Temperature-enhanced effects of iron on Southern Ocean phytoplankton
Charlotte Eich,Mathijs van Manen,J. Scott P. McCain,Loay J. Jabre,Willem H. van de Poll,Jinyoung Jung,Sven B. E. H. Pont,Hung-An Tian,Indah Ardiningsih,Gert-Jan Reichart,Erin M. Bertrand,Corina P. D. Brussaard,and Rob Middag
Department of Marine Microbiology and Biogeochemistry, Royal Netherlands Institute for Sea Research (NIOZ), 1797 SZ 't Horntje, the Netherlands
Institute for Biodiversity and Ecosystem Dynamics (IBED), University of Amsterdam, 1098 XH Amsterdam, the Netherlands
Mathijs van Manen
Department of Ocean Systems, Royal Netherlands Institute for Sea Research (NIOZ), 1797 SZ 't Horntje, the Netherlands
J. Scott P. McCain
Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada
current address: Department of Biology and Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology, Cambridge, MA 02142, USA
Department of Biology, Dalhousie University, Halifax, Nova Scotia, Canada
current address: Marine Chemistry and Geochemistry Department, Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA
Willem H. van de Poll
CIO Oceans, Energy and Sustainability Research Institute Groningen, Faculty of Science and Engineering, University of Groningen, Nijenborgh 7, 9747 AG Groningen, the Netherlands
Department of Ocean Systems, Royal Netherlands Institute for Sea Research (NIOZ), 1797 SZ 't Horntje, the Netherlands
Centre for Isotope Research, CIO Oceans, Energy and Sustainability Research Institute Groningen, Faculty of Science and Engineering, University of Groningen, 9712 CP Groningen, the Netherlands
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Phytoplankton growth in the Southern Ocean (SO) is often limited by low iron (Fe) concentrations. Sea surface warming impacts Fe availability and can affect phytoplankton growth. We used shipboard Fe clean incubations to test how changes in Fe and temperature affect SO phytoplankton. Their abundances usually increased with Fe addition and temperature increase, with Fe being the major factor. These findings imply potential shifts in ecosystem structure, impacting food webs and elemental cycling.
Phytoplankton growth in the Southern Ocean (SO) is often limited by low iron (Fe)...