Valentina Tirelli¹, Elisa Putelli¹, Alessandra de Olazabal¹, Alenka Goruppi¹, Elisa Banchi¹, Diego Borme¹, Manuel Bensi¹, Vedrana Kovacevic¹, David Stankovic² and Maurizio Azzaro³, (1)National Institute of Oceanography and Applied Geophysics OGS, Trieste, Italy, (2)National Institute of Biology, Department of Organisms and Ecosystems Research, Ljubljana, Slovenia, (3)Institute of Polar Sciences, National Research Council (ISP-CNR), Messina, Italy