1. Now at Norwegian Institute for Water Research; Bergen Norway
2. Laboratoire d'Etudes en Géophysique et Océanographie Spatiales; Toulouse France
3. Center for Microbial Oceanography: Research and Education, School of Ocean and Earth Science and Technology; University of Hawai‘i at Mānoa; Honolulu Hawaii USA
4. Bigelow Laboratory for Ocean Sciences; East Boothbay Maine USA