Biogeosciences(B) | ||
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Session Sub-category | Paleontology | |
Session ID | B-PT04 | |
Title | Biomineralization and the Geochemistry of Proxies | |
Short Title | Biomineralization and Proxies | |
Main Convener | Name | Takashi Toyofuku |
Affiliation | Japan Agency for Marine-Earth Science and Technology (JAMSTEC) | |
Co-Convener 1 | Name | Hiroshi Kitazato |
Affiliation | Tokyo University of Marine Science and Technology (TUMSAT) | |
Co-Convener 2 | Name | Jelle Bijma |
Affiliation | Alfred-Wegener-Institut Helmholtz-Zentrum für Polar- und Meeresforschung | |
Co-Convener 3 | Name | Kotaro Hirose |
Affiliation | Faculty of Science & Engineering, Waseda University | |
Session Language | EE | |
Scope | Biomineralization and the Geochemistry of Proxies - Biology, laboratory culture-experiments and their applications to the paleo-research - 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 may be 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 biomineralization mechanisms and the incorporation of proxy signals. In this session we facilitate contributions related to the biomineralization, calibration and validation of marine proxies from field study, laboratory culture experiment and paleo-environmental reconstruction. | |
Presentation Format | Oral and Poster presentation | |
Joint Session with | EGU | |
Co-Sponsoring Societies (Society Members) | The Palaeontological Society of Japan | |
Invited Authors |
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Time | Presentation No | Title | Presenter | Abstract |
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Oral Presentation May 20 PM1 | ||||
13:45 - 14:00 | BPT04-01 | Independent evolution between cell shape and shell materials in foraminifers | Yurika Ujiie | Abstract |
14:00 - 14:15 | BPT04-02 | Dual gene repertories for larval and adult shells reveal key molecules for molluscan shell formation | Takeshi Takeuchi | Abstract |
14:15 - 14:30 | BPT04-03 | Transgenerational exposure of the Manila clam Ruditapes philippinarum to ocean acidification: Preferential uptake of metabolic carbon facilitates shell formation | Liqiang ZHAO | Abstract |
14:30 - 14:45 | BPT04-04 | Synthesis of metal nanoparticles by glicolipids of Lactobacillus casei | Yugo Kato | Abstract |
14:45 - 15:00 | BPT04-05 | Is iron toxic to cyanobacteria? Implications for biomineralization in ancient ferrous oceans. | Shawn E McGlynn | Abstract |
15:00 - 15:15 | BPT04-06 | Paleoenvironmental reconstruction using resistant macromolecules in the Cretaceous terrestrial plant fossils and kerogens | Ken Sawada | Abstract |
Oral Presentation May 20 PM2 | ||||
15:30 - 15:45 | BPT04-07 | Coral calcification in temperate region and the role of dissolved inorganic carbon (DIC) and pH in the calcifying fluid | Kohki Sowa | Abstract |
15:45 - 16:00 | BPT04-08 | Boron isotope-based seasonal paleo-pH reconstruction for the Southeast Atlantic – Multispecies approach using habitat preference of planktonic foraminifera | Jelle Bijma | Abstract |
16:00 - 16:25 | BPT04-09 | Mathematical models for the isotopic composition of foraminiferal calcium carbonate | Wolf-Gladrow Dieter | Abstract |
16:25 - 16:50 | BPT04-10 | Biosilicification drives a decline of dissolved Si in the oceans through geologic time | Daniel J Conley | Abstract |
Presentation No | Title | Presenter | Abstract |
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Poster Presentation May 20 Core Time | |||
BPT04-P01 | Discussion in terms of relations between test Bauplan and ecology of foraminifer | Hiroshi Kitazato | Abstract |
BPT04-P02 | Estimation of the practical partition coefficients of rare earth elements between limestone and seawater: discussion and application | Kotaro Toyama | Abstract |
BPT04-P03 | Temporal size change of the planktonic foraminiferal species Paragloborotalia siakensis (LeRoy). | Takuma Suzuki | Abstract |
BPT04-P04 | Variation of geochemical tracers in coral skeletons (Acropora digitifera vs Porites australiensis) based on the temperature controlled culture experiment | Mayuri Inoue | Abstract |
BPT04-P05 | Ultra-microstructures of foraminiferal calcification observed using focused ion beam microscopy | Yukiko Nagai | Abstract |
BPT04-P06 | Test density of Ammonia sp. under variable pH | Takashi Toyofuku | Abstract |