Ocean current connectivity propelling the secondary spread of a marine invasive comb jelly across western Eurasia

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Dokumenter

DOI

  • Cornelia Jaspers, National Institute of Aquatic Resources (DTU Aqua), GEOMAR, GEOMAR Helmholtz Center for Ocean Research Kiel, Helmholtz Association
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  • Bastian Huwer, National Institute of Aquatic Resources (DTU Aqua)
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  • Elvire Antajan, IFREMER, Ifremer, French Res Inst Explorat Sea
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  • Aino Hosia, IMR, Institute of Marine Research - Norway
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  • Hans-Harald Hinrichsen, Helmholtz Ctr Ocean Res, GEOMAR Helmholtz Center for Ocean Research Kiel, Helmholtz Association, Alfred Wegener Institute, Helmholtz Centre for Polar & Marine Research, GEOMAR, Evolutionary Ecol Marine Fishes
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  • Arne Biastoch, Helmholtz Ctr Ocean Res, GEOMAR Helmholtz Center for Ocean Research Kiel, Helmholtz Association, Alfred Wegener Institute, Helmholtz Centre for Polar & Marine Research, GEOMAR, Theory & Modelling
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  • Dror Angel, Univ Haifa, University of Haifa, Dept Maritime Civilizat
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  • Ragnhild Asmus
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  • Christina Augustin, Univ Rostock, University of Rostock, Inst Biosci, Appl Ecol & Phycol
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  • Siamak Bagheri, AREEO, Iranian Fisheries Sci Inst, Inland Waters Aquaculture Res Ctr
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  • Steven E. Beggs, AFBI, Agri-Food & Biosciences Institute, Sustainable Agrifood Sci Div
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  • Thorsten J. S. Balsby
  • Maarten Boersma
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  • Delphine Bonnet, Univ Montpellier, Languedoc-Roussillon Universites (ComUE), Universite de Montpellier, Lab MARBEC
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  • Jens T. Christensen
  • Andreas Daenhardt, Univ Hamburg, University of Hamburg, IHF
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  • Floriane Delpy, Univ Toulon & Var, Centre National de la Recherche Scientifique (CNRS), Institut de Recherche pour le Developpement (IRD), Aix-Marseille Universite, Aix Marseille Univ, CNRS, IRD,MIO
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  • Tone Falkenhaug, IMR, Institute of Marine Research - Norway
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  • Galina Finenko, IMBR, Anim Physiol & Biochem
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  • Nicholas E. C. Fleming, Queens Univ, Queens University Belfast, Sch Biol Sci
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  • Veronica Fuentes
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  • Bella Galil, Tel Aviv Univ, Tel Aviv University, Israel Natl Ctr Biodivers Studies, Steinhardt Museum Nat Hist
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  • Arjan Gittenberger, ANEMOON Fdn
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  • Donal C. Griffin, Queens Univ, Queens University Belfast, Sch Biol Sci
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  • Holger Haslob, Johann Heinrich von Thunen Inst TI, Inst Sea Fisheries
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  • Jamileh Javidpour, Helmholtz Ctr Ocean Res, GEOMAR Helmholtz Center for Ocean Research Kiel, Alfred Wegener Institute, Helmholtz Centre for Polar & Marine Research, Helmholtz Association, GEOMAR, Expt Ecol 1
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  • Lyudmila Kamburska
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  • Sandra Kube, Leibniz Inst Balt Sea Res, Leibniz Institut fur Ostseeforschung Warnemunde
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  • Victor T. Langenberg, Deltares, Deltares, Dept Sustainable Water & Soil Resources
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  • Maiju Lehtiniemi, Marine Res Ctr, Finnish Environment Institute, SYKE, Finnish Environm Inst
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  • Fabien Lombard, Sorbonne Univ, Sorbonne Universite, Observ Oceanol Villefranche Sur Mer
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  • Arne Malzahn, SINTEF Ocean, Marine Resources Technol
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  • Macarena Marambio
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  • Veselina Mihneva, Inst Fishing Resources, Agricultural Academy - Bulgaria
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  • Lene Friis Moller, Danish Shellfish Centre, DTU Aqua
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  • Ulrich Niermann
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  • Melek Isinibilir Okyar, Istanbul Univ, Istanbul University, Fac Aquat Sci, Dept Marine Biol
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  • Zekiye Birinci Ozdemir, Sinop Univ, Sinop University, Fac Fisheries
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  • Sophie Pitois, CEFAS, Centre for Environment Fisheries & Aquaculture Science, Ctr Environm, Div Environm & Ecosyst Pelag Sci
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  • Thorsten B. H. Reusch, Helmholtz Ctr Ocean Res, GEOMAR Helmholtz Center for Ocean Research Kiel, Helmholtz Association, Alfred Wegener Institute, Helmholtz Centre for Polar & Marine Research, GEOMAR, Evolutionary Ecol Marine Fishes
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  • Johan Robbens, Inst Agr & Fisheries Res ILVO, Institute For Agricultural & Fisheries Research, Aquat Environm & Qual
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  • Kremena Stefanova, BAS, Bulgarian Academy of Sciences, Inst Oceanol, Marine Biol & Ecol Dept
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  • Delphine Thibault, CNRS, Institut de Recherche pour le Developpement (IRD), IRD, MARBEC, Dept Environm Affairs
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  • Henk W. van der Veer, Univ Utrecht, Royal Netherlands Institute for Sea Research (NIOZ), Utrecht University, Royal Netherlands Inst Sea Res, Dept Coastal Syst
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  • Lies Vansteenbrugge, Inst Agr & Fisheries Res ILVO, Institute For Agricultural & Fisheries Research, Aquat Environm & Qual
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  • Lodewijk van Walraven, Univ Utrecht, Royal Netherlands Institute for Sea Research (NIOZ), Utrecht University, Royal Netherlands Inst Sea Res, Dept Coastal Syst
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  • Adam Wozniczka, Natl Marine Fisheries Res Inst, National Marine Fisheries Research Institute, Dept Fisheries Oceanog & Marine Ecol

Aim: Invasive species are of increasing global concern. Nevertheless, the mechanisms driving further distribution after the initial establishment of non-native species remain largely unresolved, especially in marine systems. Ocean currents can be a major driver governing range occupancy, but this has not been accounted for in most invasion ecology studies so far. We investigate how well initial establishment areas are interconnected to later occupancy regions to test for the potential role of ocean currents driving secondary spread dynamics in order to infer invasion corridors and the source-sink dynamics of a non-native holoplanktonic biological probe species on a continental scale.

Location: Western Eurasia.

Time period: 1980s-2016.

Major taxa studied: 'Comb jelly' Mnemiopsis leidyi.

Methods: Based on 12,400 geo-referenced occurrence data, we reconstruct the invasion history of M. leidyi in western Eurasia. We model ocean currents and calculate their stability to match the temporal and spatial spread dynamics with large-scale connectivity patterns via ocean currents. Additionally, genetic markers are used to test the predicted connectivity between subpopulations.

Results: Ocean currents can explain secondary spread dynamics, matching observed range expansions and the timing of first occurrence of our holoplanktonic non-native biological probe species, leading to invasion corridors in western Eurasia. In northern Europe, regional extinctions after cold winters were followed by rapid recolonizations at a speed of up to 2,000 km per season. Source areas hosting year-round populations in highly interconnected regions can re-seed genotypes over large distances after local extinctions.

Main conclusions: Although the release of ballast water from container ships may contribute to the dispersal of non-native species, our results highlight the importance of ocean currents driving secondary spread dynamics. Highly interconnected areas hosting invasive species are crucial for secondary spread dynamics on a continental scale. Invasion risk assessments should consider large-scale connectivity patterns and the potential source regions of non-native marine species.

OriginalsprogEngelsk
TidsskriftGlobal Ecology and Biogeography
Vol/bind27
Nummer7
Sider (fra-til)814-827
Antal sider14
ISSN1466-822X
DOI
StatusUdgivet - jul. 2018

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