- 2024 - 2027 革新的デジタル技術で拓く新生代の低次生態系多様性進化
- 2020 - 2023 The role of geodiversity in development of biodiversity in mountain regions
- 2017 - 2021 Investigations of causal relationship of lake deepening to increase in diatom cell size
- 2017 - 2020 The role of geodiversity in biodiversity development in and around high mountain ponds
- 2016 - 2019 Estimation of geographic origin based on elementary analysis
- 2016 - 2019 International river environment education combining simulation with samples from different times and areas
- 2014 - 2017 Cretaceous diatom assemblage from northern Hokkaido as the oldest fossil reccord in Japan
- 2011 - 2015 The morphological, DNA, and dietary analyses in numerous human skeletal remains excavated form the Hokuriku and Kyusyu areas.
- 2009 - 2014 High-resolution environmental reconstruction for the Pacific civilizations using annually laminated lake sediments
- 2011 - 2013 Morphological variability through speciation : A case of a marine planktonic diatom genus Neodenticula
- 2009 - 2011 Study of flow-and depositional-models of sediment-gravity flow in verved sediment and their control factors
- 2006 - 2010 Environmental Annual History and Rise and Fall of the Rice-Culltivating and Fishing Civilization by the Annual Study of Laminated Sediments
- 2003 - 2005 第三紀の日本海拡大にともなう古環境変動と珪藻の適応戦略
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