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Article Dans Une Revue Science of the Total Environment Année : 2024

Economic costs of invasive non-native species in urban areas: An underexplored financial drain

Romina D Fernandez
Alok Bang
Marion Cordonnier
Bernd Lenzner
Kathrin Holenstein
  • Fonction : Auteur
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Natalia Kirichenko
Romina D Dimarco
Thomas W. Bodey
Franck Courchamp

Résumé

Urbanization is an important driver of global change associated with a set of environmental modifications that affect the introduction and distribution of invasive non-native species (species with populations transported by humans beyond their natural biogeographic range that established and are spreading in their introduced range; hereafter, invasive species). These species are recognized as a cause of large ecological and economic losses. Nevertheless, the economic impacts of these species in urban areas are still poorly understood. Here we present a synthesis of the reported economic costs of invasive species in urban areas using the global InvaCost database, and demonstrate that costs are likely underestimated. Sixty-one invasive species have been reported to cause a cumulative cost of USD 326.7 billion in urban areas between 1965 and 2021 globally (average annual cost of US$ 5.7 billion). Class Insecta was responsible for >99 % of reported costs (USD 324.4 billion), followed by Aves (USD 1.4 billion), and Magnoliopsida (US$ 494 million). The reported costs were highly uneven with the sum of the five costliest species representing 80 %. Most reported costs were a result of damage (77.3 %), principally impacting public and social welfare (77.9 %) and authorities-stakeholders (20.7 %), and were almost entirely recorded in terrestrial environments (99.9 %). We found costs reported to 24 countries, yet there were 73 countries with records of species that cause urban costs elsewhere but with no urban costs reported themselves. Although covering a relatively small area of the earth surface, urban areas represent about 15 % of the total reported costs attributed to invasive species. These results highlight the conservative nature of the estimates and impacts, revealing important biases present in the evaluation and publication of reported data on costs. Thus, we emphasize the urgent need for more focused assessments of invasive species economic impacts in urban areas.
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Origine : Publication financée par une institution
Licence : CC BY NC ND - Paternité - Pas d'utilisation commerciale - Pas de modification

Dates et versions

hal-04429893 , version 1 (09-04-2024)

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Paternité - Pas d'utilisation commerciale - Pas de modification

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Gustavo Heringer, Romina D Fernandez, Alok Bang, Marion Cordonnier, Ana Novoa, et al.. Economic costs of invasive non-native species in urban areas: An underexplored financial drain. Science of the Total Environment, 2024, Science of the Total Environment, 917, pp.170336. ⟨10.1016/j.scitotenv.2024.170336⟩. ⟨hal-04429893⟩
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