Dr Robert O. Fournier, Professor, Department of Oceanography, Dalhousie University, Halifax, Nova Scotia, Canada B3H 3J5; Phone: (902) 494-3666; Fax: 902-494-3877; Email:
: (902) 494-3877; courriel : Robert.Fournier@Dal.Ca M. Walter Couto, Chef de projet (Uruguay), Pza.