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As invasive species expand to new regions wreaking havoc on native species and ecosystems, researchers recently examined the impact of these invasions on countries across the world and determined which ones are best and least prepared. With one-sixth of the Earth’s surface vulnerable to invasive species, this global analysis — a first of its kind — could help highlight areas that need better management of invasive species, according to the researchers who compiled data from trade databases as well as global environmental analyses and government reports. They recently published their findings in Nature Communications.