Nine laboratories from seven countries will be involved in this mesocosms experiment. The ‘Laboratoire d’Océanographie de Villefranche‘ (CNRS-UPMC-OOV) is in charge of the organization and mesocosms installation and will be in STARESO in June and July. Except for the scientists from Liège University (ULG) who are already here, the scientists from the other laboratories will join us in STARESO mid-June. They will have few days to install their material and then will take water samples every days for one month. Two italian scientists from OGS in Trieste and six greeks from HCMR in Athens will arrive from the East. One spanish PhD student from UAB in Barcelona as well as two spanish from IMEDEA (Baleares) will be with us. A team of french women will arrive from LaMP in Clermont-Ferrand to study ocean-atmosphere interaction. Three english scientists will move down from PML in UK while one american PhD student will cross the Atlantic from FSU (Florida) to join us.