@article{CTT100819243,
  author = {Breider, F. and C. Yoshikawa and A. Makabe and S. Toyoda and M. Wakita and Y. Matsui and S. Kawagucci and T. Fujiki and N. Harada and N. Yoshida},
  title = {Response of N2O production rate to ocean acidification in the western North Pacific},
  journal = {Nature Climate Change},
  year = 2019,
}

@article{CTT100705509,
  author = {Takuro Nunoura and Yoshihiro Takaki and Miho Hirai and Shigeru Shimamura and Akiko Makabe and Osamu Koide and Tohru Kikuchi and Junichi Miyazaki and Keisuke Koba and Naohiro Yoshida and Michinari Sunamura and Ken Takai},
  title = {Hadal biosphere: insight into the microbial ecosystem in the deepest ocean on Earth},
  journal = {},
  year = 2015,
}

@article{CTT100668292,
  author = {Midori Yano and Sakae Toyoda and T. Tokida and K. Hayashi and T. Hasegara and A. Makabe and Keisuke Koba},
  title = {Isotopomer analysis of production, consumption and soil-to-atmosphere emission processes of N2O at the beginning of paddy field irrigation},
  journal = {Soil Biology & Biochemistry},
  year = 2013,
}

@article{CTT100656994,
  author = {M. Nishizawa and Kisuke Koba and M. Kaneko and S. Hirao and J. Ishibashi and T. Yamanaka and T. Shibuya and T. Kikuchi and M. Hirai and J. Miyazaki and T. Nunoura and K. Takai and M. Nishizawa and Keisuke Koba and Akiko Makabe and Naohiro Yoshida and M. Kaneko and S. Hirao and J. Ishibashi and T. Yamanaka and T. Shibuya and T. Kikuchi and M. Hirai and J. Miyazaki and T. Nunoura and K. Takai},
  title = {Nitrification-driven forms of nitrogen metabolism in microbial mat communities thriving along an ammonium-enriched subsurface geothermal stream.},
  journal = {Geochimica et Cosmochimica Acta},
  year = 2013,
}

@article{CTT100668295,
  author = {Shinsuke Kawagucci and Yuichiro Ueno and Ken Takai and Tomohiro Toki and Michihiro Ito and Kazuhiro Inoue and Akiko Makabe and Yasuyuki Muramatsu and Naoto Takahata and Yuji Sano and Taku Narita and Genta Teranishi and Hajime Obata and Satoshi Nakagawa and Takuro Nunoura and Toshitaka Gamo},
  title = {Geochemical origin of hydrothermal fluid methane in sediment-associated fields and its relevance to the geographical distribution of whole hydrothermal circulation},
  journal = {Chemical Geology},
  year = 2013,
}

@article{CTT100668285,
  author = {Nobuhito Ohte and Ichiro Tayasu and Ayato Kohzu and Chikage Yoshimizu and Ken'ichi Osaka and Akiko Makabe and Keisuke Koba and Naohiro Yoshida and Toshi Nagata},
  title = {Correction to “Spatial distribution of nitrate sources of rivers in the Lake Biwa watershed, Japan: Controlling factors revealed by nitrogen and oxygen isotope values”},
  journal = {Water Resouces Research},
  year = 2012,
}

@article{CTT100644455,
  author = {Nakagawa Mayuko and Yuichiro Ueno and Shohei Hattori and Maki Umemura and Akihiko Yagi and Ken Takai and Keisuke Koba and Yuji Sasaki and Akiko Makabe and Naohiro Yoshida},
  title = {Seasonal change in microbial sulfur cycling in monomictic Lake Fukami-ike, Japan},
  journal = {Limnology & Oceanography},
  year = 2012,
}

@article{CTT100656972,
  author = {Shinsuke Kawagucci and Yuichiro Ueno and Ken Takai and Tomohiro Toki and Michihiro Ito and Kazuhiro Inoue and Akiko Makabe and Yasuyuki Muramatsu and Naoto Takahata and Yuji Sano and Taku Narita and Genta Teranishi and Hajime Obata and Satoshi Nakagawa and Takuro Nunoura and Toshitaka Gamo},
  title = {Geochemical origin of hydrothermal fluid methane in sediment-associated fields and its relevance to the geographical distribution of whole hydrothermal circulation},
  journal = {Chemical Geology},
  year = 2012,
}

@article{CTT100633712,
  author = {Sakae Toyoda and Midori Yano and S. Nishimura and H. Akiyama and A. Hayakawa and Keisuke Koba and S. Sudo and K. Yagi and Akiko Makabe and Yoshifumi Tobari and N. O. Ogawa and Nao Ohkouch and Keita Yamada and Naohiro Yoshida},
  title = {Characterization and production and consumption processes of N2O emitted from temperate agricultural aoils determined via isotopomer ratio analysis},
  journal = {Global Biogeochem. Cycles},
  year = 2011,
}

@article{CTT100668284,
  author = {Shinsuke Kawagucci and Hitoshi Chiba and Jun-ichiro Ishibashi and Toshiro Yamanaka and Tomohiro Toki and Yasuyuki Muramatsu and Yuichiro Ueno and Akiko Makabe and Kazuhiro Inoue and Naohiro Yoshida and Satoshi Nakagawa and Takuro Nunoura and Ken Takai and Naoto Takahata and Yuji Sano and Taku Narita and Genta Teranishi and Hajime Obata and Toshitaka Gamo},
  title = {Hydrothermal fluid geochemistry at the Iheya North field in the mid-Okinawa Trough: Implication for origin of methane in subseafloor fluid circulation systems.},
  journal = {Geochem. J.},
  year = 2011,
}

@article{CTT100644467,
  author = {Masayuki Itoh and Yasuhiro Takemon and Akiko Makabe and Chikage Yoshimizu and Ayato Kohzu and Nobuhito Ohte and Dashzeveg Tumurskh and Ichiro Tayasu and Naohiro Yoshida and Toshi Nagata},
  title = {Evaluation of wastewater nitrogen transformation in a natural wetland (Ulaanbaatar, Mongolia) using dual-isotope analysis of nitrate.},
  journal = {Science of the Total Environment},
  year = 2011,
}

@article{CTT100633733,
  author = {Sasaki, Y. and Keisuke Koba and M. Yamamoto and Akiko Makabe and Yuichiro Ueno and Mayuko Nakagawa and Sakae Toyoda and Naohiro Yoshida and M. Yoh},
  title = {Biogeochemistry of nitrous oxide in Lake Kizaki, Japan, elucidated by nitrous oxide isotopomer analysis},
  journal = {J. Geophys. Res.},
  year = 2011,
}

@article{CTT100601103,
  author = {Nobuhito Ohte and Ichiro Tayasu and Ayato Kohzu and Chikage Yoshimizu and Kenichi Osaka and Akiko Makabe and Keisuke Koba and Naohiro Yoshida and Toshi Nagata},
  title = {Spatial distribution of nitrate sources of rivers in the Lake Biwa watershed, Japan: Controlling factors revealed by nitrogen and oxygen isotope values},
  journal = {Water Resources Research},
  year = 2010,
}

@inproceedings{CTT100837506,
  author = {吉川知里 and 眞壁明子 and 松井洋平 and 豊田栄 and 本多牧生 and 横川太一 and 布浦拓郎 and 大河内直彦},
  title = {東部インド洋における硝酸の窒素酸素同位体比},
  booktitle = {},
  year = 2020,
}

@inproceedings{CTT100835678,
  author = {Sakae Toyoda and Kotaro Terajima and Naohiro Yoshida and Chisato Yoshikawa and Akiko Makabe and Fuminori Hashihama and Hiroshi Ogawa},
  title = {Distribution and isotopic composition of N2O in the eastern Indian Ocean},
  booktitle = {},
  year = 2020,
}

@inproceedings{CTT100835675,
  author = {Chisato Yoshikawa and Akiko Makabe and Yohei Matsui and Sakae Toyoda and Makio Honda and Naohiko Ohkouchi},
  title = {Nitrate isotopes in the Bay of Bengal},
  booktitle = {},
  year = 2020,
}

@inproceedings{CTT100747995,
  author = {Toyoda.S and Matsushima.S and Makabe. A and Nunoura.T and Yoshikawa.C and  Yoshida.N},
  title = {Isotopic Analyses of Dissovled N2O and Nitrite in the Subarctic North Pacific},
  booktitle = {},
  year = 2016,
}

@inproceedings{CTT100747776,
  author = {Thuan and Nguyen Cong and Keisuke Koba and Midori Yano and Akiko Makabe and Co Thi Kinh and Akihiko Terada and Sakae Toyoda and Naohiro Yoshida and Yotaro Tanaka and Masanori Katsuyama and Muneoki Yoh},
  title = {Integrated approaches of N2/Ar measurement, stable isotopic and molecular techniques and investigating dissolved organic matter characteristics to evidence the denitrification in river},
  booktitle = {},
  year = 2016,
}

@inproceedings{CTT100726638,
  author = {M. Yano and S. Toyoda and A. Makabe and N. Yoshida},
  title = {Effect of flood irrigation on production and soil-to-atmosphere emission processes of nitrous oxide from paddy fields},
  booktitle = {},
  year = 2014,
}

@inproceedings{CTT100786686,
  author = {Midori Yano and Sakae Toyoda and Takeshi Tokida and Kentaro Hayashi and Toshihiro Hasegawa and Hirohumi Nakamura and Akiko Makabe and Keisuke Koba and Naohiro Yoshida},
  title = {Large contributions of nitrification and fungal denitrification in N2O productions in drained paddy fields exposed to CO2 of current and future atmospheric concentrations},
  booktitle = {},
  year = 2013,
}

@inproceedings{CTT100786742,
  author = {Akiko Makabe and Keisuke Koba and Chikage Yoshimizu and I.chiro Tayasu and N. O. Ogawa and Naohiko Ohkouchi and Sakae Toyoda and Naohiro Yoshida and Toshi Nagata},
  title = {Fate of atmospheric nitrate and nitrogen biogeochemical processes in Lake Biwa elucidated by multiple oxygen isotopes},
  booktitle = {},
  year = 2012,
}

@inproceedings{CTT100648634,
  author = {Mayuko Nakagawa and Yuichiro Ueno and Shohei Hattori and Ken Takai and Keisuke Koba and Yuuji Sasaki and Akiko Makabe and Maki Umemura and Akihiko Yagi and Naohiro Yoshida},
  title = {Seasonal change of microbial sulfur cycle in monomictic lake Fukami-ike, Japan},
  booktitle = {},
  year = 2012,
}

@inproceedings{CTT100787273,
  author = {M. Nishizawa and K. Koba and A. Makabe and N. Yoshida and M. Hirai and J. Miyazaki and T. Lunoura and K Takai},
  title = {Linking Nitrogen Isotope Systematics and Microbiology in a Subsurface Geochemical Water Stream, Hishikari Gold Mine,Japan},
  booktitle = {},
  year = 2011,
}

@inproceedings{CTT100793848,
  author = {Akiko Makabe and Keisuke Koba and Chikage Yoshimizu and Ichiro Tayasu and Nanako O. Ogawa and Naohiko Ohkouchi and Sakae Toyoda and Toshi Nagata and Naohiro Yoshida},
  title = {Oxygen isotopic composition of nitrous oxide produced in Lake Biwa},
  booktitle = {},
  year = 2010,
}

@inproceedings{CTT100620368,
  author = {Mayuko Nakagawa and Yuichiro Ueno and Shohei Hattori and Maki Umemura and Akihiko Yagi and Ken Takai and Keisuke Koba and Akiko Makabe and Yuji Sasaki and Naohiro Yoshida},
  title = {Sulfur mass balances and microbial metabolisms in a sulfur rich monomictic lake: A case study of the Lake Fukami-ike},
  booktitle = {},
  year = 2010,
}

@inproceedings{CTT100574672,
  author = {Chisato Yoshikawa and Ayako Fujii and Akiko Makabe and Yoshifumi Tobari and Sakae Toyoda and Naohiro Yoshida},
  title = {Isotopic analysis of nitrate in the western equatorial Pacific},
  booktitle = {4th International Symposium on Isotopomers proceedings},
  year = 2008,
}

@inproceedings{CTT100574644,
  author = {Yuji Sasaki and Keisuke Koba and Muneoki Yoh and Akiko Makabe and Yuichiro Ueno and Mayuko Nakagawa and Sakae Toyoda and Naohiro Yoshida},
  title = {Nitrogen cycling in Lake Kizaki clucidated by isotopic analysis},
  booktitle = {4th International Symposium on Isotopomers proceedings},
  year = 2008,
}

@inproceedings{CTT100574673,
  author = {Akiko Makabe and K. Koba and I. Tayasu and M. Itoh and N. O. Ogawa and S. Toyoda and N. Yoshida},
  title = {Dynamics of nitrous oxide emitted from a sewage-polluted river in Mongolia},
  booktitle = {4th International Symposium on Isotopomers proceedings},
  year = 2008,
}