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Short title
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Proxies for Biogeosciences
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Oral presentation
Date/Room/Chair
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May 21 AM1 (09:00 - 10:45)
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105
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Hiroshi Kitazato
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May 21 AM2 (11:00 - 12:45)
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105
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Takashi Toyofuku
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Poster presentation
Date/Room
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May 21 (Core Time 18:15 - 19:30)
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Convention Hall
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Contact
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Hiroshi Kitazato
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Email
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kitazatoh@jamstec.go.jp
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Convener
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Hiroshi Kitazato
/ Jelle Bijma
/ Takashi Toyofuku
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Scope
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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 invite contributions related to the biocalcification, calibration and validation of marine proxies.
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Notes
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Each presentation is 15 minutes. For keeping session times, please talk within 12 minutes. Rest of times will be used for discussions.
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| Time |
Presentation No |
Title |
Author |
Presenter |
Abstract |
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Oral Presentation May 21 AM1 (09:00-10:45) 105 to the top
|
|
09:00 - 09:30
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Invited
BPO02-01
|
Calcification mechanisms in foraminifera and proxy incorporation
|
Jelle Bijma
Gernot Nehrke
Markus Raitsch
other
|
Jelle Bijma
|
English
|
|
09:30 - 09:45
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BPO02-02
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Environmental variation during foraminiferal calcification
|
Takashi Toyofuku
|
Takashi Toyofuku
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English
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09:45 - 10:00
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BPO02-03
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Distribution of intracellular pH and algal endosymbionts during chamber formation in symbiont-bearing reef foraminifers
|
Kazuhiko Fujita
YUJI, Kei
Takashi Toyofuku
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Kazuhiko Fujita
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English
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10:00 - 10:15
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BPO02-04
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Autoclave aquaria allow for high-pressure culture experiments on deep-sea benthic foraminifera
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Jutta Wollenburg
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Jutta Wollenburg
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English
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10:15 - 10:30
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BPO02-05
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Laboratory culture experiments: effect of dissolved oxygen concentration on planktonic foraminifera
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Azumi Kuroyanagi
Regine E. da Rocha
Jelle Bijma
other
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Azumi Kuroyanagi
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English
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10:30 - 10:45
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BPO02-06
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Subarctic and Arctic Emiliania huxleyi coccolith morphological responses to the growth temperatures
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Kazuko Saruwatari
Manami Satoh
Naomi Harada
other
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Kazuko Saruwatari
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English
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Oral Presentation May 21 AM2 (11:00-12:45) 105 to the top
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11:00 - 11:15
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BPO02-07
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Morphological and ecological characters of two cryptic genetic types in the radiolarian {i}Spongotrochus glacialis{/i}.
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Yoshiyuki Ishitani
Yurika Ujiie
Kiyotaka Takishita
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Yoshiyuki Ishitani
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English
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11:15 - 11:30
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BPO02-08
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The Phylogenetic Affiliations of Radiolarian-like Environmental 18S rDNA Genes from the Northern South China Sea
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Luyan Li
Endo Kazuyoshi
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Luyan Li
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English
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11:30 - 11:45
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BPO02-09
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Fossil cyanobacteria as a potential pH proxy for Phanerozoic ocean
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Fumito Shiraishi
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Fumito Shiraishi
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English
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11:45 - 12:00
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BPO02-10
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Benthic foraminifera as Quaternary palaeoclimate proxies in the New Caledonia Basin
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Briony Mamo
Glenn Brock
Elsie Gretton
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Briony Mamo
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English
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12:00 - 12:15
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BPO02-11
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Daily light cycle reconstructed by Sr/Ca in a fossil giant clam, {i}Tridacna gigas{/i}, living in 4.6 ka, southern Japan
|
Masako Hori
Kotaro Shirai
Naoto Takahata
other
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Masako Hori
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English
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12:15 - 12:30
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BPO02-12
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The cesspool preservation hypothesis as a key to preservation of exceptionally well preserved orsten-type fossils
|
Gengo Tanaka
Haruyoshi Maeda
Yoshiaki Matsushima
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Gengo Tanaka
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English
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12:30 - 12:45
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3-min talk in an oral session@(BPO02-P01/BPO02-P02/BPO02-P04/BPO02-P09/BPO02-P10)
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| Presentation No |
Title |
Author |
Presenter |
Abstract |
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Poster Presentation May 21 Core Time (18:15-19:30) Convention Hall to the top
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|
BPO02-P01
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Biocalcification and teh geochemistry of proxies
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Hiroshi Kitazato
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Hiroshi Kitazato
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English
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BPO02-P02
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Assessing the environmental impact of T?hoku tsunami off Hachinohe (NE Japan): a multidisciplinary approach
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Christophe Fontanier
Takashi Toyofuku
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Takashi Toyofuku
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English
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BPO02-P03
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Using microComputedTomography to study the impact of environmental stressors on benthic foraminifera: initial results
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Helena Filipsson
Takashi Toyofuku
Osamu Sasaki
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Takashi Toyofuku
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English
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BPO02-P04
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Ecological impact of the T?hoku Tsunami on shallow-water marine biodiversity off Hachinohe (NE JAPAN)
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Pauline Duros
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Pauline Duros
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English
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BPO02-P05
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First-order estimate of the planktic foraminifer biomass in the modern global ocean
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Aurore Movellan
Ralf Schiebel
Helene Howa
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Ralf Schiebel
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English
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BPO02-P06
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Vertical migration, nitrate uptake and denitrification: survival mechanisms of foraminifers under low DO conditions
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Karolina Koho
E Pina-Ochoa
Emmanuelle Geslin
other
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Karolina Koho
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English
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BPO02-P07
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Seawater Mg/Ca variability during the Middle Miocene Climate Optimum
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Lennart Jan de Nooijer
IEY van Dijk
Takashi Toyofuku
other
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Lennart Jan de Nooijer
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English
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BPO02-P08
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Seasonality in the Arabian Sea over glacial-interglacial cycles
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Lennart Jan de Nooijer
R Tjallingii
GJ Brummer
other
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Lennart Jan de Nooijer
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English
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BPO02-P09
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Temperature-controlled experiments for the shell microstructural formation of S. broughtonii (Mollusca: Bivalvia)
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Kozue Nishida
Atsushi Suzuki
Ryosuke Isono
other
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Kozue Nishida
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English
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BPO02-P10
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Phosphorus speciation analysis of sediments in the hypersaline Meedee Lake, off Crete Island, Eastern Mediterranean Sea
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Yurie Yamaguchi
Kosei E. Yamaguchi
Masafumi MURAYAMA
other
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Yurie Yamaguchi
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English
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