"‹gμ’m—’,αΑ•Η–ΎŽq,Όˆδ—m•½,–L“c‰h,–{‘½–qΆ,‰‘μ‘Ύˆκ,•z‰Y‘ρ˜Y,‘ε‰Ν“ΰ’Ό•F","“Œ•”ƒCƒ“ƒh—m‚Ι‚¨‚―‚ιΙŽ_‚Μ’‚‘fŽ_‘f“―ˆΚ‘Μ”δ","“ϊ–{’n‹…‰»Šw‰ο”N‰ο",,,,,,2020,Nov. "Sakae Toyoda,Kotaro Terajima,Naohiro Yoshida,Chisato Yoshikawa,Akiko Makabe,Fuminori Hashihama,Hiroshi Ogawa","Distribution and isotopic composition of N2O in the eastern Indian Ocean","JpGU-AGU Joint Meeting 2020: Virtual",,,,,,2020,July "Chisato Yoshikawa,Akiko Makabe,Yohei Matsui,Sakae Toyoda,Makio Honda,Naohiko Ohkouchi","Nitrate isotopes in the Bay of Bengal","JpGU-AGU Joint Meeting 2020: Virtual",,,,,,2020,July "Breider, F.,C. Yoshikawa,A. Makabe,S. Toyoda,M. Wakita,Y. Matsui,S. Kawagucci,T. Fujiki,N. Harada,N. Yoshida","Response of N2O production rate to ocean acidification in the western North Pacific",,"Nature Climate Change",,"Vol. 9(12)",,"pp. 954-958",2019,Dec. "Toyoda.S,Matsushima.S,Makabe.?A,Nunoura.T,Yoshikawa.C,?Yoshida.N","Isotopic Analyses of Dissovled N2O and Nitrite in the Subarctic North Pacific","Goldschmidt2016",,,,,,2016,June "Thuan,Nguyen Cong,Keisuke Koba,Midori Yano,Akiko Makabe,Co Thi Kinh,Akihiko Terada,Sakae Toyoda,Naohiro Yoshida,Yotaro Tanaka,Masanori Katsuyama,Muneoki Yoh","Integrated approaches of N2/Ar measurement, stable isotopic and molecular techniques and investigating dissolved organic matter characteristics to evidence the denitrification in river","IsoEcol2016",,,,,,2016,Apr. "Takuro Nunoura,Yoshihiro Takaki,Miho Hirai,Shigeru Shimamura,Akiko Makabe,Osamu Koide,Tohru Kikuchi,Junichi Miyazaki,Keisuke Koba,Naohiro Yoshida,Michinari Sunamura,Ken Takai","Hadal biosphere: insight into the microbial ecosystem in the deepest ocean on Earth",,,,"Vol. 112","No. 11","pp. E1230?E1236",2015, "M. Yano,S. Toyoda,A. Makabe,N. Yoshida","Effect of flood irrigation on production and soil-to-atmosphere emission processes of nitrous oxide from paddy fields","ISI2014",,,,,,2014,July "Midori Yano,Sakae Toyoda,Takeshi Tokida,Kentaro Hayashi,Toshihiro Hasegawa,Hirohumi Nakamura,Akiko Makabe,Keisuke Koba,Naohiro Yoshida","Large contributions of nitrification and fungal denitrification in N2O productions in drained paddy fields exposed to CO2 of current and future atmospheric concentrations","ICoN3",,,,,,2013,Sept. "Midori Yano,Sakae Toyoda,T. Tokida,K. Hayashi,T. Hasegara,A. Makabe,Keisuke Koba","Isotopomer analysis of production, consumption and soil-to-atmosphere emission processes of N2O at the beginning of paddy field irrigation",,"Soil Biology & Biochemistry",,,,,2013, "M. Nishizawa,Kisuke Koba,M. Kaneko,S. Hirao,J. Ishibashi,T. Yamanaka,T. Shibuya,T. Kikuchi,M. Hirai,J. Miyazaki,T. Nunoura,K. Takai,M. Nishizawa,Keisuke Koba,Akiko Makabe,Naohiro Yoshida,M. Kaneko,S. Hirao,J. Ishibashi,T. Yamanaka,T. Shibuya,T. Kikuchi,M. Hirai,J. Miyazaki,T. Nunoura,K. Takai","Nitrification-driven forms of nitrogen metabolism in microbial mat communities thriving along an ammonium-enriched subsurface geothermal stream.",,"Geochimica et Cosmochimica Acta",,"Vol. 113",,"pp. 152-173",2013, "Shinsuke Kawagucci,Yuichiro Ueno,Ken Takai,Tomohiro Toki,Michihiro Ito,Kazuhiro Inoue,Akiko Makabe,Yasuyuki Muramatsu,Naoto Takahata,Yuji Sano,Taku Narita,Genta Teranishi,Hajime Obata,Satoshi Nakagawa,Takuro Nunoura,Toshitaka Gamo","Geochemical origin of hydrothermal fluid methane in sediment-associated fields and its relevance to the geographical distribution of whole hydrothermal circulation",,"Chemical Geology",,"Vol. 339",,"pp. 213-225",2013, "Akiko Makabe,Keisuke Koba,Chikage Yoshimizu,I.chiro Tayasu,N. O. Ogawa,Naohiko Ohkouchi,Sakae Toyoda,Naohiro Yoshida,Toshi Nagata","Fate of atmospheric nitrate and nitrogen biogeochemical processes in Lake Biwa elucidated by multiple oxygen isotopes","2012 ASLO Aquatic Sciences Meeting",,,,,,2012,July "Nobuhito Ohte,Ichiro Tayasu,Ayato Kohzu,Chikage Yoshimizu,Ken'ichi Osaka,Akiko Makabe,Keisuke Koba,Naohiro Yoshida,Toshi Nagata","Correction to gSpatial distribution of nitrate sources of rivers in the Lake Biwa watershed, Japan: Controlling factors revealed by nitrogen and oxygen isotope valuesh",,"Water Resouces Research",,"Vol. 48",,,2012, "Nakagawa Mayuko,Yuichiro Ueno,Shohei Hattori,Maki Umemura,Akihiko Yagi,Ken Takai,Keisuke Koba,Yuji Sasaki,Akiko Makabe,Naohiro Yoshida","Seasonal change in microbial sulfur cycling in monomictic Lake Fukami-ike, Japan",,"Limnology & Oceanography",,"Vol. 57",,"pp. 974-988",2012, "Shinsuke Kawagucci,Yuichiro Ueno,Ken Takai,Tomohiro Toki,Michihiro Ito,Kazuhiro Inoue,Akiko Makabe,Yasuyuki Muramatsu,Naoto Takahata,Yuji Sano,Taku Narita,Genta Teranishi,Hajime Obata,Satoshi Nakagawa,Takuro Nunoura,Toshitaka Gamo","Geochemical origin of hydrothermal fluid methane in sediment-associated fields and its relevance to the geographical distribution of whole hydrothermal circulation",,"Chemical Geology",,"Vol. 339",,"pp. 213?225",2012, "Mayuko Nakagawa,Yuichiro Ueno,Shohei Hattori,Ken Takai,Keisuke Koba,Yuuji Sasaki,Akiko Makabe,Maki Umemura,Akihiko Yagi,Naohiro Yoshida","Seasonal change of microbial sulfur cycle in monomictic lake Fukami-ike, Japan","2012 ASLO Aquatic Sciences Meeting",,,,,,2012, "M. Nishizawa,K. Koba,A. Makabe,N. Yoshida,M. Hirai,J. Miyazaki,T. Lunoura,K Takai","Linking Nitrogen Isotope Systematics and Microbiology in a Subsurface Geochemical Water Stream, Hishikari Gold Mine,Japan","Goldschmidt2011",,,,,,2011,Aug. "Sakae Toyoda,Midori Yano,S. Nishimura,H. Akiyama,A. Hayakawa,Keisuke Koba,S. Sudo,K. Yagi,Akiko Makabe,Yoshifumi Tobari,N. O. Ogawa,Nao Ohkouch,Keita Yamada,Naohiro Yoshida","Characterization and production and consumption processes of N2O emitted from temperate agricultural aoils determined via isotopomer ratio analysis",,"Global Biogeochem. Cycles",,"Vol. 17",,,2011,May "Shinsuke Kawagucci,Hitoshi Chiba,Jun-ichiro Ishibashi,Toshiro Yamanaka,Tomohiro Toki,Yasuyuki Muramatsu,Yuichiro Ueno,Akiko Makabe,Kazuhiro Inoue,Naohiro Yoshida,Satoshi Nakagawa,Takuro Nunoura,Ken Takai,Naoto Takahata,Yuji Sano,Taku Narita,Genta Teranishi,Hajime Obata,Toshitaka Gamo","Hydrothermal fluid geochemistry at the Iheya North field in the mid-Okinawa Trough: Implication for origin of methane in subseafloor fluid circulation systems.",,"Geochem. J.",,"Vol. 45",,"pp. 109-124",2011, "Masayuki Itoh,Yasuhiro Takemon,Akiko Makabe,Chikage Yoshimizu,Ayato Kohzu,Nobuhito Ohte,Dashzeveg Tumurskh,Ichiro Tayasu,Naohiro Yoshida,Toshi Nagata","Evaluation of wastewater nitrogen transformation in a natural wetland (Ulaanbaatar, Mongolia) using dual-isotope analysis of nitrate.",,"Science of the Total Environment",,"Vol. 409",,"pp. 1530-1538",2011, "Sasaki, Y.,Keisuke Koba,M. Yamamoto,Akiko Makabe,Yuichiro Ueno,Mayuko Nakagawa,Sakae Toyoda,Naohiro Yoshida,M. Yoh","Biogeochemistry of nitrous oxide in Lake Kizaki, Japan, elucidated by nitrous oxide isotopomer analysis",,"J. Geophys. Res.",,"Vol. 116",,"pp. 1-10",2011, "Akiko Makabe,Keisuke Koba,Chikage Yoshimizu,Ichiro Tayasu,Nanako O. Ogawa,Naohiko Ohkouchi,Sakae Toyoda,Toshi Nagata,Naohiro Yoshida","Oxygen isotopic composition of nitrous oxide produced in Lake Biwa","International Symposium on Isotope Ecology 2010 in Kyoto, COOP Inn Kyoto",,,,,,2010,Nov. "Mayuko Nakagawa,Yuichiro Ueno,Shohei Hattori,Maki Umemura,Akihiko Yagi,Ken Takai,Keisuke Koba,Akiko Makabe,Yuji Sasaki,Naohiro Yoshida","Sulfur mass balances and microbial metabolisms in a sulfur rich monomictic lake: A case study of the Lake Fukami-ike","The 5th International Symposium on Isotopomers",,,,,,2010,June "Nobuhito Ohte,Ichiro Tayasu,Ayato Kohzu,Chikage Yoshimizu,Kenichi Osaka,Akiko Makabe,Keisuke Koba,Naohiro Yoshida,Toshi Nagata","Spatial distribution of nitrate sources of rivers in the Lake Biwa watershed, Japan: Controlling factors revealed by nitrogen and oxygen isotope values",,"Water Resources Research",,"Vol. 46",," W07505, 16 PP",2010,Mar. "Chisato Yoshikawa,Ayako Fujii,Akiko Makabe,Yoshifumi Tobari,Sakae Toyoda,Naohiro Yoshida","Isotopic analysis of nitrate in the western equatorial Pacific","4th International Symposium on Isotopomers","4th International Symposium on Isotopomers proceedings","ISI2008 Science Committee",,,"pp. 192-194",2008,Oct. "Yuji Sasaki,Keisuke Koba,Muneoki Yoh,Akiko Makabe,Yuichiro Ueno,Mayuko Nakagawa,Sakae Toyoda,Naohiro Yoshida","Nitrogen cycling in Lake Kizaki clucidated by isotopic analysis","4th International Symposium on Isotopomers","4th International Symposium on Isotopomers proceedings","ISI2008 Science Committee",,,"pp. 94-95",2008,Oct. "Akiko Makabe,K. Koba,I. Tayasu,M. Itoh,N. O. Ogawa,S. Toyoda,N. Yoshida","Dynamics of nitrous oxide emitted from a sewage-polluted river in Mongolia","4th International Symposium on Isotopomers","4th International Symposium on Isotopomers proceedings","ISI2008 Science Committee",,,"pp. 195-196",2008,Oct.