Naohiko Ohkouchi

Determination of aquatic food‐web structure based on compound‐specific nitrogen isotopic composition of amino acids

Yoshito Chikaraishi, Nanako O. Ogawa, Yuichiro Kashiyama et al. · Limnology and Oceanography Methods · 2009 · 675 citations · Full text

Life Sciences, Biochemistry, Zoology +17

Exploring deep microbial life in coal-bearing sediment down to ~2.5 km below the ocean floor

Fumio Inagaki, Kai‐Uwe Hinrichs, Yusuke Kubo et al. · Science · 2015 · 428 citations

Life Sciences, Marine Biology, Microbiology +17

Metabolic control of nitrogen isotope composition of amino acids in macroalgae and gastropods: implications for aquatic food web studies

Yoshito Chikaraishi, Yuichiro Kashiyama, Hiroshi Kitazato et al. · Marine Ecology Progress Series · 2007 · 342 citations · Full text

Life Sciences, Marine Biology, Marine Sciences +17

Advances in the application of amino acid nitrogen isotopic analysis in ecological and biogeochemical studies

Naohiko Ohkouchi, Yoshito Chikaraishi, Hilary G. Close et al. · Organic Geochemistry · 2017 · 315 citations · Full text

Life Sciences, Biochemistry, Ecology +14

Ontong Java Plateau eruption as a trigger for the early Aptian oceanic anoxic event

M. L. G. Tejada, Katsuhiko Suzuki, Junichiro Kuroda et al. · Geology · 2009 · 301 citations

Natural Sciences, Earth Sciences, Geology +10