The state of research on the coccolithophorids, in Europe and Japan

      Workshop on 16th - 17th November 1999 at National Institute for Environmental Studies (NIES) Tsukuba, JAPAN

      Organisers: Masanobu Kawachi, Mary-Hélène Noel, NIES, Japan

      CODENET Participants: Jeremy Young, Ian Probert, Markus Geisen, Patrizia Ziveri.

      Detailed information - from Mary-Hélène A word of explanation: The Tsukuba research group, including participants form NIES and Tsukuba university is the main centee of research on coccolithophorid biology in Japan . Two participants from this group, Masanobu Kawachi, Mary-Hélène Noel accepted an invitation to attend the CODENET Blagnac workshop in September 199 and invited us to present CODENET results to a wider Japanese audience. The objectives of the workshop and subsequent visit are (1) to exchange research results between CODENET and Japanese workers in the field (2) to stimulate collaborations among Japanese workers with different interests in coccolithophorids, as is done in the CODENET project. 93) To explore possibilities for formal and informal collaboration between European and Japanese groups in the future (both short and long term).

      After the workshop all four CODENET participants will stay in Tsukuba for the rest of the week. Subsequently Ian Probert and Markus Geisen will be taken on a field trip to Miyake Island (W of Japan)for phycological fieldwork, whilst Jeremy Young and Patrizia Ziveri visit the geological/oceanographic research groups of Hisatake Okada (Sapporo) and Ric Jordan (Yamagata).

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      TUESDAY NOVEMBER 16
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      13:30 Opening of the workshop
      13:45 Self introduction
      14:10 Jeremy Young The Natural History Museum, UK
      European taxon-based multidisciplinary research on coccolithophorids, EHUX, GEM and CODENET
      14:40 Ian Probert Univ. Caen, France
      Haptophyte phylogeny - life beyond coccoliths
      15:10 Masanobu Kawachi National Institute for Environmental Studies
      Light microscopic observations of some living coccolithophorids
      15:30 Coffee break
      16:00 Masanobu Yamamoto Geological Survey of Japan
      Lipids in some living coccolithophorids, and their physiological changes during culture experiments
      16:20 Megumi Okazaki Department of Science Education, Tokyo Gakugei University
      Crystal growth in coccolith formation of Pleurochrysis carterae
      16:40 Kyoko Hagino Hokkaido Univ., Graduate School of Sciences, Div. of Earth and Planetary Science
      Environmental control on the spatial distribution of coccolithophore assemblages in the Equatorial and Subequatorial Pacific Ocean
      17:00 Kozo Takahashi Department of Earth & Planetary Sciences, Graduate School of Science, Kyushu University
      Particle flux and coccolithophores with special references to Coccolithus pelagicus and Emilinania huxleyi
      17:20 Summary and discussion
      18:30 Opening party SUN restaurant (18:30-21:00)
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      WEDNESDAY NOVEMBER 17
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      09:00 Markus Geisen The Natural History Museum, UK
      Microevolution and Species level Variation - The CODENET Approach
      09:30 Ric Jordan Yamagata University
      The taxonomy and ecology of haptophyte algae: targets for the next decade
      10:00 Patrizia Ziveri Free Univ., Amsterdam, Netherlands
      Coccolithophorid ecology
      10:30 Coffee break
      11:00 Yoshihiro Shiraiwa Institute of Biological Sciences, University of Tsukuba
      Analysis of the requirement of selenium for the growth of coccolithophorids
      11:20 Jeremy Young The Natural History Museum, UK
      Coccolith morphology - reflections on biomineralisation and functional interpretations
      12:00 Lunch Lunch box at the workshop place
      13:00 Noriaki Ozaki The University of Tokyo
      Characterization of acidic polysaccharides from coccoliths of Pleurochrysis caterae (poster)
      13:10 Akiko Danbara, Koji Iwamoto and Yoshihiro Shiraiwa* Institute of Biological Sciences, University of Tsukuba
      Characterization of highly oxygen-sensitive photosynthesis in marine bloom-forming calcifying algae, coccolithophorids (poster)
      13:20 Ken Sawada* and Yoshihiro Shiraiwa Department of Chemistry, University of Tsukuba
      Study on biomarkers in cell membrane of Emiliania huxleyi with reference to the biogeochemical indicator (poster)
      13:30 Mary-Helene Noel National Institute for Environmental Studies
      Scattering proprieties of Emiliania huxleyi with the cell growth (poster)
      14:00 Summary and discussion
      15:30 Coffee break
      16:00 Tour of the facility of NIES microalagae collection
      18:00 Closing party Namiki Soba (18:00-21:00)

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