Influence of iron and zinc on alkaline phosphatase and biological activity in the subtropical North Atlantic during large volume bioassay experiments.

Claire Mahaffey1, Clare Davis1, Korinna Gerda Ludia Kunde2, Neil Wyatt3, David González-Santana2, Lewis Wrightson4, Luke Johnson4, Malcolm Woodward5, Alessandro Tagliabue1 and Maeve C Lohan2, (1)University of Liverpool, Earth, Ocean and Ecological Sciences, Liverpool, United Kingdom, (2)University of Southampton, Earth and Ocean Sciences, National Oceanography Centre, Southampton, United Kingdom, (3)University of Southampton, United Kingdom, (4)University of Liverpool, Liverpool, United Kingdom, (5)Plymouth Marine Laboratory, Plyymouth, United Kingdom