Synergistic activities

Chair of the Southern Ocean - Joint Global Ocean Flux Study Synthesis Group 2000-2003

Chair of the European Network of Excellence in Marine Biogeochemistry 2001-present

Guest-editor for Marine Chemistry (1991), Journal of Marine Systems (1998),
Deep-Sea Research II (1995, 2002)

International Symposium Organiser, Southern Ocean Biogeochemistry, Brest-F (1990, 1995, 2000)
Session organizer and Chair, Ocean Science Meeting, Hawaii, Feb. 2002

Journal reviewer for Nature, Science, Limnology and Oceanography, Journal of Phycology, Journal of Marine Systems, Deep-Sea Research I and II, G3, Marine Ecology Progress Series

Proposal reviewer for NSF Biological Oceanography, Chemical Oceanography, NERC, FCAR