Paul J Treguer, University of Western Brittany, Brest, France, Jill Sutton, University of Western Brittany, Institut universitaire d'études marines, Plouzané, France, Stephen B Baines, Stony Brook University, Stony Brook, NY, United States, Mark A Brzezinski, University of California, Marine Science Institute, Santa Barbara, CA, United States, Matthew A Charette, Woods Hole Oceanographic Institution, Marine Chemistry & Geochemistry, Woods Hole, MA, United States, Timothy DeVries, University of California, Santa Barabara, Earth Research Institute and Department of Geography, Santa Barabara, United States, Stephanie Dutkiewicz, Massachusetts Institute of Technology, Department of Earth, Atmospheric and Planetary Sciences, Cambridge, MA, United States, Claudia Ehlert, Max Planck Institute for Marine Microbiology, Bremen, Germany, Jon Hawkings, University of Bristol, Bristol, BS8, United Kingdom, Aude Leynaert, CNRS, LEMAR IUEM, Plouzané, France, Su Mei Liu, Ocean University of China, Qingdao, China, Natalia Llopis Monferrer, University of Western Brittany, Institut Universitaire Européen de la Mer, Plouzané, France, Manuel Maldonado, Centro de Estudios Avanzados de Blanes, Department of Marine Ecology, Blanes, Spain, Shaily Rahman, University of Florida, Geological Sciences, Ft Walton Beach, FL, United States, Lihua Ran, The second institute of Ocanography, State Oceanic Adiministration, HANGZHOU, China and Olivier Rouxel, Ifremer, Plouzané, France