Syracuse

Identifying economic costs and knowledge gaps of invasive aquatic crustaceans

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Kouba, Antonín | Oficialdegui, Francisco, J | Cuthbert, Ross, N | Kourantidou, Melina | South, Josie | Tricarico, Elena | Gozlan, Rodolphe, E | Courchamp, Franck | Haubrock, Phillip, J

Edité par CCSD ; Elsevier -

International audience. Despite voluminous literature identifying the impacts of invasive species, summaries of monetary costs for some taxonomic groups remain limited. Invasive alien crustaceans often have profound impacts on recipient ecosystems, but there may be great unknowns related to their economic costs. Using the InvaCost database, we quantify and analyse reported costs associated with invasive crustaceans globally across taxonomic, spatial, and temporal descriptors. Specifically, we quantify the costs of prominent aquatic crustaceanscrayfish, crabs, amphipods, and lobsters. Between 2000 and 2020, crayfish caused US$ 120.5 million in reported costs; the vast majority (99%) being attributed to representatives of Astacidae and Cambaridae. Crayfish-related costs were unevenly distributed across countries, with a strong bias towards European economies (US$ 116.4 million; mainly due to the signal crayfish in Sweden), followed

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