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Article Dans Une Revue NeoBiota Année : 2021

Economic costs of invasive species in Germany

Phillip J Haubrock
  • Fonction : Auteur
Ross N Cuthbert
Andrea Sundermann
  • Fonction : Auteur
Christophe Diagne
Marina Golivets
  • Fonction : Auteur
Franck Courchamp

Résumé

Invasive alien species are a well-known and pervasive threat to global biodiversity and human well-being. Despite substantial impacts of invasive alien species, quantitative syntheses of monetary costs incurred from invasions in national economies are often missing. As a consequence, adequate resource allocation for management responses to invasions has been inhibited, because cost-benefit analysis of management actions cannot be derived. To determine the economic cost of invasions in Germany, a Central European country with the 4 th largest GDP in the world, we analysed published data collected from the first global assessment of economic costs of invasive alien species. Overall, economic costs were estimated at US$ 9.8 billion between 1960 and 2020, including US$ 8.9 billion in potential costs. The potential costs were mostly linked to extrapolated costs of the American bullfrog Lithobates catesbeianus, the black cherry Prunus serotina and two mammals: the muskrat Ondatra zibethicus and the American mink Neovison vison. Observed costs were driven by a broad range of taxa and mostly associated with control-related spending and resource damages or losses. We identified a considerable increase in costs relative to previous estimates and through time. Importantly, of the 2,249 alien and 181 invasive species reported in Germany, only 28 * These authors contributed equally.
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Dates et versions

hal-03410327 , version 1 (31-10-2021)

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Phillip J Haubrock, Ross N Cuthbert, Andrea Sundermann, Christophe Diagne, Marina Golivets, et al.. Economic costs of invasive species in Germany. NeoBiota, 2021, 67, pp.225 - 246. ⟨10.3897/neobiota.67.59502⟩. ⟨hal-03410327⟩
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