Mason Heberling, PhD student, at the University of Suracuse (NY, USA), and Jason Friedley, Professor at the University of Syracuse (NY,USA), will be welcomed into the Unit from June, 8th to 24th to work on a collaborative project about the comparative ecophysiology of two woody species:

• Prunus serotina, native in the U.S., invasive in Europe
• Rhamnus cathartica, native in Europe, invasive in the U.S.