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Is topmouth gudgeon Pseudorasbora parva responsible for the decline in sunbleak Leucaspius delineatus populations?

Authors

  • A. Carpentier,

    Corresponding author
    1. * UMR 6553 ECOBIO, CNRS-University of Rennes 1, F-35042 Rennes, France and Bournemouth University, School of Conservation Sciences, Dorset House, Talbot Campus, Fern Barrow, Poole, Dorset BH12 5BB, U.K.
      †Tel.: +33 223236147; fax: +33 223235138; email: alexandre.carpentier@univ-rennes1.fr
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  • R. E. Gozlan,

    1. * UMR 6553 ECOBIO, CNRS-University of Rennes 1, F-35042 Rennes, France and Bournemouth University, School of Conservation Sciences, Dorset House, Talbot Campus, Fern Barrow, Poole, Dorset BH12 5BB, U.K.
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  • J. Cucherousset,

    1. * UMR 6553 ECOBIO, CNRS-University of Rennes 1, F-35042 Rennes, France and Bournemouth University, School of Conservation Sciences, Dorset House, Talbot Campus, Fern Barrow, Poole, Dorset BH12 5BB, U.K.
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    • §

      Present address: EcoLab, Laboratoire d’écologie fonctionnelle, UMR 5245 (CNRS-UPS-INPT), University Paul Sabatier, bât 4R3, 118, route de Narbonne, 31062 Toulouse Cedex 9, France

  • J.-M. Paillisson,

    1. * UMR 6553 ECOBIO, CNRS-University of Rennes 1, F-35042 Rennes, France and Bournemouth University, School of Conservation Sciences, Dorset House, Talbot Campus, Fern Barrow, Poole, Dorset BH12 5BB, U.K.
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  • L. Marion

    1. * UMR 6553 ECOBIO, CNRS-University of Rennes 1, F-35042 Rennes, France and Bournemouth University, School of Conservation Sciences, Dorset House, Talbot Campus, Fern Barrow, Poole, Dorset BH12 5BB, U.K.
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Errata

This article is corrected by:

  1. Errata: Errata Volume 72, Issue 3, 786, Article first published online: 6 February 2008

†Tel.: +33 223236147; fax: +33 223235138; email: alexandre.carpentier@univ-rennes1.fr

Abstract

In England, a severe decline of introduced sunbleak Leucaspius delineatus populations has been attributed to the introduction of the invasive topmouth gudgeon Pseudorasbora parva. In France, however, after 4 years of P. parva colonization in a large natural lake, no demonstrated impacts on the native L. delineatus populations have been observed. This suggests that the original impacts observed in England, such as spawning inhibition and high mortality, were the result of an emerging pathogen, the rosette-like agent, hosted by L. delineatus rather than P. parva.

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