研究者情報 （独立行政法人農業環境技術研究所）

2011年4月現在

氏名

和穎　朗太　（わがい ろうた）　WAGAI, Rota

所属・職名

物質循環研究領域　任期付き研究員

現在の研究内容

• 土壌有機物の安定化と団粒構造の関係（JSPS次世代・最先端プログラム「地球炭素循環のカギを握る土壌炭素安定化：ナノ〜ミリメートル土壌団粒の実体解明」）
• 地球温暖化および農地管理が土壌有機物の分解・蓄積へ及ぼす影響
• 生態系における土壌の機能（生元素循環、微生物生態、有機・無機相互作用）

連絡先

Phone: 029-838-8327 　Fax: 029-838-8199
E-mail : rota@afffrc.go.jp

ＲｅａＤ研究者ＤＢ

http://jglobal.jst.go.jp/detail.php?JGLOBAL_ID=200901013547742276

履歴

業績

（原著論文）

• Wagai, R., K. Kitayama, T. Satomura, R. Fujinuma, and T.C. Balser (2011) Interactive influences of climate and parent material on soil microbial community structure in Bornean tropical forest ecosystems. Ecological Research 26: 627–636.
• Sollins, P., M.G. Kramer, C. Swanston, K. Lajtha, T. Filley, A.K. Aufdenkampe, R. Wagai, and R.D. Bowden (2009) Organic C and N stabilization across soils of contrasting mineralogy: further evidence from sequential density fractionation. Biogeochemistry 96:209-231.
• Moritz, L.K., C. Liang, R. Wagai, K. Kitayama, and T.C. Balser (2009) Vertical distribution and accumulation of microbial residues in tropical forest soils formed from distinct parent materials. Biogeochemistry 92:83-94.
• Wagai, R., L.M. Mayer, and K. Kitayama (2009) Nature of “occluded” low-density fraction in soil organic matter studies: a critical review. Soil Science and Plant Nutrition 55: 13-25.
• Wagai, R., L.M. Mayer, and K. Kitayama (2009) Extent and nature of organic coverage of soil mineral surfaces assessed by a gas sorption approach. Geoderma 149: 152-160.
• Ushio, M., R. Wagai, T. Balser, and K. Kitayama (2008) Variations in the soil microbial community composition of a tropical montane forest ecosystem : does tree species matter? Soil Biology and Biochemistry 40: 2699-2702.
• Wagai, R., L.M. Mayer, K. Kitayama, and H. Knicker (2008) Climate and parent material controls on organic matter storage in surface soils: A three-pool, density-separation approach. Geoderma 147: 23-33.
• Wagai, R. and L.M. Mayer (2007) Significance of hydrous iron oxides for sorptive stabilization of organic carbon in a range of soils. Geochimica et Cosmochimica Acta 71: 25-35.
• Mayer, L.M., L.L. Schick, K. Hardy, R. Wagai, and J.F. McCarthy (2004) Organic matter content of small mesopores in sediments and soils. Geochimica et Cosmochimica Acta 68: 3863-3872.
• Kitayama, K., S. Aiba, M. Takyu, N. Majalap-Lee, and R. Wagai (2004) Soil phosphorus fractionation and phosphorus-use efficiency of a Bornean tropical montane rain forest during soil ageing with podozolization. Ecosystems 7:259-274.
• 和穎朗太・Phillip Sollins (2002)　森林土壌の炭素動態における土壌中水溶性有機炭素の役割：微生物による二酸化炭素生産との関係　日本生態学会誌52：111-117
• Wagai, R. and P. Sollins (2002) Biodegradation and regeneration of water-soluble organic carbon in a forest soil: leaching column study. Biology and Fertility of Soils 35:18-26.
• Ohno, T., M.Y. Horesh, K. Merritt, and R. Wagai (2002) Calcium and pH effects on salicylic acid phytotoxicity. Allelopathy Journal 9: 19-25.
• Norton, S., R. Wagai, T. Navratil, J.M. Kaste, and F.A. Rissberger (2000) Response of a first-order stream in Maine to short-term in-situ acidification. Hydrology and Earth System Sciences 4: 383-391.
• Wagai, R., K. Brye, S.T. Gower, J.M. Norman, and L. Bundy (1998) Land use and environmental factors influencing soil surface CO₂ flux and microbial biomass in natural and managed ecosystems in southern Wisconsin. Soil Biology and Biochemistry 30: 1501-1509.