1. Dipartimento di Scienze Biologiche, Geologiche ed Ambientali; University of Bologna; Via S. Alberto 163 I-48123 Ravenna Italy
2. Hopkins Marine Station; Stanford University; Pacific Grove CA 93950 USA
3. Center for Advanced Studies of Blanes (CEAB-CSIC); Accés a la Cala S. Francesc 14 17300 Blanes (Girona) Spain
4. SeArc - Ecological Marine Consulting; 13 Namirover St. Tel Aviv 69713 Israel
5. Ocean and Earth Science, National Oceanography Centre Southampton; University of Southampton; European Way SO14 3ZH UK