1. National Institute of Oceanography and Experimental Geophysics (OGS); Trieste 34151 Italy
2. Department of Biology; University of Firenze; Firenze 50121 Italy
3. Istituto Superiore per la Protezione e la Ricerca Ambientale; Chioggia 30015 Italy
4. Agenzia Regionale per la Protezione dell'Ambiente dell'Emilia Romagna; Cesenatico 47042 Italy
5. Institut “Ruđer Bošković”; Center for Marine Research; Rovinj 52210 Croatia
6. Department of Life Sciences; University of Trieste; Trieste 34127 Italy