Basin-scale phenology and effects of climate variability on global timing of initial seaward migration of Atlantic salmon (Salmo salar)

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Basin-scale phenology and effects of climate variability on global timing of initial seaward migration of Atlantic salmon (Salmo salar)

Otero, Jaime (författare): Centre for Ecological and Evolutionary Synthesis (CEES), Department of Biosciences, University of Oslo, Oslo, Norway

L'Abee-Lund, Jan Henning (författare): Norwegian Water and Energy Directorate, P.O. Box 5091, Majorstuen, Oslo, Norway

Castro-Santos, Ted (författare): Silvio O. Conte Anadromous Fish Research Center, US Geological Survey, Biological Resources Division, USA

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Leonardsson, Kjell (författare): Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för vilt, fisk och miljö,Department of Wildlife, Fish and Environmental Studies,Department of Wildlife, Fish and Environmental Studies SLU, SwedishUniversity of Agricultural Sciences, Umeå, Sweden

Storvik, Geir O. (författare): Centre for Ecological and Evolutionary Synthesis (CEES), Department of Biosciences, University of Oslo, P.O. Box 1066,Blindern, Oslo, Norway; Department of Mathematics, University of Oslo, Oslo, Norway

Jonsson, Bror, 1948- (författare): Karlstads universitet,Avdelningen för biologi,Norsk institutt for naturforskning (NINA),Naturresurs Rinnande Vatten

Dempson, Brian (författare): Fisheries and Oceans Canada, Canada

Russell, Ian C. (författare): Cefas Lowestoft Laboratory, Pakeﬁeld Road,Lowestoft, Suffolk, UK

Jensen, Arne J. (författare): Norwegian Institute for Nature Research (NINA), P.O. Box 5685, Sluppen, Trondheim, Norway

Bagliniere, Jean-Luc (författare): Institut National de la Recherche Agronomique, Agrocampus Ouest, Rennes, France

Dionne, Melanie (författare): Ministe`re du De´veloppement Durable, de l’Environnement, de la Faune et des Parcs du Que´bec, Direction de la FauneAquatique, Que´bec, Canada

Armstrong, John D. (författare): Marine Scotland, Freshwater Laboratory Pitlochry, Perthshire, UK

Romakkaniemi, Atso (författare): Finnish Game and Fisheries Research Institute, University of Oulu, Oulu, Finland

Letcher, Benjamin H. (författare): Silvio O. Conte Anadromous Fish Research Center, US Geological Survey, Biological Resources Division, USA

Kocik, John F. (författare): NationalMarine Fisheries Service, Northeast Fisheries Science Center, Maine Field Station, USA

Erkinaro, Jaakko (författare): Finnish Game and Fisheries Research Institute, University of Oulu, Oulu, Finland

Poole, Russell (författare): Fisheries Ecosystem Advisory Services, Marine Institute, Newport, Mayo, Ireland

Rogan, Ger (författare): Fisheries Ecosystem Advisory Services, Marine Institute, Newport, Mayo, Ireland

Lundqvist, Hans (författare): Swedish University of Agricultural Sciences,Sveriges lantbruksuniversitet,Institutionen för vilt, fisk och miljö,Department of Wildlife, Fish and Environmental Studies,Department of Wildlife, Fish and Environmental Studies SLU, SwedishUniversity of Agricultural Sciences, Umeå, Sweden

MacLean, Julian C. (författare): Institute of Freshwater Fisheries, Reykjavik, Iceland

Jokikokko, Erkki (författare): Finnish Game and Fisheries Research Institute, University of Oulu, P.O. Box 413, Oulu, Oulu, Finland

Arnekleiv, Jo Vegar (författare): Section of NaturalHistory, Museum of Natural History and Archaeology, Norwegian University of Science and Technology, Trondheim, Norway

Kennedy, Richard J. (författare): Agri-Food and Biosciences Institute, Newforge Lane, Belfast, UK

Niemela, Eero (författare): Finnish Game and Fisheries Research Institute, University of Oulu, Oulu, Finland

Caballero, Pablo (författare): Seccio´n de Biodiversidade, Servizode Conservacio´n da Natureza de Pontevedra, Consellerı´a de Medio Rural-Xunta de Galicia, Spain

Music, Paul A. (författare): NationalMarine Fisheries Service, Northeast Fisheries Science Center, USA

Antonsson, Thorolfur (författare): Institute of Freshwater Fisheries, Reykjavik, Iceland

Gudjonsson, Sigurdur (författare): Institute of Freshwater Fisheries, Keldnaholt, Iceland

Veselov, Alexey E. (författare): Institute of Biology, KarelianResearch Centre of Russian Academy of Sciences, Russia

Lamberg, Anders (författare): Vilt og ﬁskeinfo AS, Ranheim, Norway

Groom, Steve (författare): Remote Sensing Group, Plymouth Marine Laboratory,Plymouth, UK

Taylor, Benjamin H. (författare): Remote Sensing Group, Plymouth Marine Laboratory,Plymouth, UK

Taberner, Malcolm (författare): Remote Sensing Group, Plymouth Marine Laboratory,Plymouth, UK

Dillane, Mary (författare): Fisheries Ecosystem Advisory Services, Marine Institute, Newport, Mayo, Ireland

Arnason, Fridthjofur (författare): Institute of Freshwater Fisheries, Reykjavik, Iceland

Horton, Gregg (författare): Silvio O. Conte Anadromous Fish Research Center, US Geological Survey, Biological Resources Division, USA

Hvidsten, Nils A. (författare): Norwegian Institute for Nature Research (NINA), Trondheim, Norway

Jonsson, Ingi R. (författare): Institute of Freshwater Fisheries, Reykjavik, Iceland

Jonsson, Nina (författare): Norwegian Institute for Nature Research (NINA), Oslo, Norway

McKelvey, Simon (författare): Cromarty Firth Fisheries Trust,Ross-shire, UK

Naesje, Tor F. (författare): Norwegian Institute for Nature Research (NINA), Trondheim, Norway

Skaala, Oystein (författare): Institute of Marine Research, P.O. Box 1970 Nordnes, Bergen, Norway

Smith, Gordon W. (författare): Marine Scotland, FreshwaterLaboratory Field Station, UK

Saegrov, Harald (författare): Rådgi-vende Biologer AS, Bredsgården, Bergen, Norway

Stenseth, Nils C. (författare): Centre for Ecological and Evolutionary Synthesis (CEES), Department of Biosciences, University of Oslo, Oslo, Norway; Institute of Marine Research, Flødevigen Marine ResearchStation, His, Norway

Vollestad, Leif Asbjorn (författare): Centre for Ecological and Evolutionary Synthesis (CEES), Department of Biosciences, University of Oslo, Oslo, Norway

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Centre for Ecological and Evolutionary Synthesis (CEES), Department of Biosciences, University of Oslo, Oslo, Norway Norwegian Water and Energy Directorate, PO. Box 5091, Majorstuen, Oslo, Norway (creator_code:org_t)

2013-11-21
2014
Engelska.
Ingår i: Global Change Biology. - : Wiley. - 1354-1013 .- 1365-2486. ; 20:1, s. 61-75

Relaterad länk:: https://nve.brage.un...; visa fler...; https://urn.kb.se/re...; https://doi.org/10.1...; https://res.slu.se/i...; visa färre...

Tidskriftsartikel (refereegranskat)

Abstract Ämnesord

Stäng

Migrations between different habitats are key events in the lives of many organisms. Such movements involve annually recurring travel over long distances usually triggered by seasonal changes in the environment. Often, the migration is associated with travel to or from reproduction areas to regions of growth. Young anadromous Atlantic salmon (Salmo salar) emigrate from freshwater nursery areas during spring and early summer to feed and grow in the North Atlantic Ocean. The transition from the freshwater ('parr') stage to the migratory stage where they descend streams and enter salt water ('smolt') is characterized by morphological, physiological and behavioural changes where the timing of this parr-smolt transition is cued by photoperiod and water temperature. Environmental conditions in the freshwater habitat control the downstream migration and contribute to within- and among-river variation in migratory timing. Moreover, the timing of the freshwater emigration has likely evolved to meet environmental conditions in the ocean as these affect growth and survival of the post-smolts. Using generalized additive mixed-effects modelling, we analysed spatio-temporal variations in the dates of downstream smolt migration in 67 rivers throughout the North Atlantic during the last five decades and found that migrations were earlier in populations in the east than the west. After accounting for this spatial effect, the initiation of the downstream migration among rivers was positively associated with freshwater temperatures, up to about 10 °C and levelling off at higher values, and with sea-surface temperatures. Earlier migration occurred when river discharge levels were low but increasing. On average, the initiation of the smolt seaward migration has occurred 2.5 days earlier per decade throughout the basin of the North Atlantic. This shift in phenology matches changes in air, river, and ocean temperatures, suggesting that Atlantic salmon emigration is responding to the current global climate changes.

Ämnesord

NATURVETENSKAP -- Biologi (hsv//swe)
NATURAL SCIENCES -- Biological Sciences (hsv//eng)
NATURVETENSKAP -- Biologi -- Ekologi (hsv//swe)
NATURAL SCIENCES -- Biological Sciences -- Ecology (hsv//eng)
LANTBRUKSVETENSKAPER -- Lantbruksvetenskap, skogsbruk och fiske -- Skogsvetenskap (hsv//swe)
AGRICULTURAL SCIENCES -- Agriculture, Forestry and Fisheries -- Forest Science (hsv//eng)

Nyckelord

Atlantic salmon
North Atlantic
freshwater conditions
phenology
sea surface temperature
smolt emigration
Biology
Biologi

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Av författaren/redakt...: Otero, Jaime; L'Abee-Lund, Jan ...; Castro-Santos, T ...; Leonardsson, Kje ...; Storvik, Geir O.; Jonsson, Bror, 1 ...; visa fler...; Dempson, Brian; Russell, Ian C.; Jensen, Arne J.; Bagliniere, Jean ...; Dionne, Melanie; Armstrong, John ...; Romakkaniemi, At ...; Letcher, Benjami ...; Kocik, John F.; Erkinaro, Jaakko; Poole, Russell; Rogan, Ger; Lundqvist, Hans; MacLean, Julian ...; Jokikokko, Erkki; Arnekleiv, Jo Ve ...; Kennedy, Richard ...; Niemela, Eero; Caballero, Pablo; Music, Paul A.; Antonsson, Thoro ...; Gudjonsson, Sigu ...; Veselov, Alexey ...; Lamberg, Anders; Groom, Steve; Taylor, Benjamin ...; Taberner, Malcol ...; Dillane, Mary; Arnason, Fridthj ...; Horton, Gregg; Hvidsten, Nils A ...; Jonsson, Ingi R.; Jonsson, Nina; McKelvey, Simon; Naesje, Tor F.; Skaala, Oystein; Smith, Gordon W.; Saegrov, Harald; Stenseth, Nils C ...; Vollestad, Leif ...; visa färre...

Om ämnet

NATURVETENSKAP: NATURVETENSKAP; och Biologi

NATURVETENSKAP: NATURVETENSKAP; och Biologi; och Ekologi

LANTBRUKSVETENSKAPER: LANTBRUKSVETENSK ...; och Lantbruksvetensk ...; och Skogsvetenskap

Artiklar i publikationen: Global Change Bi ...

Av lärosätet: Karlstads universitet; Sveriges Lantbruksuniversitet

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