OHTA, Seiichi

Division：Faculty Gruduate School og Agriculture Professor
Main Research:Initiative 3 "The Forestry Model of Sustainable Humanosphere"
Project Title：Research Subject: Dynamics of nutrients and green house effect gases (GHGs) in tropical Acacia plantation

Research Theme：　
 

1. Sustainability evaluation of tropical Acacia plantation from nutrients cycling
2. Estimation of GHGs emission from Acacia soil and its mitigation
3. Analysis of factors controlling the mixed distribution of different forest types in Tropical seasonal forests

References：　
 

• Yamashita N, Ohta S. and Hardjono A.: Soil change induced by Acacia mangium plantation establishment: Comparison with secondary forest and Imperata cylindrica grassland soils in South Sumatra, Indonesia. Forest Ecology and Management (in press)
• Toriyama J., Ohta S., Araki M., Kanzaki M., Khorn S., Pith P. Lim S. and Pol S.: Comparison of soil physical properties in evergreen and deciduous forests in central Cambodia. J. Forest Research (in press)

2009  Research Outcome: 

List of Academic Presentations during 2009: 

2010  Research Outcome:

• Konda R., Ohta S., Ishizuka S., Heriyanto J, and Wicaksono A. (2010) Spatial-temporal variabilities of N2O emission from Acacia mangium soils, Proceedings of 19th World Congress of Soil Science, 1-6 August 2010, Brisbane, Australia

List of Academic Presentations during 2010: 

2011 G-COE Research Outcome:

• Nishimura S., Yoneda T., Fujii S., Mukhtar E., Kanzaki M. and Ohta S. (2011) Sprouting traits of Fagaceae species in a hill dipterocarp forest, Ulu Gadat, West Sumatra. Journal of Topical Ecology, 27, 107-110
• Hagiwara Y., Osono T., Ohta S., Agus W. and Hardjono A. (2011) Colonization and decomposition of leaf litter by ligninolytic fungi in Acacia mangium plantations and adjacent secondary forests. Journal of Forest Research, DOI 10.1007/s10310-001-0265-6
• Troriyama J., Ohta S., Ohnuku Y., Ito E., Kanzaki M., Araki M., Chann S., Tith B., Keth S., Hirai K. and Kiyono Y. (2011) Carbon Stock in Cambodian Monsoon Forests. JARQ 45 (3), 309 - 316
• Yamashita N., Ohta S., Sase H., Kievuttinon B., Luangjame J., Visaratana T. and Garivait H. (2011) Sesonal changes in multi-scale spatial structure of soil pH and related parameters along a tropical evrgreen forest slope. Geoderma,165, 31-39

List of Academic Presentations during 2011: