Research paper
Tatsuya Sakamoto, Motomitsu Takahashi, Ming-Tsung Chung, Ryan R. Rykaczewski, Kosei Komatsu, Kotaro Shirai, Toyoho Ishimura, Tomihiko Higuchi (2022). Contrasting life-history responses to climate variability in eastern and western North Pacific sardine populations. Nature Communications, 13:5298. https://doi.org/10.1038/s41467-022-33019-z
Muto, D., Ishimura, T., Takahashi, M., Nishida, K. (2022). Extracting daily isotopic records on fish otolith (Trachurus japonicus) by combining micro‐milling and micro‐scale isotopic analysis (MICAL‐CF‐IRMS). Rapid Communications in Mass Spectrometry, 36(20), p.e9366.
Sakai S, Otsuka T, Matsuda S, Sakairi Y, Uchida R, Sugahara K, Kano A, Yang, D., Sub-nanomolar sensitive stable isotopic determination in CO2 by tunable infrared laser absorption spectroscopy. Analytical Chemistry, https:// doi .org/10.1021/acs.analchem.1c05458 , 2022.
Stephanie Kukolich and David Dettman, Reconstructing Seasonal and Baseline Nitrogen Isotope Ratios in Riverine Particulate Matter Using Freshwater Mussel Shells. Geochemistry, Geophysics, Geosystems, 22, e2020GC009239, https://doi.org/10.1029/2020GC009239, 2021.
Hasegawa, R., Yamaguchi, A., Fukuchi, R., Hamada, Y., Ogawa, N., Kitamura, Y., Kimura, G., Ashi, J. & Ishikawa, T. Postseismic fluid discharge chemically recorded in altered pseudotachylte discovered from an anciant megasplay fault: an example from the Nobeoka Thrust in the Shimanto accretionary complex, SW Japan. Progress in Earth and Planetary Science, 6, doi.org/10.1186/s40645-019-0281-2, 2019.
Nishida, K., Yasu, A., Nanjo, N., Takahashi, M., Kitajima, S., Ishimura, T. Microscale stable carbon and oxygen isotope measurement of individual otoliths of larvae and juveniles of Japanese anchovy and sardine. Estuarine, Coastal and Shelf Science, 245, p.106946, 2020.
Luque, P.L., Sakai, S., Murua, H., Arrizabalaga, H., Protocol for Sampling Sequential Fin Spine Growth Intervals for Isotope Analysis in the Atlantic Bluefin Tuna. Front. Mar. Sci., 17, https://doi.org/10.3389/fmars.2020.588651, 2020.
Kawatsu, M., Tawa, A., Ishihara, T., Uematsu, Y., Sakai S., Discrimination of eastward trans-Pacific migration of the Pacific bluefin tuna Thunnus orientalis through otolith δ13C and δ18O analyses. Marine Biology, 167, 110, 2020.
Ishikawa, T & Ujiie, K. Geochemical analysis unveils frictional melting processes in a subduction zone fault. Geology, 47, 343-346, doi.org/10.1130/G45889.a, 2019.
Sakamoto, T., Komatsu, K., Shirai, K., Higuchi, T., Ishimura, T., Setou, T., Kamimura, Y., Watanabe, C., and Kawabata, A. Combining micro-volume isotope analysis and numerical simulation to reproduce fish migration history. Methods in Ecology and Evolution. DOI: 10.1111/2041-210X.13098, 2019.
Amekawa, S., Kubota, K., Miyairi, Y., Seki, A., Kawakubo, Y., Sakai, S., Ajithprasad, P., Maemoku, H., Osada, T., Fossile otoliths, from the Gulf of Kutch, Western India, as a paleo-archive for the mid- to late-Holocene environment. Quaternary International, doi:10.1016/j.quaint.2015.07.006, 2015.
Kubota, K., Yokoyama, Y., Kawakubo, Y., Seki, A., Sakai, S., Ajithprasad, P., Maemoku, H., Osada, T., Bhattacharya, S. K. Migration history of an ariid Indian catfish reconstructed by otolith Sr/Ca and δ18O micro-analysis. Geochemical Journal, 2015.
Kitamura A., Tada K., Sakai S., Yamamoto N., Ubukata T., Miyaji T., and Kase, T., Age and growth of Glossocardia obesa, a "Large" bivalve in a submarine cave within a coral reef, as revealed by oxygen isotope analysis. The Veliger, 51 (2), 2011.
Sakai, S. & Kodan, T., Micropowder collecting technique for stable isotope analysis of carbonate. Rapid Commun. Mass Spectrom, 25, 1205-1208, 2011.
Watanabe, Y., Matsuoka, H., Sakai, S., Ueda, J., Yamada, M., Ohsawa, S., Kiguchi, M., Satomura, T., Nakai, S., Brahmantyo, B., Khoiril, A., Takahiro, K., Tagami, K., and Yoden, S., Comparison of Stable Isotope Time Series of Stalagmite and Meteorological Data fromWest Java, Indonesia. Palaeogeography, Palaeoclimatology, Palaeoecology, 293, 90-97, 2010.
Yamamoto, N., Sakai, S., and Kitamura, A., Evaluation of the δ18O value of the submarine cavernicolous micro-bivalve Carditell aiejimensis as a proxy for palaeotemperature. Paleontological Research, 279-284, 2009.
Kashiyama Y., Ogawa O.N., Chikaraishi Y., Kashiyama N., Sakai S., Tanabe K., Ohkouchi N., Reconstructing the life history of modern and fossil nautiloids based on the nitrogen isotopic composition of shell organic matter and amino acids. Cephalopods Present and Past, 2009.
Sakai, S., Micromilling technique applied to foraminifer tests for sample preparation of geochemical analysis. Abst. Int. Symp. Froams., 2006.
Suga, H., Isono, R., Tsunogai, S., Sakai, S., Ohkouchi, N., Carbon uptake processes into the bivalve shell based on 13C-controlled culture experiments, 6th International Symposium on Applied Isotope Geochemistry, Prague, Sept 11-16, 2005.
