships with the CF of prespawning salmon, and the total prey biomass with YSFM. It is concluded that the ample but unbalanced food resources for salmon in the BPr, primarily sprat, induce M74. By reducing the fishing pressure on cod ( Gadus morhua ) and by more effectively managing the sprat fishery in years when the cod stock is weak, the incidence of the M74 syndrome could be reduced and even prevented. Text Atlantic salmon Gadus morhua Salmo salar HighWire Press (Stanford University) ICES Journal of Marine Science 68 10 2134 2144 |
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Articles Mikkonen, Jaakko Keinänen, Marja Casini, Michèle Pönni, Jukka Vuorinen, Pekka J. Relationships between fish stock changes in the Baltic Sea and the M74 syndrome, a reproductive disorder of Atlantic salmon (Salmo salar) |
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Articles |
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<qd> Mikkonen, J., Keinänen, M., Casini, M., Pönni, J., and Vuorinen, P. J. 2011. Relationships between fish stock changes in the Baltic Sea and the M74 syndrome, a reproductive disorder of Atlantic salmon ( Salmo salar ). – ICES Journal of Marine Science, 68: 2134–2144. </qd>The M74 syndrome of Baltic salmon ( Salmo salar ), which appears as increased yolk-sac fry mortality (YSFM), impairs the reproduction of salmon stocks. Changes in the prey stocks of Baltic salmon in its two feeding areas, the southern Baltic Proper (BPr), where sprat ( Sprattus sprattus ) was the main prey species during the high incidence of M74, and the Bothnian Sea, where herring ( Clupea harengus ) is the dominant species, were analysed in relation to salmon growth and size and in relation to the incidence of M74. The high condition factor (CF > 1.05) of prespawning salmon predicted high YSFM. From the various stock factors of sprat and herring in the southern BPr, the biomass of sprat had the strongest positive relationships with the CF of prespawning salmon, and the total prey biomass with YSFM. It is concluded that the ample but unbalanced food resources for salmon in the BPr, primarily sprat, induce M74. By reducing the fishing pressure on cod ( Gadus morhua ) and by more effectively managing the sprat fishery in years when the cod stock is weak, the incidence of the M74 syndrome could be reduced and even prevented. |
format |
Text |
author |
Mikkonen, Jaakko Keinänen, Marja Casini, Michèle Pönni, Jukka Vuorinen, Pekka J. |
author_facet |
Mikkonen, Jaakko Keinänen, Marja Casini, Michèle Pönni, Jukka Vuorinen, Pekka J. |
author_sort |
Mikkonen, Jaakko |
title |
Relationships between fish stock changes in the Baltic Sea and the M74 syndrome, a reproductive disorder of Atlantic salmon (Salmo salar) |
title_short |
Relationships between fish stock changes in the Baltic Sea and the M74 syndrome, a reproductive disorder of Atlantic salmon (Salmo salar) |
title_full |
Relationships between fish stock changes in the Baltic Sea and the M74 syndrome, a reproductive disorder of Atlantic salmon (Salmo salar) |
title_fullStr |
Relationships between fish stock changes in the Baltic Sea and the M74 syndrome, a reproductive disorder of Atlantic salmon (Salmo salar) |
title_full_unstemmed |
Relationships between fish stock changes in the Baltic Sea and the M74 syndrome, a reproductive disorder of Atlantic salmon (Salmo salar) |
title_sort |
relationships between fish stock changes in the baltic sea and the m74 syndrome, a reproductive disorder of atlantic salmon (salmo salar) |
publisher |
Oxford University Press |
publishDate |
2011 |
url |
http://icesjms.oxfordjournals.org/cgi/content/short/68/10/2134 https://doi.org/10.1093/icesjms/fsr156 |
genre |
Atlantic salmon Gadus morhua Salmo salar |
genre_facet |
Atlantic salmon Gadus morhua Salmo salar |
op_relation |
http://icesjms.oxfordjournals.org/cgi/content/short/68/10/2134 http://dx.doi.org/10.1093/icesjms/fsr156 |
op_rights |
Copyright (C) 2011, International Council for the Exploration of the Sea/Conseil International pour l'Exploration de la Mer |
op_doi |
https://doi.org/10.1093/icesjms/fsr156 |
container_title |
ICES Journal of Marine Science |
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68 |
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10 |
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2134 |
op_container_end_page |
2144 |
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1766362194041110528 |