- 2021 - 2024 植物の土壌リン獲得シンドロームの解明と新たな陸域生態系リン循環モデルの構築
- 2019 - 2024 西太平洋湿潤林における針葉樹の優占メカニズム:気候・土壌条件・光競争に基づく解明
- 2018 - 2024 Diversification of tropical rain forest ecosystems as consequences of asymmetric tree adaptations to nitrogen vs. phosphorus deficiencies
- 2017 - 2021 Influences of the deposition of volcanic tephra on the phosphorus cycling of forest ecosystems
- 2014 - 2018 Gereralization of pedological factors controlling soil-to-plant transfer of radiocesium
- 2012 - 2017 Large-scale inventory work for the clarification of diversity and biogeographical and ecological community divertification of canopy plants in Southeast Asia
- 2015 - 2017 Principles underlying the diversity of plant traits(Fostering Joint International Research)
- 2014 - 2016 Development of ecological research on silicon utilisation by tropical tree species
- 2011 - 2016 Mechanisms of conifer dominance in tropical forests: life history, hydraulics and soil nutrition
- 2010 - 2016 Formation of forest lines on tropical high mountains as affected by the Walker Circulation
- 2009 - 2010 衛星データを用いたボルネオ熱帯降雨林生態系サービスの評価
- 2007 - 2010 The formation of localized soil microbial communities in relation to dissolved soil polyphenols in a species-diverse forest ecosystem
- 2006 - 2010 Phosphorus control of Bornean tropical rain forests : bottom-up effects on the ecosystem and plant adaptations
- 2003 - 2006 Ecological Wood Anatomy of Tropical trees
- 2003 - 2006 Ecosystem ecology of the polyphenols that link herbivory defense with a detritus food chain in a forest
- 2002 - 2004 Tradeoff and diversity of leaf/shoot traits among plant life forms in nonseasonal environment
- 2001 - 2004 Investigation of the relationships between tree-specdes diversity and the functions of tropical rain forests
- 1999 - 2001 Leaf turn-over rate of forest trees in tropical mountain forests
- 1997 - 2001 An integrated study on biodiversity conservation under global change and bio-inventory management system
- 1998 - 1998 Ecosystem response on different altitudes to golbal change
- 1996 - 1998 Leaf phenology of trees in the humid tropical mountains.
Show all