2016 - 2020 Microscale stable isotopic analytical technique of CaCO3 by MICAL-IRMS : the new application to the field of geo-bio-environmental sciences
2016 - 2020 Seasonal temperature variability and the timing of the initial Antarctic glaciation across the climate jump at the Eocene/Oligocene boundary
2015 - 2019 Global environmental change reconstruction based on coral skeletal records around Japanese Islands
2014 - 2017 Establishment of novel environmental proxies based on synthetical analysis for DNA, isotopes, and morphology of planktonic foraminiferal single-cell
2014 - 2016 Stable carbon and oxygen isotopic dispersions of individual foraminifera: new proxy to estimate the sea environmental condition precisely
2013 - 2016 Progress of the microscale isotopic analytical technique of carbonate and the development of the new environmental proxy: changes from relative proxy to absolute proxy.
2012 - 2016 Investigations of the stock structure of Pacific bluefin tuna using biologging, mathematical modeling and otolith chemical analysis
2012 - 2014 Exploring photosymbiotic ecology in planktic foraminifers with chamber-by-chamber isotope analyses
2012 - 2014 Development of new reliable environmental proxies for reconstructing bottom-water conditions
2011 - 2013 Reconstruction of sub-bottom section of geologic methane-seep site - variety of seep activity indicated by fossil chemosynthetic communities
2010 - 2012 Evolution of life-history strategy and paleoclimate changes from an geochemical record of a cave-dwelling marine micro-bivalve.
2009 - 2011 Micro-scale stable isotopic analysis of calcareous microfossils to detect new environmental proxies
2009 - 2011 Study on bryozoan skeletons as a new environmental proxy
2006 - 2009 Evolution of chemosynthetic communities since the Cretaceous-with special reference to sub-bottom structure of methane-seepage habitats
Babette Hoogakker, Toyoho Ishimura, Lennart de Nooijer, Anthony Rathburn, Gerhard Schmiedl. A review of benthic foraminiferal oxygen and carbon isotopes. Quaternary Science Reviews. 2024. 342. 108896
Sakamoto, T, Ishimura, T, Matsuura, T, Takahashi, M. Vertical habitat selection of sardine juveniles inferred from oxygen stable isotope of otolith. Fisheries Research. 2024. 278. 107106-107106
Sakamoto, T, Takahashi, M, Shirai, K, Aono, T, Ishimura, T. Fisheries shocks provide an opportunity to reveal multiple recruitment sources of sardine in the Sea of Japan. Scientific Reports,. 2024. 17. 21722
Richirt, J., Okada, S., Ishitani, Y., Uematsu, K., Tame, A., Oda, K., Isobe, N., Ishimura, T., Tsuchiya, M., and Nomaki, H. Composite calcite and opal test in Foraminifera (Rhizaria). Biogeosciences. 2024. 21. 14. 3271-3288
Akizawa, N, Ishimura, T, Yoshikawa, M, Kogiso, T, Ishikawa, A, Mimura, K. Stable carbon and oxygen isotope signatures of mantle-derived calcite in Aitutaki lherzolite xenolith: Implications for organic carbon cycle in the oceanic mantle. Marine Geology. 2024. 475. 107363-107363
Nishida Kozue, Ishimura Toyoho. The development of clumped isotope analytical system of carbonate by IsoPrime with SPICAL2. Abstracts of Annual Meeting of the Geochemical Society of Japan. 2018. 65. 286
Nishida Kozue, Ishimura Toyoho. Stable carbon and oxygen isotopic variations of the international reference calcite for application to grain-scale isotopic analysis. Annual Meeting of the Geological Society of Japan. 2018. 2018. 189
Ishimura Toyoho. Recent progress of microscale stable carbon and oxygen isotopic analysis of carbonate by using MICAL-IRMS. Annual Meeting of the Geological Society of Japan. 2018. 2018. 188
2017 - PSJ Best Article Award: for remarkable article(s) of the fiscal year published in the Paleontological Research Individual migration pathways of modern planktic foraminifers: Chamber-by-chamber assessment of stable isotopes.
2014/04 - MEXT (Ministry of Education, Culture, Sports, Science and Technology), JAPAN The Young Scientists’ Prize
Association Membership(s) (7)：
Cushman Foundation
, American Geophysical Union
, Paleosciences Society
, PALAEONTOLOGICAL SOCIETY OF JAPAN
, JAPAN GEOSCIENCE UNION
, GEOCHEMICAL SOCIETY OF JAPAN
, THE GEOLOGICAL SOCIETY OF JAPAN
