航海番号 Number

KH-23-5

船舶名 Vessel

白鳳丸 Hakuho-Maru

出港 Departure

2023/09/12 東京 Tokyo

入港 Arrival

2023/10/02 東京 Tokyo

海域 Area

南部千島海溝および日本海溝の周辺海域
Areas around the southern Kuril Trench and the Japan Trench

航海情報 Cruise information

航海題目 Title

北西太平洋の海溝域に生息する底生生物の生物相と進化過程の網羅的解明
Fauna and evolution of benthic organisms inhabiting trench areas in the northwestern Pacific

研究代表者 Principal Investigator

小島 茂明 (東京大学・大学院新領域創成科学研究科)
KOJIMA, Shigeaki (Graduate School of Frontier Sciences The University of Tokyo)

調査概要 Research Summary

1. 深海底生生物の系統分類学、系統地理学的研究

2. 襟裳海山周辺における海洋環境

3. 深海底堆積物中微生物の探索

4. 千島海溝の歴史地震の解明

報告書・出版物 Reports and Publication

• JAMSTEC航海情報カタログ KH-23-5
• Brandt, A., F. Bergmeier, A. Casaubon, Y. Kano, A. Kelch, H. Knauber, K. Okamoto, M. Ohta, S. Shiraki, D. Yamamoto, and S. Kojima, 2024: Benthos meets plankton: isopods sampled in the Japan Trench by means of plankton nets fixed to large bottom trawls. Marine Biodiversity
• Kakui, K. and A. Tsuyuki, 2024: Flatworm cocoons in the abyss: same plan under pressure. Biology letters
• Kakui, K., S. Shiraki, and N. Hookabe, 2024: A new parasitic barnacle (Crustacea, Cirripedia, Rhizocephala, Mycetomorpha) from the abyssal zone in the northwestern Pacific. Zoosystematics and Evolution
• Yamamoto, D., T. Yahagi, and S. Kojima, 2024: Bathymetric distribution of abyssal and hadal amphipod families and genera in the Japan Trench and the southernmost Kuril-Kamchatka Trench. Deep Sea Research Part I: Oceanographic Research Papers
• Ohta, M., K. Kakui, S. Kojima, and M. Shimomura, 2025: Integrative taxonomy of Janirella (Isopoda: Asellota: Janirellidae), with descriptions of two new species from the Japan Trench and an amended classification of the genus. Biologia
• Yamamoto, D., T. Takano and S. Kojima, 2025: Morphology and phylogenetic relationships of cryptoniscus larvae (Epicaridea, Isopoda, Cryptoniscoidea) parasitising amphipods from the abyssal and hadal depths of the Japan Trench. Marine Biodiversity
• Ueno, T. ,D. Yanagimoto, and S. Fujio, 2026: Bottom-Trapped Topographic Rossby Waves Induced by a Warm-Core Ring on the Offshore Slope of a Trench in the Western North Pacific Ocean. Journal of Physical Oceanography

データ情報 Data Information