Global Spread of Non-Native Species: North America, Australia, and Europe at Risk

A study by researchers at the University of Exeter reveals that non-native species, known as naturalized species, have the potential to continue spreading in North America, Australia, and Europe. The study predicts the colonization potential of 833 naturalized plants, birds, and mammals and identifies factors that contribute to their spread. The research highlights the importance of a species' introduction history, dispersal ability, and suitable habitat locations in determining its spread. While many species have yet to expand into suitable areas, the study warns that invasions can have devastating effects on biodiversity, agriculture, and livelihoods. However, the researchers suggest that ecosystems may be holding off invaders better than expected, and effective management could help control the spread of naturalized species.