Andriana Koutsandrea¹, Henna Yliluikki², Soultana Zervoudaki³, Eleni Koulouvari³ and Jonna Engström-Öst⁴, (1)Åbo Akademi University, Enviromental and Marine Biology, Turku, Finland, (2)Novia University of Applied Sciences, University of Turku, Tammisaari, Finland, (3)Hellenic Centre for Marine Research, Oceanography, Athens, Greece, (4)Novia University of Applied Sciences, Tammisaari, Finland