Anjala Gammanpila^1,2, Phyllis Lam¹, Ivo Tews¹, Eric P Achterberg³, Thomas Browning³ and Martha Gledhill², (1)University of Southampton, Faculty of Environment and Life Sciences, Southampton, United Kingdom, (2)GEOMAR Helmholtz Centre for Ocean Research Kiel, Kiel, Germany, (3)GEOMAR Helmholtz Centre for Ocean Research, Kiel, Germany