Address 4 place Jussieu Campus Pierre et Marie Curie, Barre 44-45, 4è étage CC237 75005 PARIS France TROPECOS members from iEES Marie ARNAUDResearch Scientist, IRD Philippe BIRONResearch engineer, Sorbonne Université (Paris) Axel FELBACQAssistant engineer, CNRS Dominique LAMYAssociate Professor Sorbonne Université (Paris) Cornelia RUMPELCNRS research director (Paris)