Tropic position of symbiont-bearing benthic foraminifers using nitrogen isotopic composition of amino acids

Ayumi Maeda

Presentation information

[E] Oral

B (Biogeosciences ) » B-PT Paleontology

[B-PT02] Biotic History

Sun. May 24, 2026 3:30 PM - 5:00 PM Exhibition Hall Special Setting (4) (Exhibition Hall 7&8, Makuhari Messe)

Chairperson:Motoyama Isao(Faculty of Science, Yamagata University), Ubukata Takao(Division of Geology & Mineralogy, Department of Earth & Planetary Sciences, Kyoto University), Moriya Kazuyoshi(Department of Earth Sciences, Faculty of Education and Integrated Arts and Sciences, Waseda University)

3:30 PM - 3:45 PM

[BPT02-01] Tropic position of symbiont-bearing benthic foraminifers using nitrogen isotopic composition of amino acids

★Invited Papers

*Ayumi Maeda¹, Yuichi Naito², Masashi Tsuchiya³, Yoshito Chikaraishi⁴, Kazuhiko Fujita⁵, Naohiko Ohkouchi⁶, Hodaka Kawahata¹ (1. Atmosphere and Ocean Research Institute, The University of Tokyo, 2. Central Research Institute of Electric Power Industry, 3. Fukui Prefectural University, 4. Institute of Low Temperature Science, Hokkaido University, 5. University of the Ryukyus, 6. Japan Agency for Marine-Earth Science and Technology)

Keywords:foraminifera, trophic position, symbiotic algae, amino acid, nitrogen isotopic composition