Valeria Ibello¹, Marta Álvarez², Nina Bednarsek³, Polen Alemdar JR⁴, Steeve Comeau⁵, Yesim Ayar⁴, Steeve Comeau⁶, Fatima zohra Fatima Bouthir⁷, Sarah Flickinger⁸, Susana Flecha⁹, Maribel García-Ibáñez¹⁰, Michele Giani¹¹, Louisa Giannoudi¹², Abed El Rahman Hassoun¹³, Iris Eline Hendriks¹⁴, Nicolas Metzl¹⁵, Tobias Steinhoff¹⁶, Emel Kocaman Jr⁴, Evangelia Krasakopoulou Sr¹⁷, Bor Krajnc¹⁸, Vincenzo Alessandro Laudicella¹⁹, Nives Ogrinc²⁰, Rocho Santiago-Domenech²¹ and FAHKR , (1)National Research Council (CNR), Institute of Marine Sciences (ISMAR), Rome, Italy, (2)IEO Centro Oceanográfico de A Coruña, A Coruña, Spain, (3)National Institute of Biology, Ljubljana, Slovenia, (4)Middle East Technical University, Institute of Marine Sciences, Mersin, Turkey, (5)California State University, Northridge, Northridge, United States, (6)Sorbonne Université, CNRS, Laboratoire d'Océanographie de Villefranche, Villefranche-sur-mer, France, (7)Institut National de Recherche Halieutique, Casablanca, Morocco, (8)International Atomic Energy Agency (OA-ICC), Monaco, Monaco, (9)Spanish National Research Council, Ecology and Coastal Management, Puerto Real, Spain, (10)Institut de Ciències del Mar - CSIC, Barcelona, Spain, (11)National Institute of Oceanography and Applied Geophysics OGS, Trieste, Italy, (12)HELLENIC CENTRE FOR MARINE RESEARCH, Athens, Greece, (13)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (14)Mediterranean Institute for Advanced Studies, Department of Oceanography and Global Change, Esporles, Spain, (15)LOCEAN-IPSL, Paris, France, (16)GEOMAR, Kiel, Germany, (17)University of the Aegean, Department of Marine Sciences, Mytilene, Lesvos island, Greece, (18)Jožef Stefan Institute - IJS, Ljubljana, Slovenia, (19)National Institute of Oceanography and Applied Geophysics OGS, Oceanography, Trieste, Italy, (20)Institut Jožef Stefan, Ljubljana, Slovenia, (21)Centro Oceanográfico de Baleares (COB-IEO), Palma de Mallorca, Spain