Naohiko Ohkouchi
Naohiko Ohkouchi
Director of Biogeogeochemistry Department, JAMSTEC
Verified email at - Homepage
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Determination of aquatic food‐web structure based on compound‐specific nitrogen isotopic composition of amino acids
Y Chikaraishi, NO Ogawa, Y Kashiyama, Y Takano, H Suga, A Tomitani, ...
Limnology and Oceanography: methods 7 (11), 740-750, 2009
Exploring deep microbial life in coal-bearing sediment down to~ 2.5 km below the ocean floor
F Inagaki, KU Hinrichs, Y Kubo, MW Bowles, VB Heuer, WL Hong, ...
Science 349 (6246), 420-424, 2015
Spatial and temporal offsets between proxy records in a sediment drift
N Ohkouchi, TI Eglinton, LD Keigwin, JM Hayes
Science 298, 1224-1227, 2002
Metabolic control of nitrogen isotope composition of amino acids in macroalgae and gastropods: implications for aquatic food web studies
Y Chikaraishi, Y Kashiyama, NO Ogawa, H Kitazato, N Ohkouchi
Marine Ecology Progress Series 342, 85-90, 2007
Ontong Java Plateau eruption as a trigger for the early Aptian oceanic anoxic event
MLG Tejada, K Suzuki, J Kuroda, R Coccioni, JJ Mahoney, N Ohkouchi, ...
Geology 37 (9), 855-858, 2009
Contemporaneous massive subaerial volcanism and late cretaceous Oceanic Anoxic Event 2
J Kuroda, NO Ogawa, M Tanimizu, MF Coffin, H Tokuyama, H Kitazato, ...
Earth and Planetary Science Letters 256 (1-2), 211-223, 2007
Advances in the application of amino acid nitrogen isotopic analysis in ecological and biogeochemical studies
N Ohkouchi, Y Chikaraishi, HG Close, B Fry, T Larsen, DJ Madigan, ...
Organic Geochemistry 113, 150-174, 2017
High‐resolution food webs based on nitrogen isotopic composition of amino acids
Y Chikaraishi, SA Steffan, NO Ogawa, NF Ishikawa, Y Sasaki, M Tsuchiya, ...
Ecology and evolution 4 (12), 2423-2449, 2014
Geographical origin of polished rice based on multiple element and stable isotope analyses
Y Suzuki, Y Chikaraishi, NO Ogawa, N Ohkouchi, T Korenaga
Food Chemistry 109 (2), 470-475, 2008
Asynchronous alkenone and foraminifera records from the Benguela Upwelling System
G Mollenhauer, TI Eglinton, N Ohkouchi, RR Schneider, PJ Müller, ...
Geochimica et cosmochimica acta 67 (12), 2157-2171, 2003
Origins of archaeal tetraether lipids in sediments: Insights from radiocarbon analysis
SR Shah, G Mollenhauer, N Ohkouchi, TI Eglinton, A Pearson
Geochimica et cosmochimica Acta 72 (18), 4577-4594, 2008
Further evaluation of the trophic level estimation based on nitrogen isotopic composition of amino acids
Y Chikaraishi, NO Ogawa, N Ohkouchi
Earth, life, and isotopes 415, 37-51, 2010
Extraterrestrial ribose and other sugars in primitive meteorites
Y Furukawa, Y Chikaraishi, N Ohkouchi, NO Ogawa, DP Glavin, ...
Proceedings of the National Academy of Sciences 116 (49), 24440-24445, 2019
15N/14N ratios of amino acids as a tool for studying terrestrial food webs: a case study of terrestrial insects (bees, wasps, and hornets)
Y Chikaraishi, NO Ogawa, H Doi, N Ohkouchi
Ecological research 26 (4), 835-844, 2011
Characterization and production and consumption processes of N2O emitted from temperate agricultural soils determined via isotopomer ratio analysis
S Toyoda, M Yano, S Nishimura, H Akiyama, A Hayakawa, K Koba, ...
Global Biogeochemical Cycles 25 (2), 2011
A primordial and reversible TCA cycle in a facultatively chemolithoautotrophic thermophile
T Nunoura, Y Chikaraishi, R Izaki, T Suwa, T Sato, T Harada, K Mori, ...
Science 359 (6375), 559-563, 2018
Microbes are trophic analogs of animals
SA Steffan, Y Chikaraishi, CR Currie, H Horn, HR Gaines-Day, JN Pauli, ...
Proceedings of the National Academy of Sciences 112 (49), 15119-15124, 2015
Different ingestion patterns of 13C-labeled bacteria and algae by deep-sea benthic foraminifera
H Nomaki, P Heinz, T Nakatsuka, M Shimanaga, N Ohkouchi, NO Ogawa, ...
Marine Ecology Progress Series 310, 95-108, 2006
Sedimentary membrane lipids recycled by deep-sea benthic archaea
Y Takano, Y Chikaraishi, NO Ogawa, H Nomaki, Y Morono, F Inagaki, ...
Nature Geoscience 3 (12), 858-861, 2010
A biomarker approach for assessing marine and terrigenous inputs to the sediments of Sea of Okhotsk for the last 27,000 years
Y Ternois, K Kawamura, L Keigwin, N Ohkouchi, T Nakatsuka
Geochimica et Cosmochimica Acta 65 (5), 791-802, 2001
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