Ishikawa Naoto 石川尚人

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ISHIKAWA Naoto 石川尚人

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Researcher Number	80609389
Other IDs	https://orcid.org/0000-0002-8268-9512
Affiliation (Current)	2026: 国立研究開発法人海洋研究開発機構, 物質地球科学研究部門(生物地球化学センター), 主任研究員
Affiliation (based on the past Project Information) *help	2024 – 2025: 国立研究開発法人海洋研究開発機構, 海洋機能利用部門(生物地球化学センター), 主任研究員 2020 – 2023: 国立研究開発法人海洋研究開発機構, 海洋機能利用部門(生物地球化学センター), 副主任研究員 2022: 国立研究開発法人海洋研究開発機構, 海洋機能利用部門(生物地球化学センター), 主任研究員 2021: 国立研究開発法人海洋研究開発機構, 海洋機能利用部門(生物地球化学プログラム), 副主任研究員 2020: 国立研究開発法人海洋研究開発機構, 海洋機能利用部門(生物地球化学センター), 研究員 2018 – 2020: 国立研究開発法人海洋研究開発機構, 海洋機能利用部門(生物地球化学プログラム), 研究員
Review Section/Research Field	Principal Investigator Basic Section 63010:Environmental dynamic analysis-related / Medium-sized Section 63:Environmental analyses and evaluation and related fields / Basic Section 45040:Ecology and environment-related / Medium-sized Section 45:Biology at organismal to population levels and anthropology, and related fields Except Principal Investigator Medium-sized Section 17:Earth and planetary science and related fields / Basic Section 63010:Environmental dynamic analysis-related / Medium-sized Section 45:Biology at organismal to population levels and anthropology, and related fields
Keywords	Principal Investigator シングルステージ加速器質量分析計 / 高速液体クロマトグラフ / 化合物レベル放射性炭素分析 / ショートカット / 炭素循環 / 生態系ピラミッド / 栄養段階 / アミノ酸の窒素同位体比 / 生物群集 / iTP … More / 時空間変異 / 動物プランクトン / 食物網のときほぐし / バイオマス分布 / 群集平均栄養段階 / アミノ酸窒素同位体比 / 動物プランクトン群集 / 食物網構造 / 体サイズ分布 / 生物多様性 / 地球生態系 / 生態ピラミッド / 統合的栄養位置 / メチオニン / フェニルアラニン / グルタミン酸 / 窒素同位体比 / 放射性炭素 / タイムマシン / 植物標本 / 爆弾炭素 / 再利用 / クロロフィル … More Except Principal Investigator アミノ酸 / 有明海 / 赤潮 / 貧酸素水塊 / レガシー窒素 / 多元素同位体解析 / 分子レベル解析 / 履歴保存部位 / 同位体地図 / 移動履歴生態学 / 生物アーカイブ / 人新世 / 同位体比 / アーカイブ試料 / 窒素同位体比 / 琵琶湖 / 富栄養化 / 金属 / 食性解析 / 食物連鎖 / 安定同位体比 / 食物網解析 / 同位体 / 必須ミネラル / 栄養段階 / 安定同位体 / マグネシウム Less

沿岸域の貧酸素化が窒素によるレガシー (遺産) 汚染の長期化に及ぼす影響の解明
- Principal Investigator
  
  高巣裕之
- Project Period (FY)
  2025 – 2027
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 63010:Environmental dynamic analysis-related
- Research Institution
  Nagasaki University
Compound-specific radiocarbon analysis of amino acids draws a link between biosphere and geospherePrincipal Investigator
- Principal Investigator
  
  石川尚人
- Project Period (FY)
  2024 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 63010:Environmental dynamic analysis-related
- Research Institution
  Japan Agency for Marine-Earth Science and Technology
Establishing a revolutionary method for ecosystem monitoring by scooping a cup of waterPrincipal Investigator
- Principal Investigator
  
  Ishikawa Naoto
- Project Period (FY)
  2022 – 2024
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 63:Environmental analyses and evaluation and related fields
- Research Institution
  Japan Agency for Marine-Earth Science and Technology
Development of migration history ecology using multi-isoscapes and analysis of tissues having an individual history
- Principal Investigator
  
  Tayasu Ichiro
- Project Period (FY)
  2021 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 45:Biology at organismal to population levels and anthropology, and related fields
- Research Institution
  Research Institute for Humanity and Nature
Analysis of Anthropocene with biological archives: A case study in Lake Biwa
- Principal Investigator
  
  Ohkouchi Naohiko
- Project Period (FY)
  2020 – 2022
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 17:Earth and planetary science and related fields
- Research Institution
  Japan Agency for Marine-Earth Science and Technology
A novel tool for the trophic level of bioessential metals by non-traditioanal stable isotopes
- Principal Investigator
  
  Yoshimura Toshihiro
- Project Period (FY)
  2019 – 2021
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 17:Earth and planetary science and related fields
- Research Institution
  Japan Agency for Marine-Earth Science and Technology
Using compound-specific radiocarbon clock as a tracer of soil carbon in plant archivesPrincipal Investigator
- Principal Investigator
  
  Ishikawa Naoto
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Challenging Research (Exploratory)
- Review Section
  
  Medium-sized Section 45:Biology at organismal to population levels and anthropology, and related fields
- Research Institution
  Japan Agency for Marine-Earth Science and Technology
Elucidating coastal ecosystem structure using compound-specific isotope analysis of amino acidsPrincipal Investigator
- Principal Investigator
  
  ISHIKAWA Naoto
- Project Period (FY)
  2018 – 2020
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Review Section
  
  Basic Section 45040:Ecology and environment-related
- Research Institution
  Japan Agency for Marine-Earth Science and Technology

All 2025 2024 2023 2022 2021 2020 2019 2018

All Journal Article Presentation

[Journal Article] Spatiotemporal Variations in Integrated Trophic Positions of Stream Macroinvertebrate Communities2025
- Author(s)
  Ishikawa, Naoto F., Yoshitoshi Uehara, Takuya Ishida, Tohru Ikeya, Satoshi Asano, Chia-Ying Ko, Tomoya Iwata, Ichiro Tayasu, Naohiko Ohkouchi, and Noboru Okuda
- Journal Title
  
  Progress in Earth and Planetary Science
  
  Volume: 12 Issue: 1 Pages: 2-2
- DOI
  10.1186/s40645-024-00671-6
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21H04381, KAKENHI-PROJECT-22K19857, KAKENHI-PROJECT-24K01896, KAKENHI-PROJECT-22K19869
[Journal Article] Distributions of heme B and its implications on Fe biogeochemistry in the eastern Indian Ocean and the western North Pacific Ocean2025
- Author(s)
  Isaji Yuta、Sugie Koji、Ishikawa Naoto F.、Ogawa Nanako O.、Matsumoto Kazuhiko、Yoshikawa Chisato、Obata Hajime、Honda Makio C.、Ohkouchi Naohiko
- Journal Title
  
  Progress in Earth and Planetary Science
  
  Volume: 12 Issue: 1 Pages: 14-14
- DOI
  10.1186/s40645-025-00689-4
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23K22619, KAKENHI-PROJECT-23K24980, KAKENHI-PROJECT-23K24982, KAKENHI-PROJECT-24K03074
[Journal Article] Magnesium isotopic variation in marine fish organs2025
- Author(s)
  Yoshimura Toshihiro、Ishikawa Naoto F.、Ogawa Nanako O.、Kusaka Soichiro、Wakaki Shigeyuki、Ishikawa Tsuyoshi、Nagaishi Kazuya、Kaneko Masanori、Isaji Yuta、Chikaraishi Yoshito、Ohkouchi Naohiko
- Journal Title
  
  Progress in Earth and Planetary Science
  
  Volume: 12 Issue: 1 Pages: 1-12
- DOI
  10.1186/s40645-025-00690-x
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K19856, KAKENHI-PROJECT-24K00739, KAKENHI-PROJECT-24K00750, KAKENHI-PROJECT-24K03074
[Journal Article] Divergent ornamentation within a single population of the barn swallow2024
- Author(s)
  Arai Emi、Hasegawa Masaru、Yoshimizu Chikage、Ishikawa Naoto F、Ohkouchi Naohiko、Tayasu Ichiro
- Journal Title
  
  Journal of Evolutionary Biology
  
  Volume: 37 Issue: 11 Pages: 1264-1277
- DOI
  10.1093/jeb/voae108
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22KJ2573, KAKENHI-PROJECT-24K03074, KAKENHI-PROJECT-23KJ2160, KAKENHI-PROJECT-20KK0165
[Journal Article] Amino acid nitrogen isotopic compositions show seep copepods gain nutrition from host animals2024
- Author(s)
  Ishikawa NF、Chen C、Hashimoto R、Ogawa NO、Uyeno D、Nomaki H
- Journal Title
  
  Marine Ecology Progress Series
  
  Volume: 727 Pages: 81-90
- DOI
  10.3354/meps14503
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K19857, KAKENHI-PROJECT-21H04784, KAKENHI-PROJECT-24K09575
[Journal Article] Dietary partitioning in sympatric Paradoxurinae civets in Borneo suggested by compound-specific nitrogen isotope analysis of amino acids2024
- Author(s)
  Nakabayashi Miyabi、Tsutaya Takumi、Ahmad Abdul Hamid、Sasaki Yoko、Ogawa Nanako O.、Ishikawa Naoto F.、Ohkouchi Naohiko
- Journal Title
  
  Progress in Earth and Planetary Science
  
  Volume: 11 Issue: 1 Pages: 53-53
- DOI
  10.1186/s40645-024-00655-6
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24K03074, KAKENHI-PROJECT-22KK0170
[Journal Article] Historical trend of polycyclic aromatic hydrocarbons in a sediment core from Osaka Bay during the Meghalayan2024
- Author(s)
  Nitzsche Kai Nils、Ishikawa Naoto F、Yoshimura Toshihiro、Kajita Hiroto、Kawahata Hodaka、Ogawa Nanako O、Suga Hisami、Ohkouchi Naohiko
- Journal Title
  
  The Holocene
  
  Volume: - Issue: 7 Pages: 0-0
- DOI
  10.1177/09596836241236320
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K19857, KAKENHI-PROJECT-23K03566, KAKENHI-PROJECT-21H04784, KAKENHI-PROJECT-21H01204, KAKENHI-PROJECT-23K20242
[Journal Article] Biomass Pyramids of Marine Mesozooplankton Communities as Inferred From Their Integrated Trophic Positions2023
- Author(s)
  Ishikawa Naoto F.、Tadokoro Kazuaki、Matsubayashi Jun、Ohkouchi Naohiko
- Journal Title
  
  Ecosystems
  
  Volume: 26 Issue: 1 Pages: 217-231
- DOI
  10.1007/s10021-022-00753-w
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-22K19857, KAKENHI-PROJECT-21H04784
[Journal Article] Integrated trophic position as a proxy for food‐web complexity2023
- Author(s)
  Ishikawa Naoto F.、Takashima Ayaka、Maruoka Hirokazu、Kondoh Michio
- Journal Title
  
  Methods in Ecology and Evolution
  
  Volume: 15 Issue: 1 Pages: 164-177
- DOI
  10.1111/2041-210x.14256
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K19857, KAKENHI-PROJECT-21H04784
[Journal Article] 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 spectrometry2023
- Author(s)
  Sun Yuchen、Ogawa Nanako O.、Ishikawa Naoto F.、Blattmann Thomas M.、Takano Yoshinori、Ohkouchi Naohiko
- Journal Title
  
  Rapid Communications in Mass Spectrometry
  
  Volume: 37 Issue: 17
- DOI
  10.1002/rcm.9602
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-22K19857, KAKENHI-PROJECT-22KJ0593, KAKENHI-PROJECT-21H04784, KAKENHI-PROJECT-20H02019
[Journal Article] Integrative assessment for amino acid nitrogen isotopic composition in biological tissue samples determined by GC/C/IRMS, LC x EA/IRMS, and LC x GC/C/IRMS.2022
- Author(s)
  Ishikawa, N. F., Ogawa, N. O., Sun, Y., Chikaraishi, Y., Takano, Y., and Ohkouchi, N.
- Journal Title
  
  Limnology and Oceanography, Method
  
  Volume: 20 Issue: 9 Pages: 531-542
- DOI
  10.1002/lom3.10502
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00208, KAKENHI-PROJECT-20H02019, KAKENHI-PROJECT-22KJ0593, KAKENHI-PROJECT-21H04784, KAKENHI-PROJECT-19K22463
[Journal Article] Compound-specific Nitrogen Isotope and Radiocarbon Analyses of Amino Acids in Biological Samples2022
- Author(s)
  ISHIKAWA Naoto F.
- Journal Title
  
  BUNSEKI KAGAKU
  
  Volume: 71 Issue: 12 Pages: 653-662
- DOI
  10.2116/bunsekikagaku.71.653
- ISSN
  0525-1931
- Year and Date
  2022-12-05
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-21H04784
[Journal Article] Using geostatistical analysis for simultaneous estimation of isoscapes and ontogenetic shifts in isotope ratios of highly migratory marine fish2022
- Author(s)
  Matsubayashi Jun、Kimura Katsuya、Ohkouchi Naohiko、Ogawa Nanako O.、Ishikawa Naoto F.、Chikaraishi Yoshito、Tsuda Yuichi、Minami Hiroshi
- Journal Title
  
  Frontiers in Marine Science
  
  Volume: 9 Pages: 1049056-1049056
- DOI
  10.3389/fmars.2022.1049056
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PLANNED-22H05028, KAKENHI-PROJECT-23K21742, KAKENHI-PROJECT-21H04784
[Journal Article] Metal contamination in a sediment core from Osaka Bay during the last 400 years2022
- Author(s)
  Nitzsche Kai Nils、Yoshimura Toshihiro、Ishikawa Naoto F.、Kajita Hiroto、Kawahata Hodaka、Ogawa Nanako O.、Suzuki Katsuhiko、Yokoyama Yusuke、Ohkouchi Naohiko
- Journal Title
  
  Progress in Earth and Planetary Science
  
  Volume: 9 Issue: 1 Pages: 58-58
- DOI
  10.1186/s40645-022-00517-z
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-20H00193, KAKENHI-PROJECT-21H04784, KAKENHI-PROJECT-23K22598
[Journal Article] Compound-Specific Nitrogen Isotope Analysis of Amino Acids in Eye Lenses as a New Tool to Reconstruct the Geographic and Trophic Histories of Fish2022
- Author(s)
  Harada Y, Ito S, Ogawa NO, Yoshikawa C, Ishikawa NF, Yoneda M and Ohkouchi N
- Journal Title
  
  Front. Mar. Sci
  
  Volume: 8:796532 Pages: 796532-796532
- DOI
  10.3389/fmars.2021.796532
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-21K14910, KAKENHI-PROJECT-21H04735, KAKENHI-PROJECT-20H00208, KAKENHI-PROJECT-21H04784, KAKENHI-PROJECT-19H04247
[Journal Article] Stable strontium isotopic compositions of river water, groundwater, and sediments from the Ganges, Brahmaputra and Meghna river system in Bangladesh2021
- Author(s)
  Yoshimura, T., Wakaki, S., Kawahata, H., Hossain, Z., Manaka, T., Suzuki, A., Ishikawa, T. and Ohkouchi, N.
- Journal Title
  
  Frontiers in Earth Science,
  
  Volume: 9 Pages: 1-17
- DOI
  10.3389/feart.2021.592062
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K21908, KAKENHI-PROJECT-18K03814, KAKENHI-PROJECT-18K18793
[Journal Article] Influences of ocean currents on the diets of demersal fish communities in the western North Pacific revealed by their muscle carbon and nitrogen isotopic compositions2021
- Author(s)
  Naoto F Ishikawa, Nanako O Ogawa, Yoshito Chikaraishi, Moto-omi Yamaguchi, Katsunori Fujikura, Yosuke Miyairi, Yusuke Yokoyama, Toshi Nagata, Naohiko Ohkouchi
- Journal Title
  
  Frontiers in Marine Science
  
  Volume: 8 Pages: 465-465
- DOI
  10.3389/fmars.2021.641282
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H02513, KAKENHI-PROJECT-20H00193, KAKENHI-PROJECT-20H00208, KAKENHI-PROJECT-19K22463
[Journal Article] Liquid Chromatographic Isolation of Individual Amino Acids Extracted From Sediments for Radiocarbon Analysis2020
- Author(s)
  Blattmann Thomas M.、Montlucon Daniel B.、Haghipour Negar、Ishikawa Naoto F.、Eglinton Timothy I.
- Journal Title
  
  Frontiers in Marine Science
  
  Volume: 7 Pages: 1-8
- DOI
  10.3389/fmars.2020.00174
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K23475, KAKENHI-PROJECT-18H02513
[Journal Article] Theoretical Amino Acid-Specific Radiocarbon Content in the Environment: Hypotheses to Be Tested and Opportunities to Be Taken2020
- Author(s)
  Blattmann Thomas M.、Ishikawa Naoto F.
- Journal Title
  
  Frontiers in Marine Science
  
  Volume: 7 Pages: 302-302
- DOI
  10.3389/fmars.2020.00302
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H02513, KAKENHI-PROJECT-19K23475
[Journal Article] 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 spectrometry2020
- Author(s)
  Sun Yuchen、Ishikawa Naoto F.、Ogawa Nanako O.、Kawahata Hodaka、Takano Yoshinori、Ohkouchi Naohiko
- Journal Title
  
  Rapid Communications in Mass Spectrometry
  
  Volume: 34 Issue: 20
- DOI
  10.1002/rcm.8885
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H02513, KAKENHI-PROJECT-20H00208, KAKENHI-PROJECT-20H02019
[Journal Article] Combined use of radiocarbon and stable carbon isotopes for the source mixing model in a stream food web.2020
- Author(s)
  Ishikawa, N. F., Finlay, J. C., Uno, H., Ogawa, N. O., Ohkouchi, N., Tayasu, I., and Power, M. E.
- Journal Title
  
  Limnology and Oceanography Letters
  
  Volume: 65 Pages: 2688-2696
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00208
[Journal Article] Tracking long-distance migration of marine fishes using compound-specific stable isotope analysis of amino acids2020
- Author(s)
  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., Tayasu I.
- Journal Title
  
  Ecology Letters
  
  Volume: なし Issue: 5 Pages: 881-890
- DOI
  10.1111/ele.13496
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PLANNED-15H05822, KAKENHI-PROJECT-16H02524, KAKENHI-PROJECT-17J04991, KAKENHI-PROJECT-19J01087, KAKENHI-PROJECT-20K21343, KAKENHI-PROJECT-18H02513, KAKENHI-PROJECT-19H04247, KAKENHI-PROJECT-20H00208, KAKENHI-PROJECT-20H00428, KAKENHI-PROJECT-19K20495
[Journal Article] Combined use of radiocarbon and stable carbon isotopes for the source mixing model in a stream food web2020
- Author(s)
  Ishikawa Naoto F.、Finlay Jacques C.、Uno Hiromi、Ogawa Nanako O.、Ohkouchi Naohiko、Tayasu Ichiro、Power Mary E.
- Journal Title
  
  Limnology and Oceanography
  
  Volume: 65 Issue: 11 Pages: 2688-2696
- DOI
  10.1002/lno.11541
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K22463, KAKENHI-PROJECT-18H02513
[Journal Article] Assessing alpha and beta diversities of benthic macroinvertebrates and their environmental drivers between watersheds with different levels of habitat transformation in Japan2019
- Author(s)
  Ko Chia-Ying、Iwata Tomoya、Lee Jun-Yi、Murakami Aya、Okano Junichi、Ishikawa Naoto F.、Sakai Yoichiro、Tayasu Ichiro、Itoh Masayuki、Song Uhram、Togashi Hiroyuki、Nakano Shinich、Ohte Nobuhito、Okuda Noboru
- Journal Title
  
  Marine and Freshwater Research
  
  Volume: 70 Issue: 4 Pages: 504-504
- DOI
  10.1071/mf18031
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16H05774, KAKENHI-PROJECT-16H02524, KAKENHI-PROJECT-18H02513
[Journal Article] Compound-Specific Radiocarbon Analysis by Elemental Analyzer?Accelerator Mass Spectrometry: Precision and Limitations2019
- Author(s)
  Haghipour N.、Ausin B.、Usman M. O.、Ishikawa N.、Wacker L.、Welte C.、Ueda K.、Eglinton T. I.
- Journal Title
  
  Analytical Chemistry
  
  Volume: 91 Issue: 3 Pages: 2042-2049
- DOI
  10.1021/acs.analchem.8b04491
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K22463, KAKENHI-PROJECT-18H02513
[Journal Article] Radiocarbon age of different photoreactive fractions of freshwater dissolved organic matter2019
- Author(s)
  Ishikawa Naoto F.、Butman David、Raymond Peter A.
- Journal Title
  
  Organic Geochemistry
  
  Volume: 135 Pages: 11-15
- DOI
  10.1016/j.orggeochem.2019.06.006
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K22463, KAKENHI-PROJECT-18H02513
[Journal Article] Improved Method for Isolation and Purification of Underivatized Amino Acids for Radiocarbon Analysis2018
- Author(s)
  Ishikawa Naoto F.、Itahashi Yu、Blattmann Thomas M.、Takano Yoshinori、Ogawa Nanako O.、Yamane Masako、Yokoyama Yusuke、Nagata Toshi、Yoneda Minoru、Haghipour Negar、Eglinton Timothy I.、Ohkouchi Naohiko
- Journal Title
  
  Analytical Chemistry
  
  Volume: 90 Issue: 20 Pages: 12035-12041
- DOI
  10.1021/acs.analchem.8b02693
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K12562, KAKENHI-PROJECT-16H01956, KAKENHI-PROJECT-16H03106, KAKENHI-PROJECT-18H00740, KAKENHI-PROJECT-17H01168, KAKENHI-PROJECT-18H02513
[Journal Article] Use of compound-specific nitrogen isotope analysis of amino acids in trophic ecology: assumptions, applications, and implications2018
- Author(s)
  Ishikawa Naoto F.
- Journal Title
  
  Ecological Research
  
  Volume: 33 Issue: 5 Pages: 825-837
- DOI
  10.1007/s11284-018-1616-y
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18H02513
[Journal Article] Biogeochemical tools for characterizing organic carbon in inland aquatic ecosystems2018
- Author(s)
  McCallister S. L.、Ishikawa N. F.、Kothawala D. N.
- Journal Title
  
  Limnology and Oceanography Letters
  
  Volume: 3 Issue: 6 Pages: 444-457
- DOI
  10.1002/lol2.10097
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H02513
[Journal Article] A new analytical method for determination of the nitrogen isotopic composition of methionine: Its application to aquatic ecosystems with mixed resources.2018
- Author(s)
  Ishikawa NF, Chikaraishi Y, Takano Y, Sasaki Y, Takizawa Y, Tsuchiya M, Tayasu I, Nagata T, Ohkouchi N
- Journal Title
  
  Limnology & Oceanography: Methods
  
  Volume: 16 Issue: 9 Pages: 607-620
- DOI
  10.1002/lom3.10272
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-17K05696, KAKENHI-PROJECT-16H02524, KAKENHI-PROJECT-17K18796, KAKENHI-PROJECT-18H02513
[Journal Article] Global dataset for carbon and nitrogen stable isotope ratios of lotic periphyton2018
- Author(s)
  Ishikawa Naoto F.、Doi Hideyuki、Finlay Jacques C.
- Journal Title
  
  Ecological Research
  
  Volume: 33 Issue: 6 Pages: 1089-1089
- DOI
  10.1007/s11284-018-1623-z
- Peer Reviewed / Open Access / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H02513
[Journal Article] Using food network unfolding to evaluate food-web complexity in terms of biodiversity: theory and applications2018
- Author(s)
  Kato Yoshikazu、Kondoh Michio、Ishikawa Naoto F.、Togashi Hiroyuki、Kohmatsu Yukihiro、Yoshimura Mayumi、Yoshimizu Chikage、Haraguchi Takashi F.、Osada Yutaka、Ohte Nobuhito、Tokuchi Naoko、Okuda Noboru、Miki Takeshi、Tayasu Ichiro
- Journal Title
  
  Ecology Letters
  
  Volume: 21 Issue: 7 Pages: 1065-1074
- DOI
  10.1111/ele.12973
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H02524, KAKENHI-PROJECT-18H02513
[Presentation] 爆弾放射性炭素と葉の博物標本を用いたクロロフィル a 分子への土壌炭素の寄与率推定2025
- Author(s)
  石川尚人, 菅寿美, 小川奈々子, 大河内直彦
- Organizer
  日本生態学会第72回全国大会
- Data Source
  KAKENHI-PROJECT-24K03074
[Presentation] Compound-specific radiocarbon analysis of amino acids and chlorophyll a for biogeochemical research2024
- Author(s)
  Ishikawa NF, Ogawa NO, Suga H, Blattmann TM, Haghipour N, Eglinton TI, Ohkouchi N
- Organizer
  CSRA Workshop, Delmenhorst, Germany
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-24K03074
[Presentation] 統合的栄養位置（iTP）：生態学研究の新しい指標2024
- Author(s)
  石川尚人
- Organizer
  日本生態学会第71回全国大会
- Data Source
  KAKENHI-PROJECT-22K19857
[Presentation] Spatiotemporal variation in integrated trophic positions (iTPs) of marine mesozooplankton communities2023
- Author(s)
  石川尚人, 田所和明
- Organizer
  第70回日本生態学会大会
- Data Source
  KAKENHI-PROJECT-22K19857
[Presentation] Preliminary results for the compound-specific radiocarbon analysis of amino acids in fish muscle2022
- Author(s)
  Naoto F. Ishikawa
- Organizer
  IsoPEG 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K22463
[Presentation] Development and applications of a liquid chromatography method for the compound- and enantiomer-specific stable carbon isotope analysis of amino acids in environmental samples2022
- Author(s)
  Y. Sun, N. F. Ishikawa, N. O.O gawa, Y.Takano, N. Ohkouchi
- Organizer
  Ocean Sciences Meeting 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00208
[Presentation] 宮崎県のツバメ個体群内にみられる性特異的な装飾形質の分岐2022
- Author(s)
  長谷川絵美、長谷川克、由水千景、石川尚人、大河内直彦、陀安一郎
- Organizer
  第12回同位体環境学シンポジウム
- Data Source
  KAKENHI-PROJECT-21H04784
[Presentation] Microbial Reworking of Organic Matter in Marine Sediments Revealed by Carbon Isotopic Compositions of Individual Amino Acids2022
- Author(s)
  Y. Sun, N. F. Ishikawa, N. O. Ogawa, J. Kuroda, Y.Takano, N. Ohkouchi
- Organizer
  日本地球化学会 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00208
[Presentation] Bridging marine biosphere and geosphere using compound-specific radiocarbon analysis of amino acids in fish muscle2022
- Author(s)
  Naoto F. Ishikawa, Thomas M. Blattmann, Negar Haghipour, Nanako O. Ogawa, Timothy I. Eglinton, Naohiko Ohkouchi
- Organizer
  Radiocarbon 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K22463
[Presentation] Biomass pyramids of marine zooplankton communities as inferred from their integrated trophic positions2021
- Author(s)
  *Naoto F. ISHIKAWA（JAMSTEC）, Kazuaki TADOKORO（FRA）, Jun MATSUBAYASHI（Chuo University）, Naohiko OHKOUCHI（JAMSTEC）
- Organizer
  The 68th Annual Meeting of Ecological Society of Japan (ESJ68)
- Data Source
  KAKENHI-PROJECT-18H02513
[Presentation] Development and applications of a liquid chromatography method for the compound- and enantiomer-specific stable carbon isotope analysis of amino acids in environmental samples2021
- Author(s)
  Yuchen Sun, Naoto F. Ishikawa, Thomas M. Blattmann, Nanako O. Ogawa, Hodaka Kawahata, Yoshinori Takano, Naohiko Ohkouchi
- Organizer
  Ocean Science Meeting 2021
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00208
[Presentation] 水晶体の同位体分析による魚類の回遊経路復元手法の開発2021
- Author(s)
  原田洋太，伊藤進一，小川奈々子，吉川千里，石川尚人，大河内直彦
- Organizer
  JpGU 2021
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00208
[Presentation] 温度制御下で飼育したサンゴ骨格中のストロンチウム安定同位体組成2021
- Author(s)
  吉村寿紘、若木重行、鈴木淳、石川剛志、大河内直彦
- Organizer
  日本地球化学会年会
- Data Source
  KAKENHI-PROJECT-19K21908
[Presentation] High-precision compound-specific carbon isotopic analysis of underivatized amino acids using a multidimensional-HPLC and nano-EA/IRMS2020
- Author(s)
  Yuchen Sun, Naoto F. Ishikawa, Nanako O.Ogawa, Hodaka Kawahata, Yoshinori Takano, Naohiko Ohkouchi
- Organizer
  Eauropean Geoscience Union 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20H00208
[Presentation] Analysis of coastal marine ecosystems using radiocarbon and amino acid nitrogen isotopic compositions2020
- Author(s)
  Ishikawa Naoto F., Chikaraishi Yoshito, Ogawa Nanako O., Miyairi Yosuke, Yokoyama Yusuke, Nagata Toshi, Ohkouchi Naohiko
- Organizer
  The 67th Annual Meeting of Ecological Society of Japan (ESJ67)
- Data Source
  KAKENHI-PROJECT-18H02513
[Presentation] Study of aquatic food web based on high-precision stable carbon isotopic measurement of individual amino acids2020
- Author(s)
  Sun Yuchen, Ishikawa Naoto F., Kawahata Hodaka, Ogawa Nanako O., Takano Yoshinori, Ohkouchi Naohiko
- Organizer
  The 67th Annual Meeting of Ecological Society of Japan (ESJ67)
- Data Source
  KAKENHI-PROJECT-18H02513
[Presentation] 食物連鎖に伴う必須金属の動態解析と化石・考古生態への応用に向けた魚類の器官におけるマグネシウム同位体比の差異と栄養段階指標の評価2019
- Author(s)
  吉村寿紘・石川尚人・小川奈々子・日下宗一郎・若木重行・石川剛志・力石嘉人・大河内直彦
- Organizer
  地球環境史学会年会
- Data Source
  KAKENHI-PROJECT-19K21908
[Presentation] Use of radiocarbon and compound-specific isotope analyses for ecological research2019
- Author(s)
  Ishikawa Naoto F.
- Organizer
  International Symposium on Isotope Physiology, Ecology, and Geochemistry 2019 (IsoPEG’19)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H02513
[Presentation] アミノ酸の放射性炭素濃度測定法の開発と生物地球化学研究への応用2019
- Author(s)
  石川尚人, 高野淑識, 小川奈々子, 大河内直彦
- Organizer
  日本生態学会第66回全国大会
- Data Source
  KAKENHI-PROJECT-18H02513

1. Yoshimura Toshihiro (90710070)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
2. Ohkouchi Naohiko (00281832)

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
3. Tayasu Ichiro (80353449)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
4. 日下宗一郎 (70721330)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
5. 菅寿美 (80392942)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. 高津文人 (30514327)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
7. 小川奈々子 (80359174)

# of Collaborated Projects: 1 results

# of Collaborated Products: 6 results
8. 木庭啓介 (90311745)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
9. 松林順 (30756052)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
10. 宇野裕美 (30803499)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
11. 申基チョル (50569283)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 直江将司 (80732247)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 長田穣 (90750084)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
14. 田所和明 (70399575)

# of Collaborated Projects: 1 results

# of Collaborated Products: 3 results
15. 近藤倫生 (30388160)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
16. 高巣裕之 (00774803)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
17. 横山祐典 (10359648)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
18. TSUCHIYA Masashi

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
19. ITOH Masayuki

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
20. OKUDA Noboru

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
21. 板橋悠

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
22. Blattmann Thomas

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
23. 石田卓也

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
24. 杉江恒二

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
25. 伊左治雄太

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
26. 本多牧生

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
27. 金子雅紀

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Ishikawa Naoto 石川 尚人

ISHIKAWA Naoto 石川 尚人

Research Projects

Research Products

Co-Researchers

沿岸域の貧酸素化が窒素によるレガシー (遺産) 汚染の長期化に及ぼす影響の解明

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Compound-specific radiocarbon analysis of amino acids draws a link between biosphere and geospherePrincipal Investigator

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Establishing a revolutionary method for ecosystem monitoring by scooping a cup of waterPrincipal Investigator

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Development of migration history ecology using multi-isoscapes and analysis of tissues having an individual history

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Analysis of Anthropocene with biological archives: A case study in Lake Biwa

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A novel tool for the trophic level of bioessential metals by non-traditioanal stable isotopes

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Using compound-specific radiocarbon clock as a tracer of soil carbon in plant archivesPrincipal Investigator

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Elucidating coastal ecosystem structure using compound-specific isotope analysis of amino acidsPrincipal Investigator

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[Journal Article] Spatiotemporal Variations in Integrated Trophic Positions of Stream Macroinvertebrate Communities2025

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[Journal Article] Distributions of heme B and its implications on Fe biogeochemistry in the eastern Indian Ocean and the western North Pacific Ocean2025

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[Journal Article] Magnesium isotopic variation in marine fish organs2025

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[Journal Article] Divergent ornamentation within a single population of the barn swallow2024

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[Journal Article] Amino acid nitrogen isotopic compositions show seep copepods gain nutrition from host animals2024

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[Journal Article] Dietary partitioning in sympatric Paradoxurinae civets in Borneo suggested by compound-specific nitrogen isotope analysis of amino acids2024

Author(s)

Ishikawa Naoto 石川尚人

ISHIKAWA Naoto 石川尚人