Here, we conducted a comprehensive NIS prediction analysis for the port of Gijon (northern Spain), one of the largest ports in the south Bay of Biscay, as a case study that can be extrapolated to other international seaports. Preventive port strategies should include analyzing risks based on traffic origins and volumes, revising port policies for inspections, estimating probabilities of non-indigenous species (NIS) appearance, monitoring routine species within ports, and finally implementing management plans and focused actions. Thus, ships and maritime activity have been identified as the main factors responsible for the vast majority of accidental species translocations around the world, implying that prevention should be the core of environmental port policies. Invasive alien species (IAS) are currently considered one of the greatest threats to global marine ecosystems. 1Department of Functional Biology, Genetics, University of Oviedo, Oviedo, Spain.Laura Miralles 1†‡, Aitor Ibabe 1†, Mónica González 2, Eva García-Vázquez 1 and Yaisel J.
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