Japan Geoscience Union Meeting 2016

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International Session (Poster)

Symbol B (Biogeosciences) » B-PT Paleontology

[B-PT03] Biomineralization and the Geochemistry of Proxies -Field ecology, Laboratory culture and Paleo

Sun. May 22, 2016 5:15 PM - 6:30 PM Poster Hall (International Exhibition Hall HALL6)

Convener:*Takashi Toyofuku(Japan Agency for Marine-Earth Science and Technology (JAMSTEC)), Hiroshi Kitazato(Institute of Biogeosciences (BioGeos),Japan Agency for Marine-Earth Science and Technology (JAMSTEC)), Jelle Bijma(Alfred-Wegener-Institut fur Polar- und Meeresforschung), Simon Redfern(University of Cambridge)

In order to reconstruct the Earth climate system, marine paleoclimatologists resort to transfer functions or geochemical proxies, which are produced or affected by organisms. The relationships used for reconstructions are generally based on field calibrations or derived from laboratory experiments. The danger of these so called empirical relationships is that they maybe valid only within the restricted parameter space of their calibration. Application of proxy relationships to very different environmental settings (e.g. high vs. low latitude or glacial vs. interglacial) requires a mechanistic understanding of these relationships. Much progress can be expected by a better understanding of the biocalcification mechanisms and the incorporation of proxy signals.
In this session we failitate contributions related to the biocalcification, calibration and validation of marine proxies from field study, laboratory culture experiment and paleo environmental reconstruction.

5:15 PM - 6:30 PM

[BPT03-P01] Culture experiments to better understand biomineralization under varying geochemical conditions
--Zombie factory in Japan: the first trial on Scandinavian foraminifera--

Laurie Marie Charrieau1, *Takashi Toyofuku5, Petra L. Schoon2, Melissa Chierici3, Jeroen Groeneveld4, Katsunori Kimoto5, Emma Kritzberg6, Karl Ljung2, Osamu Sasaki7, Helena L. Filipsson2 (1.Dept. of Geology and CEC, Lund University, 2.Dept. of Geology, Lund University, 3.Dept. of Chemistry, Göteborg University, 4.Center for Marine Environmental Sciences (MARUM), Bremen University, 5.Research Institute for Global Change, Japan Agency for Marine-Earth Science and Technology (JAMSTEC), 6.Dept. of Biology, Lund University, 7.The Tohoku University Museum)

5:15 PM - 6:30 PM

[BPT03-P04] Effects of ocean acidification on shell and somatic growth, and stable isotopes of shell carbonate of two species of abalones

*Kozue Nishida1,2, Akari Nagoshi3, Atsushi Suzuki1, Takahiro Irie3, Masahiro Hayashi4, Yuzo Yamamoto4, Ryota Suwa4, Yusuke Watanabe4, Takashi Kikkawa4, Mizuho Sato1,5, Rei Nakashima1, Yukihiro Nojiri6,7, Hodaka Kawahata3 (1.National Institute of Advanced Industrial Science and Technology, 2.The University Museum, UTokyo, 3.AORI, UTokyo, 4.Marine Ecology Research Institute, 5.Asahi Geo-Survey Co. Ltd, 6.Hirosaki University, 7.National Institute for Environmental Studies)