Publications by authors named "Toyoho Ishimura"

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Reconstructing the experienced temperature during the larval oceanic migration of anguillid eels from otolith stable oxygen isotopes.
Mari Kuroki, Shunsuke Hayasaka, Kozue Nishida, Toyoho Ishimura, Akihiro Okamura

Sci Rep· January 2025

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Fisheries shocks provide an opportunity to reveal multiple recruitment sources of sardine in the Sea of Japan.
Tatsuya Sakamoto, Motomitsu Takahashi, Kotaro Shirai, Tomoya Aono, Toyoho Ishimura

Sci Rep· September 2024

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Anaerobic methane-oxidizing activity in a deep underground borehole dominantly colonized by Ca. Methanoperedenaceae.
Hiroki Nishimura, Mariko Kouduka, Akari Fukuda, Toyoho Ishimura, Yuki Amano

Environ Microbiol Rep· June 2023

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Extracting daily isotopic records on fish otolith (Trachurus japonicus) by combining micro-milling and micro-scale isotopic analysis (MICAL-CF-IRMS).
Daichi Muto, Toyoho Ishimura, Motomitsu Takahashi, Kozue Nishida

Rapid Commun Mass Spectrom· October 2022

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Contrasting life-history responses to climate variability in eastern and western North Pacific sardine populations.
Tatsuya Sakamoto, Motomitsu Takahashi, Ming-Tsung Chung, Ryan R Rykaczewski, Kosei Komatsu, Toyoho Ishimura

Nat Commun· October 2022

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Advanced approach to analyzing calcareous protists for present and past pelagic ecology: Comprehensive analysis of 3D-morphology, stable isotopes, and genes of planktic foraminifers.
Yurika Ujiié, Katsunori Kimoto, Toyoho Ishimura

PLoS One· December 2019

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Ecological and genomic profiling of anaerobic methane-oxidizing archaea in a deep granitic environment.
Kohei Ino, Alex W Hernsdorf, Uta Konno, Mariko Kouduka, Katsunori Yanagawa, Toyoho Ishimura

ISME J· January 2018

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Grain-scale stable carbon and oxygen isotopic variations of the international reference calcite, IAEA-603.
Kozue Nishida, Toyoho Ishimura

Rapid Commun Mass Spectrom· November 2017

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Formation and Geological Sequestration of Uranium Nanoparticles in Deep Granitic Aquifer.
Yohey Suzuki, Hiroki Mukai, Toyoho Ishimura, Takaomi D Yokoyama, Shuhei Sakata

Sci Rep· March 2016

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Stable hydrogen isotopic analysis of nanomolar molecular hydrogen by automatic multi-step gas chromatographic separation.
Daisuke D Komatsu, Urumu Tsunogai, Kanae Kamimura, Uta Konno, Toyoho Ishimura

Rapid Commun Mass Spectrom· November 2011

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Geomicrobiological properties of ultra-deep granitic groundwater from the Mizunami Underground Research Laboratory (MIU), central Japan.
Akari Fukuda, Hiroki Hagiwara, Toyoho Ishimura, Mariko Kouduka, Seiichiro Ioka

Microb Ecol· July 2010

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Grain-scale heterogeneities in the stable carbon and oxygen isotopic compositions of the international standard calcite materials (NBS 19, NBS 18, IAEA-CO-1, and IAEA-CO-8).
Toyoho Ishimura, Urumu Tsunogai, Fumiko Nakagawa

Rapid Commun Mass Spectrom· June 2008

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Determination of the 15N/14N, 17O/16O, and 18O/16O ratios of nitrous oxide by using continuous-flow isotope-ratio mass spectrometry.
Daisuke D Komatsu, Toyoho Ishimura, Fumiko Nakagawa, Urumu Tsunogai

Rapid Commun Mass Spectrom· May 2008

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Stable carbon and oxygen isotopic determination of sub-microgram quantities of CaCO3 to analyze individual foraminiferal shells.
Toyoho Ishimura, Urumu Tsunogai, Toshitaka Gamo

Rapid Commun Mass Spectrom· December 2004

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