航海番号 Number

KS-22-15

船舶名 Vessel

新青丸 Shinsei-Maru

出港 Departure

2022/10/16 横須賀 Yokosuka

入港 Arrival

2022/10/27 鹿児島 Kagoshima

海域 Area

東シナ海黒潮周辺海域
Kuroshio region in the East China Sea

航海情報 Cruise information

航海題目 Title

凝集体生命圏: ナノ・ピコプランクトンを主体とした亜熱帯貧栄養海域における生物炭素ポンプの駆動機構の解明
Aggregate biosphere: Elucidation of unknown control mechanism of biological carbon pump in the oligotrophic subtropical water in the western North Pacific

研究代表者 Principal Investigator

福田 秀樹 (東京大学・大気海洋研究所)
FUKUDA, Hideki (AORI, The University of Tokyo)

調査概要 Research Summary

1. 溶存態・粒子態物質の元素分析およびDNAを用いた生物相の解析

2. 懸濁態粒子および沈降粒子の元素分析およびDNAを用いた生物相の解析

3. 浮遊生物の胃内容物の解析

報告書・出版物 Reports and Publication

• JAMSTEC航海情報カタログ KS-22-15
• Sugai, M., Ushio, J. Hirai, M. Hasegawa-Takano, T. Fujiwara, M. Takada, K. Mori, H. Fukuda, H. Saito, K. Hamasaki, S. Hyodo, and S. Yoshizawa, 2025: Different structuring factors and distribution patterns of marine prokaryotic and eukaryotic communities in the subtropical Kuroshio region. Frontiers in Marine Science
• Ahmed, S.I., Z. Yu, T. Higuchi, J. Inoue, M.K.-S. Wong, X. Wang, Y. Lin, S. Itoh, K. Komatsu, E. Tsutsumi, H. Fukuda, S. Hyodo, J. Morrongiello, E.M. Bendif, and S. Ito, 2026: Patterns in marine surface fish biodiversity and community composition detected by different eDNA metabarcoding sampling methods. Journal of Oceanography
• Lin, Y., Z. Yu, S.I. Ahmed, X. Wang, T. Higuchi, I. Yabe, M.K.-S. Wong, S. Itoh, E. Tsutsumi, H. Saito, K. Komatsu, A. Tsuda, Y. Kawaguchi, E. Oka, H. Obata, Y. Minegishi, H. Fukuda, J. Inoue, S. Hyodo, and S. Ito, 2026: Opposite latitudinal biodiversity gradient in the open ocean generated by transition zones: Insights from fish distribution in the Northwest Pacific. Progress in Oceanography