Review Paper

Biological Invasions

, Volume 9, Issue 7, pp 767-772

First online:

Pattern of distribution of the American bullfrog Rana catesbeiana in Europe

  • Gentile Francesco FicetolaAffiliated withUMR CNRS 5553 LECA-GPB, Laboratoire d’Ecologie Alpine, équipe Génomique des Populations et Biodiversité, Université de Savoie Email author 
  • , Christophe CoïcAffiliated withAssociation Cistude Nature, Chemin du Moulinat
  • , Mathieu DetaintAffiliated withAssociation Cistude Nature, Chemin du Moulinat
  • , Matthieu BerroneauAffiliated withAssociation Cistude Nature, Chemin du Moulinat
  • , Olivier LorvelecAffiliated withEquipe Gestion des Populations Invasives, INRA-Unité SCRIBE
  • , Claude MiaudAffiliated withUMR CNRS 5553 LECA-GPB, Laboratoire d’Ecologie Alpine, équipe Génomique des Populations et Biodiversité, Université de Savoie

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Abstract

Despite early reports of its presence, no recent data exist on the distribution of the American bullfrog in Europe, the causes of introduction, or the trends of populations. We monitored the European situation at two spatial scales. In SW France, we performed call surveys over 2,500 wetlands. We found bullfrogs over about 2,000 km2, apparently the European area in which the strongest expansion of bullfrogs is taking place. In addition, we used questionnaires to investigate the situation at the continental scale. At least 25 independent introductions occurred in Europe; eradication attempts were successful three times, and bullfrog populations are present in five countries. Education programs and monitoring are necessary to reduce the rate of introduction and to start management action as soon as possible.

Keywords

France Invasion success Rana catesbeiana Invasion causes Monitoring Distribution Invasive species Community richness