Biogeosciences

Rapid Holocene deposition in the Mackenzie Trough and Barrow Canyon areas in the western Arctic Ocean

Masanobu Yamamoto, Kenta Suzuki, Masafumi Murayama, Laura Gemery, Koji Seike, Leonid Polyak, Young Jin Joe, Shoma Uchida, Minoru Kobayashi, Jonaotaro Onodera, Keiji Horikawa, Yuhji Yamamoto, Takayuki Omori, Michinobu Kuwae, Tomohisa Irino, Yutaka Y. Watanabe, Motoyo Itoh, Eiji Watanabe

Nitrogen and carbon isotopic relationships in the diet and eye lenses of chub mackerel revealed in a laboratory rearing experiment

Chisato Yoshikawa, Nanako O. Ogawa, Naoto F. Ishikawa, Michio Yoneda, Ryuji Yukami, Shin-ichi Ito, Naohiko Ohkouchi

Terrestrial vegetation and climate patterns during the dark layer depositions in the Japan Sea based on a pollen record from the KR07-12 PC-07 in the last glacial–interglacial cycle

Ryoma Hayashi, Tomohisa Irino

Carnivorous plants: unveiling trophic identity and advanced nitrogen acquisition strategies

Rong Fan, Yuko Takizawa, Prarthana S. Dharampal, Shawn A. Steffan and Yoshito Chikaraishi

Evidence of methanogenic activity associated with past fish farming in Lake Soyang, South Korea

Dong-Hun Lee, Jung-Hyun Kim, Sujin Kang, Dahae Kim, Kyung-Hoon Shin

Magnesium isotopic variation in marine fish organs

Toshihiro Yoshimura, Naoto F. Ishikawa, Nanako O. Ogawa, Soichiro Kusaka, Shigeyuki Wakaki, Tsuyoshi Ishikawa, Kazuya Nagaishi, Masanori Kaneko, Yuta Isaji, Yoshito Chikaraishi, Naohiko Ohkouchi

Distributions of heme B and its implications on Fe biogeochemistry in the eastern Indian Ocean and the western North Pacific Ocean

Yuta Isaji, Koji Sugie, Naoto F. Ishikawa, Nanako O. Ogawa, Kazuhiko Matsumoto, Chisato Yoshikawa, Hajime Obata, Makio C. Honda, Naohiko Ohkouchi

Highly effective energy transfer in the autotroph-heterotroph symbiosis: insights from compound-specific isotope analysis of amino acids

Jincen Li, Mio Shibuya, Yuko Takizawa, Yoshito Chikaraishi

A large elevation in 15N/14N of collagenous amino acids: an insight from starvation experiments of marine organisms

Hyuntae Choi, Yuko Takizawa, Nayeon Park, Yoshito Chikaraishi

Isotope analysis of birds’ eye lens provides early-life information

Emi A. Hasegawa, Jun Matsubayashi, Ichiro Tayasu, Tatsuhiko Goto, Haruka Inoue, Axel G. Rossberg, Chikage Yoshimizu, Masaru Hasegawa, Takumi Akasaka