Mon. May 26, 2025 1:45 PM - 3:15 PM 301A (International Conference Hall, Makuhari Messe)

[E] Oral
| B (Biogeosciences )
| B-PT Paleontology

[B-PT03] Biomineralization, Geochemistry, and Environmental Studies

2:15 PM - 2:30 PM

[BPT03-03] Search for diatom biomarkers by lipid analysis of diatom species from North Pacific Ocean

*Kotaro Hoshi¹, Akira Kuwata², Ken Sawada¹ (1.Hokkaido University, 2.Fisheries Technology Institute, Japan Fisheries Research and Education Agency)

Tue. May 27, 2025 1:45 PM - 3:15 PM 102 (International Conference Hall, Makuhari Messe)

[J] Oral
| M (Multidisciplinary and Interdisciplinary)
| M-IS Intersection

[M-IS22] Biogeochemistry

1:45 PM - 2:00 PM

[MIS22-01] Biomarker analysis of suspended particles in sea surface layers of the northwestern Pacific off the eastern Hokkaido to the Sanriku coast

*Sena Tsuneda¹, Kotaro Hoshi¹, Akira Kuwata², Hiroshi Kuroda³, Ken Sawada^1,4 (1.Department of Natural History Sciences, Graduate School of Science, Hokkaido University, 2.Tohoku Fisheries Technology Institute, Japan Fisheries Research and Education Agency, 3.Hokkaido Fisheries Technology Institute, Japan Fisheries Research and Education Agency, 4.Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University)

Tue. May 27, 2025 5:15 PM - 7:15 PM Poster Hall (Exhibition Hall 7&8, Makuhari Messe)

[J] Poster
| M (Multidisciplinary and Interdisciplinary)
| M-GI General Geosciences, Information Geosciences & Simulations

[M-GI28] Drilling Earth Science

5:15 PM - 7:15 PM

[MGI28-P02] Reconstruction of marine primary productivity and production by analysis of sediment cores: Consideration for the degradation and preservation effects

*Ken Sawada^1,2, Kotaro Hoshi² (1.Department of Earth and Planetary Sciences, Faculty of Science, Hokkaido University, 2.Department of Natural History Sciences, Graduate School of Science, Hokkaido University)