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Jean-Pierre Gattuso is CNRS Research Professor at the Laboratoire 'Oceanographie de Villefranche, CNRS and Universite Pierre et Marie Curie-Paris 6. His main research activity relates to the cycling of carbon and carbonate in coastal ecosystems. More recently, he focused on the response ofmarine organisms and ecosystems to ocean acidification and published his first paper on this topic in 1998. He is the Scientific Coordinator of the FP7 large-scale integrated project EPOCA (European Project on Ocean Acidification). Jean-Pierre Gattuso is co-editor of the "Guide to Best Practices inOcean Acidification Research and Data Reporting" published by the European Publications Office in 2010. He is also the Founding President of the Biogeosciences Division of the European Geosciences Union (2001-2005) and the Founding editor-in-chief of the journal Biogeosciences (2004-2009). Moreinformation is available at: http://www.obs-vlfr.fr/~gattuso and http://epoca-project.eu. Lina Hansson has a Master of Science in Biotechnology Engineering and is the project manager of EPOCA - the European Project on Ocean Acidification. She co-edited the "Guide to Best Practices in OceanAcidification Research and Data Reporting", a guidance document for the ocean acidification research community covering seawater carbonate chemistry, experimental design of perturbation experiments, measurements of CO2-sensitive processes and data reporting and usage. The guide was published in 2010and is freely available from http://www.epoca-project.eu/index.php/Home/Guide-to-OA-Research/. Lina Hansson is the co-author of several articles on the EPOCA project in the newsletters of IMBER, SOLAS, LOICZ and The Eggs and in a special issue of Oceanography magazine on ocean acidificationpublished in 2009.