Nadescha Zwerschke¹, John Halpin², Narissa Bax³, Mikael Sejr⁴, Thomas G Ager⁵, Jozef Rusin³ and Joseph Marlow², (1)Aarhus University, Department of Biology - Aquatic Biology, Aarhus C, Denmark, (2)Scottish Association for Marine Science, Oban, United Kingdom, (3)Pinngortitaleriffik, Greenland Institute of Natural Resources, Greenland Climate Research Centre, Nuuk, Greenland, (4)Aarhus University, Department of Bioscience, Aarhus, Denmark, (5)Aarhus University, Ecoscience, Aarhus C, Denmark