Tanguy Soulié¹, Francesca Vidussi¹, Jukka Seppälä², Maiju Lehtiniemi³, Sébastien Mas⁴, David Parin⁴, Sami Kielosto², Pasi Ylöstalo², Iordanis Magiopoulos⁵, Paraskevi Pitta⁵, Kaisa Kraft², Noora Haavisto², Annaliina Skytta², Anne-Mari Lehto², Siru Tasala², Stella A. Berger⁶, Jens C. Nejstgaard⁶, Timo Tamminen² and Behzad Mostajir¹, (1)MARBEC (Marine Biodiversity, Exploitation and Conservation), Univ Montpellier, CNRS, Ifremer, IRD, Montpellier, France, (2)Finnish Environment Institute, Helsinki, Finland, (3)Finnish Environment Institute (Syke), Helsinki, Finland, (4)MEDIMEER (MEDIterranean platform for Marine Ecosystems Experimental Research), OSU OREME, CNRS, Univ Montpellier, IRD, INRAE, Sète, France, (5)Institute of Oceanography, Hellenic Centre for Marine Research, Heraklion, Greece, (6)Department of Plankton and Microbial Ecology, Leibniz Institute of Freshwater Ecology and Inland Fisheries (IGB), Stechlin, Germany