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Paper in PNAS

Aymeric Bonnamour and Cleo Bertelsmeier have published a study on historical plant invasions predicting current insect invasions. Invasive insects severely impair ecosystem functioning and impact human societies. It is therefore urgent to better predict and prevent future invasions. Using statistical models, they show that nonnative plant introductions are a major driver of insect invasions, and that insect invasions lag behind plant invasions. In the near future, new insect invasions are estimated to increase by 35% worldwide based on recent nonnative plant introductions. The Afrotropics, the Neotropics, and Indomalaya are the regions most at risk of future invasions. These results highlight that limiting the introduction and spread of nonnative plants will be key to preventing future insect invasions. Link

The study was featured on:

UNIL webpage

CQFD radio show (RTS)

Le Temps

RJF

News Day Fr

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Dispatch in Current Biology

Cleo Bertelsmeier highlights new research on alien ants showing that they are a particularly successful group of introduced species which have completely reshaped community structures and have spread worldwide with ongoing globalization. Link.

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Climate change and invasive species

Interview in 24heures with Cleo Bertelsmeier about impacts of climate change on the movements of insects potentially threatening human health: Link

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Pet trade and invasion risk

A news post on 24heures / Le matin dimanche on our research about invasive animals sold as exotic pets (in French). Link

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Post-doctoral project funded by the Swiss National Science Foundation

The Swiss National Science Foundation has accorded the Swiss Postdoctoral fellowship 2021 to Lucie Aulus-Giacosa for the project “Does human-mediated species dispersal redefine global bioregions?”. Lucie will therefore remain in Cleo’s team for two additional years (1) to test if bioregions of ant species differ from vertebrates (birds, mammals, amphibians) and elucidate what determines the global boundaries of ant bioregions, (2) to test if potential novel bioregions in the Anthropocene are linked to human mobility, trade and environmental factors, and (3) to determine the consequences of species invasions at the global scale on functional diversity.

To that purpose, Lucie has got contacted by Sophie Gremaud a journalist of Heidi.news to talk about her project and the Swiss Postdoctoral Fellowship, to emphasize projects about biodiversity that got funded by the SNF. Here is the link towards the article : https://www.heidi.news/articles/sujet-fns-titre/gifts/qFKNGWztZfMpVPdrNeDF9o4tuiHmmLUQBYsCisJ5