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最終更新日：2024.04.09  

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  • Ishikawa, N.F., Chen, C., Hashimoto, R., Ogawa, N.O., Uyeno, D., and Nomaki, H. (2024) Amino acid nitrogen isotopic compositions show seep copepods gain nutrition from host animals. Marine Ecology Progress Series, 727, 81-90. [Abstract]
  • Nitzsche, K.N., Ishikawa, N.F., Yoshimura, T., Kajita, H., Kawahata, H., Ogawa, N.O., Suga, H., and Ohkouchi, N. (2024) Historical trend of polycyclic aromatic hydrocarbons in a sediment core from Osaka Bay during the Meghalayan. The Holocene, in press. doi:10.1177/09596836241236320. [Abstract]
  • Ishikawa, N.F., Tadokoro, K., Matsubayashi, J., and Ohkouchi, N. (2023) Biomass Pyramids of Marine Mesozooplankton Communities as Inferred From Their Integrated Trophic Positions. Ecosystems, 26, 217-231. doi:10.1007/s10021-022-00753-w. [Abstract]
  • Ishikawa, N.F., Takashima, A., Maruoka, H., and Kondoh, M. (2023) Integrated trophic position as a proxy for food-web complexity. Methods in Ecology and Evolution, in press. doi:10.1111/2041-210X.14256. [Open Access]
  • Sun, Y., Ogawa, N.O., Ishikawa, N.F., Blattmann, T.M., Takano, Y., and Ohkouchi, N. (2023) Application of a porous graphitic carbon column to carbon and nitrogen isotope analysis of underivatized individual amino acids using high-performance liquid chromatography coupled with elemental analyzer/isotope ratio mass spectrometry. Rapid Communications in Mass Spectrometry, 37(17), e9602. doi:10.1002/rcm.9602. [Open Access]
  • Harada, Y., Ito, S., Ogawa, N.O., Yoshikawa, C., Ishikawa, N.F., Yoneda, M., and Ohkouchi, N. (2022) Compound-Specific Nitrogen Isotope Analysis of Amino Acids in Eye Lenses as a New Tool to Reconstruct the Geographic and Trophic Histories of Fish. Frontiers in Marine Science, 8:796532. doi:10.3389/fmars.2021.796532. [Open Access]
  • Isaji, Y., Yoshikawa, C., Ogawa, N.O., Matsumoto, K., Makabe, A., Toyoda, S., Ishikawa, N.F., Ogawa, H., Saito, H., Honda, M.C., and Ohkouchi, N. (2022) Nitrogen sources for phytoplankton in the eastern Indian Ocean determined from δ15N of chlorophyll a and divinylchlorophyll a. Geochemistry, Geophysics, Geosystems, 23(4), e2021GC010057. doi:10.1029/2021GC010057. [Open Access]
  • 石川 尚人. (2022) 生物試料中のアミノ酸の窒素安定同位体比及び放射性炭素濃度測定. 分析化学, 71(12), 653-662. doi:10.2116/bunsekikagaku.71.653. [Open Access]
  • Ishikawa, N.F., Ogawa, N.O., Sun, Y., Chikaraishi, Y., Takano, Y., and Ohkouchi, N. (2022) Integrative assessment of amino acid nitrogen isotopic composition in biological tissue samples determined by GC/C/IRMS, LC × EA/IRMS, and LC × GC/C/IRMS. Limnology and Oceanography: Methods, 20(9), 531-542. doi:10.1002/lom3.10502. [Open Access]
  • Matsubayashi, J., Kimura, K., Ohkouchi, N., Ogawa, N. O., Ishikawa, N., Chikaraishi, Y., Tsuda, Y., and Minami, H. (2022) Using geostatistical analysis for simultaneous estimation of isoscapes and ontogenetic shifts in isotope ratios of highly migratory marine fish. Frontiers in Marine Science, 9: 1049056. doi:10.3389/fmars.2022.104905. [Open Access]
  • Nitzsche, K.N., Yoshimura, T., Ishikawa, N.F., Kajita, H., Kawahata, H., Ogawa, N.O., Suzuki, K., Yokoyama, Y., and Ohkouchi, N. (2022) Metal contamination in a sediment core from Osaka Bay during the last 400 years. Progress in Earth and Planetary Science, 9:58. doi:10.1186/s40645-022-00517-z. [Open Access]
  • Ishikawa, N.F., Ogawa, N.O., Chikaraishi, Y., Yamaguchi, M., Fujikura, K., Miyairi, Y., Yokoyama, Y., Nagata, T. and Ohkouchi, N. (2021) Influences of Ocean Currents on the Diets of Demersal Fish Communities in the Western North Pacific Revealed by Their Muscle Carbon and Nitrogen Isotopic Compositions. Frontiers in Marine Science, 8:641282. doi:10.3389/fmars.2021.641282. [Open Access]
  • Nitzsche, K.N., Yoshimura, T., Ishikawa, N.F., Ogawa, N.O., Suzuki, K. and Ohkouchi, N. (2021) Trace metal geochemical and Zn stable isotope data as tracers for anthropogenic metal contributions in a sediment core from Lake Biwa, Japan. Applied Geochemistry, 134:105107. doi:10.1016/j.apgeochem.2021.105107. [Abstract]
  • Blattmann, T.M., and Ishikawa, N.F. (2020) Theoretical Amino Acid-Specific Radiocarbon Content in the Environment: Hypotheses to Be Tested and Opportunities to Be Taken. Frontiers in Marine Science, 7:302. doi:10.3389/fmars.2020.00302. [Open Access]
  • Blattmann, T.M., Montluçon, D.B., Haghipour, N., Ishikawa, N.F., and Eglinton, T.I. (2020) Liquid Chromatographic Isolation of Individual Amino Acids Extracted From Sediments for Radiocarbon Analysis. Frontiers in Marine Science, 7:174. doi:10.3389/fmars.2020.00174. [Abstract]
  • Ishikawa, N.F., Finlay, J.C., Uno, H., Ogawa, N.O., Ohkouchi, N., Tayasu, I., and Power, M.E. (2020) Combined use of radiocarbon and stable carbon isotopes for the source mixing model in a stream food web. Limnology and Oceanography, 65(11), 2688-2696. doi:10.1002/lno.11541. [Abstract]
  • Matsubayashi, J., Osada, Y., Tadokoro, K., Abe, Y., Yamaguchi, A., Shirai, K., Honda, K., Yoshikawa, C., Ogawa, N.O., Ohkouchi, N., Ishikawa, N.F., Nagata, T., Miyamoto, H., Nishino, S., and Tayasu, I. (2020) Tracking long‐distance migration of marine fishes using compound‐specific stable isotope analysis of amino acids. Ecology Letters, 23(5), 881-890. doi:10.1111/ele.13496. [Abstract]
  • Sun, Y., Ishikawa, N.F., Ogawa, N.O., Kawahata, H., Takano, Y., and Ohkouchi, N. (2020) A method for stable carbon isotope measurement of underivatized individual amino acids by multi‐dimensional high‐performance liquid chromatography and elemental analyzer/isotope ratio mass spectrometry. Rapid Communications in Mass Spectrometry, 34(20), e8885. doi:10.1002/rcm.8885. [Abstract]
  • Ishikawa, N.F., Butman, D., and Raymond, P.A. (2019) Radiocarbon age of different photoreactive fractions of freshwater dissolved organic matter. Organic Geochemistry, 135, 11-15. doi:10.1016/j.orggeochem.2019.06.006.[Abstract]
  • Haghipour, N., Ausin, B., Usman, M., Ishikawa, N.F., Wacker, L., Welte, C., Ueda, K., and Eglinton, T.I. (2018) Compound-Specific Radiocarbon Analysis (CSRA) by Elemental AnalyzerAccelerator Mass Spectrometry (EA-AMS): Precision and Limitations. Analytical Chemistry, 91(3), 2042-2049. doi:10.1021/acs.analchem.8b04491. [Abstract]
  • Ishikawa, N.F. (2018) Use of compound-specific nitrogen isotope analysis of amino acids in trophic ecology: assumptions, applications, and implications. Ecological Research, 33(5), 825-837. doi:10.1007/s11284-018-1616-y. [Open Access]
  • Ishikawa, N.F., Chikaraishi, Y., Takano, Y., Sasaki, Y., Takizawa, Y., Tsuchiya, M., Tayasu, I., Nagata, T., and Ohkouchi, N. (2018) A new analytical method for determination of the nitrogen isotopic composition of methionine: Its application to aquatic ecosystems with mixed resources. Limnology and Oceanography: Methods, 16(9), 607-620. doi:10.1002/lom3.10272. [Open Access]
  • Ishikawa, N.F., Itahashi, Y., Blattmann, T.M., Takano, Y., Ogawa, N.O., Yamane, M., Yokoyama, Y., Nagata, T., Yoneda, M., Haghipour, N., Eglinton, T.I., and Ohkouchi, N. (2018) Improved method for isolation and purification of underivatized amino acids for radiocarbon analysis. Analytical Chemistry, 90(20), 12035-12041. doi:10.1021/acs.analchem.8b02693. [Abstract]
  • Kato, Y., Kondoh, M., Ishikawa, N.F., Togashi, H., Kohmatsu, Y., Yoshimura, M., Yoshimizu, C., Haraguchi, T.F., Osada, Y., Ohte, N., Tokuchi, N., Okuda, N., Miki, T., and Tayasu, I. (2018) Using food network unfolding to evaluate food-web complexity in terms of biodiversity: theory and applications. Ecology Letters, 21, 1065-1074. doi:10.1111/ele.12973. [Abstract]
  • Ko, C.-Y., Iwata, T., Lee, J.-Y., Murakami, A., Okano, J., Ishikawa, N.F., Sakai, Y., Tayasu, I., Itoh, M., Song, U., Togashi, H., Nakano, S., Ohte, N., and Okuda, N. (2018) Assessing alpha and beta diversities of benthic macroinvertebrates and their environmental drivers between watersheds with different levels of habitat transformation in Japan. Marine and Freshwater Research, 70(4), 504-512. doi:10.1071/MF18031. [Abstract]
  • McCallister, S.L., Ishikawa, N.F., and Kothawala, D.N. (2018) Biogeochemical tools for characterizing organic carbon in inland aquatic ecosystems. Limnology and Oceanography Letters, 3(6), 444-457. doi:10.1002/lol2.10097. [Open Access]
  • Ishikawa, N.F., Chikaraishi, Y., Ohkouchi, N., Murakami, A.R., Tayasu, I., Togashi, H., Okano, J., Sakai, Y., Iwata, T., Kondoh, M., and Okuda, N. (2017) Integrated trophic position decreases in more diverse communities of stream food webs. Scientific Reports, 7:2130. doi:10.1038/s41598-017-02155-8. [Open Access]
  • Ishikawa, N.F., Hayashi, F., Sasaki, Y., Chikaraishi, Y., and Ohkouchi, N. (2017) Trophic discrimination factor of nitrogen isotopes within amino acids in the dobsonfly Protohermes grandis (Megaloptera: Corydalidae) larvae in a controlled feeding experiment. Ecology and Evolution, 7(6), 1674-1679. doi:10.1002/ece3.2728. [Open Access]
  • Ishikawa, N.F., Togashi, H., Kato, Y., Yoshimura, M., Kohmatsu, Y., Yoshimizu, C., Ogawa, N.O., Ohte, N., Tokuchi, N., Ohkouchi, N., and Tayasu, I. (2016) Terrestrial-aquatic linkage in stream food webs along a forest chronosequence: multi-isotopic evidence. Ecology, 97(5), 1146-1158. doi:10.1890/15-1133.1. [Abstract]
  • Ishikawa, N.F., Yamane, M., Suga, H., Ogawa, N.O., Yokoyama, Y., and Ohkouchi, N. (2015) Chlorophyll a-specific Δ14C, δ13C and δ15N values in stream periphyton: implications for aquatic food web studies. Biogeosciences, 12(22), 6781-6789. doi:10.5194/bg-12-6781-2015. [Open Access]
  • Ishikawa, N.F., Tayasu, I., Yamane, M., Yokoyama, Y., Sakai, S., and Ohkouchi, N. (2015) Sources of dissolved inorganic carbon in two small streams with different bedrock geology: insights from carbon isotopes. Radiocarbon, 57(3), 449-458. doi:10.2458/azu_rc.57.18348. [Open Access]
  • Chikaraishi, Y., Steffan, S.A., Ogawa, N.O., Ishikawa, N.F., Sasaki, Y., Tsuchiya, M., and Ohkouchi, N. (2014) High-resolution food webs based on nitrogen isotopic composition of amino acids. Ecology and Evolution, 4(12), 2423-2449. doi:10.1002/ece3.1103. [Open Access]
  • Ishikawa, N.F., Kato, Y., Togashi, H., Yoshimura, M., Yoshimizu, C., Okuda, N., and Tayasu, I. (2014) Stable nitrogen isotopic composition of amino acids reveals food web structure in stream ecosystems. Oecologia, 175(3), 911-922. doi:10.1007/s00442-014-2936-4. [Open Access]
  • Ishikawa, N.F., Uchida, M., Shibata, Y., and Tayasu, I. (2014) Carbon storage reservoirs in watersheds support stream food webs via periphyton production. Ecology, 95(5), 1264-1271. doi:10.1890/13-0976.1. [Abstract]
  • Ishikawa, N.F., Hyodo, F., and Tayasu, I. (2013) Use of carbon-13 and carbon-14 natural abundances for stream food web studies. Ecological Research, 28(5), 759-769. doi:10.1007/s11284-012-1003-z. [Open Access]
  • Ishikawa, N.F., Doi, H., and Finlay, J.C. (2012) Global meta-analysis for controlling factors on carbon stable isotope ratios of lotic periphyton. Oecologia, 170(2), 541-549. doi:10.1007/s00442-012-2308-x. [Open Access]
  • Ishikawa, N.F., Uchida, M., Shibata, Y., and Tayasu, I. (2012) Natural C-14 provides new data for stream food-web studies: a comparison with C-13 in multiple stream habitats. Marine and Freshwater Research, 63(3), 210-217. doi:10.1071/MF11141. [Abstract]
  • Ishikawa, N.F., Uchida, M., Shibata, Y., and Tayasu, I. (2010) A new application of radiocarbon (14C) concentrations to stream food web analysis. Nuclear Instruments and Methods in Physics Research section B, 268(7-8), 1175-1178. doi:10.1016/j.nimb.2009.10.127. [Abstract]

解説・その他の出版物

  • 石川 尚人. (2020) 物質に含まれる時間軸 ― 生まれ年のワイン ―. 同位体環境学がえがく世界：2022年版. 陀安 一郎, 申 基澈, 鷹野 真也 編. 総合地球環境学研究所.
  • 土居 秀幸, 石川 尚人, 太田 民久 (分担執筆) (2019) 河川生態系の調査・分析方法, 井上幹生／中村太士・編, 講談社
  • Ishikawa, N.F., Doi, H., and Finlay, J.C. (2018) Global dataset for carbon and nitrogen stable isotope ratios of lotic periphyton. Ecological Research. [Data Paper]
  • 石川 尚人 (2017) 同位体から探る水生昆虫の食性. 昆虫と自然, 2月号: 16-19. [Abstract]
  • Ishikawa, N.F., Nyffeler, R., Haghipour, N., Eglinton, T.I., and Ohkouchi, N. (2017) Compound-specific 14C analysis in ecology: Do trees recycle chlorophyll? Laboratry of Ion Beam Physics, ETH Zurich, Annual Report 2017. 44pp. [PDF]
  • 冨樫 博幸, 大手 信人, 石川 尚人, 加藤 義和, 吉村 真由美, 神松 幸弘, 由水 千景, 徳地 直子, 陀安一郎 (2016) マルチ安定同位体情報を利用した人間活動が河川生態系へ及ぼす影響解明. 昆虫と自然, 12月号: 33-35. [Abstract]
  • 冨樫 博幸, 石川 尚人, 加藤 義和, 吉村 真由美, 神松 幸弘, 由水 千景, 大手 信人, 徳地 直子, 陀安 一郎 (2016) 森林施業が河川食物網へ及ぼす長期的影響の解明: 安定同位体比を利用して. 昆虫と自然, 6月臨時増刊号: 38-40. [Abstract]
  • 土居 秀幸, 兵藤 不二夫, 石川 尚人 (2016) 安定同位体を用いた餌資源・食物網調査法.「生態学フィールド調査法シリーズ第6巻」占部 城太郎, 日浦 勉, 辻 和希 編, 共立出版, 164pp.
  • 石川 尚人 (2015) 生態学と地球化学のはざまで. 日本有機地球化学会 ニュースレター. 61, 5-7. [PDF]
  • 石川 尚人, 森 照貴 (2014) 境界で起こるプロセスに注目して河川生態系を理解する：趣旨説明. 日本生態学会誌, 64(2), 117-118. [Abstract]
  • 石川 尚人 (2014) 河川食物網解析における同位体天然存在比の利用：放射性炭素14を中心とした研究のレビューと展望. 日本生態学会誌, 64(2), 133-142. [Abstract]
  • 森 照貴, 石川 尚人 (2014) 特集のおわりに：河川生態系の"つながり"に関する展望. 日本生態学会誌, 64(2), 143-150. [Abstract]
  • 陀安 一郎, 石川 尚人 (2013) 生物の同位体天然存在比と生物多様性科学. ｢ぶんせき｣ 日本分析化学会, 2, 79-85.
  • 陀安 一郎, 苅部 甚一, 石川 尚人 (2012) 11章 同位体の利用法. ｢現代の生態学9巻 淡水生態系のフロンティア｣ 日本生態学会 編, 共立出版, pp.122-131.
  • 陀安 一郎, 兵藤 不二夫, 石川 尚人 (2008) 大気圏核実験由来放射性炭素14を用いた生態学. ｢生物の科学 遺伝｣, 62(6), 90-94.