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The invasive bighead goby Ponticola kessleri displays large-scale genetic similarities and small-scale genetic differentiation in relation to shipping patterns.
Journal article

The invasive bighead goby Ponticola kessleri displays large-scale genetic similarities and small-scale genetic differentiation in relation to shipping patterns.

  • Adrian-Kalchhauser I Program Man-Society-Environment, Department of Environmental Sciences, University of Basel, Vesalgasse 1, CH-4051, Basel, Switzerland.
  • Hirsch PE Program Man-Society-Environment, Department of Environmental Sciences, University of Basel, Vesalgasse 1, CH-4051, Basel, Switzerland.
  • Behrmann-Godel J Limnological Institute, University of Konstanz, Mainaustrasse 252, D-78457, Konstanz, Germany.
  • N'Guyen A Program Man-Society-Environment, Department of Environmental Sciences, University of Basel, Vesalgasse 1, CH-4051, Basel, Switzerland.
  • Watzlawczyk S Zoological Institute of the University of Cologne, Department of General Ecology & Limnology, Ecological Field Station Grietherbusch, D-50923, Cologne, Germany.
  • Gertzen S Zoological Institute of the University of Cologne, Department of General Ecology & Limnology, Ecological Field Station Grietherbusch, D-50923, Cologne, Germany.
  • Borcherding J Zoological Institute of the University of Cologne, Department of General Ecology & Limnology, Ecological Field Station Grietherbusch, D-50923, Cologne, Germany.
  • Burkhardt-Holm P Program Man-Society-Environment, Department of Environmental Sciences, University of Basel, Vesalgasse 1, CH-4051, Basel, Switzerland.
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  • 2016-03-02
Published in:
  • Molecular ecology. - 2016
Ponto-Caspian goby
ballast water
invasion genetics
microsatellite
vector
Animal Distribution
Animals
DNA, Mitochondrial
Genetics, Population
Germany
Haplotypes
Introduced Species
Microsatellite Repeats
Perciformes
Phenotype
Rivers
Sequence Analysis, DNA
Ships
Switzerland
English Colonization events, range expansions and species invasions leave genetic signatures in the genomes of invasive organisms and produce intricate special patterns. Predictions have been made as to how those patterns arise, but only very rarely, genetic processes can be monitored in real time during range expansions. In an attempt to change that, we track a very recently established invasive population of a fish species, the bighead goby Ponticola kessleri, with high temporal and spatial resolution through 2 years to identify patterns over time. We then compare Swiss and German samples of bighead goby along the river Rhine using microsatellites, mitochondrial D-loop sequences and geometric morphometrics to investigate geographic patterns. We detect weak temporal and strong geographic patterns in the data, which are inconsistent with isolation by distance and indicate long range transport. In search of an explanation for our observations, we analyse the vector properties and travel patterns of commercial vessels on the river Rhine. We present evidence that freshwater cargo ships and tankers are plausible vectors for larvae of invasive goby species. We also present indications that cargo ships and tankers act as differential vectors for this species. In summary, we present genetic data at unique temporal resolution from a vertebrate invasion front and substantiate the paramount role of commercial shipping in freshwater fish translocations.
Language
  • English
Open access status
closed
Identifiers
Persistent URL
https://sonar.ch/global/documents/231865
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