Study on ecosystem functions for water quality conservation in forested catchment and development of those evaluation procedures

2008 Fiscal Year Self-evaluation Report

• Project/Area Number: 18380093
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: 林学・森林工学
• Research Institution: The University of Tokyo
• Principal Investigator: 大手 信人 The University of Tokyo, 大学院・農学生命科学研究科, 准教授 (10233199)
• Project Period (FY): 2006 – 2009

Research Abstract

本研究は、森林流域の水質浄化に関わる生態系機能の解明と評価手法を確立することを目的とする。安定同位体や遺伝子情報に基づく微生物生態学的な手法など先端的な方法を用いて森林小流域における野外観測を行い、観測結果を用いてモデル化を行う。モデルを利用して水質浄化機能の評価手法を提案する。

Research Products

• [Journal Article] Hydrological control of dissolved organic carbon dynamics in a forested head water catchment (2008)
  • Author(s): Kawasaki M., Ohte N., Kabeya N.and Katsuyama M.
  • Journal Title: Hydrological Processes 22 Pages: 429-442
  • Peer Reviewed
• [Journal Article] Effects of hillslope topography on hydrological responses in a weathered granite mountain,Japan : comparison of the runoff response between the valley-head and the side slope (2008)
  • Author(s): Fujimoto M., Ohte N.and Tani M.
  • Journal Title: Hydrological Processes 22 Pages: 2581-2594
  • Peer Reviewed
• [Journal Article] Denitrification activity and relevant bacteria revealed by nitrite reductase gene fragments in soil of temperate mixed forest (2008)
  • Author(s): Katsuyama C., Kondo N., Suwa Y., Yamagishi T., Itoh M., Ohte N., Kimura H., Nagaosa K.& Kato K.
  • Journal Title: Microbes and Environments 23 Pages: 337-345
  • Peer Reviewed
• [Journal Article] Analysis of methane production pathways in a riparian wetland of a temperate forest catchment, using Δ13c of porewater CH4 and CO2 (2008)
  • Author(s): Itoh M., Ohte N., Koba K., Sugimoto A.and Tani M.
  • Journal Title: Journal of Geophysical Research 113 : G03005,doi : 10.1029/ 2007JG000647.
• [Journal Article] Hydrologic effects on methane dynamics in riparian wetlands in a temperate forest catchment (2007)
  • Author(s): Itoh M., Ohte N., Koba K., Katsuyama M., Hayamizu K., Tani M., Hayamizu K. and Tani M.
  • Journal Title: Journal of Geophysical Research 112:G01019, doi : 01010.01029/ 02006JG000240
  • Peer Reviewed
• [Journal Article] Sources and transport of algae and nutrients in a Californian river in a semi-arid climate (2007)
  • Author(s): Ohte N., Dahlgren R. A., Silva S. R., Kendall C., Kratzer C. R.and Doctor D. H.
  • Journal Title: Freshwater Biology 52: 2476-2493 2410.1111/ j.1365- 2427.2007.01849.x.
  • Peer Reviewed
• [Journal Article] 森林流域を対象とする渓流水質予測モデルを構築する際に考慮すべき水文過程の影響について (2006)
  • Author(s): 大手信人
  • Journal Title: 陸水学雑誌 67 Pages: 73-80
• [Journal Article] Hydrologic controls on nitrous oxide production and consumption in a forested headwater catchment in central Japan (2006)
  • Author(s): Osaka, K., Ohte, N., Koba, K., Katsuyama, M., and Nakajima T.
  • Journal Title: Journal of Geophysical Research 111,G01013, doi:10.1029/2005 JG000026
  • Peer Reviewed
• [Journal Article] Estimation of mean residence times of subsurface waters mean residence times of subsurface waters in a small headwater catchment in Japan (2006)
  • Author(s): Kabeya, N., Katsuyama, M., Kawasaki, M., Ohte,N. and Sugimoto, A.
  • Journal Title: Hydrological Processes 21 Pages: 308-322
  • Peer Reviewed
• [Presentation] Sources and Transformation of Nitrogen Loads in Rivers of the Lake Biwa Watershed, Japan (2008)
  • Author(s): Ohte N. et.al.
  • Organizer: Using Dual Measurement of Nitrogen and Oxygen Isotopes of Nitrate,American Geophysical Union, Fall Meeting
  • Place of Presentation: San Francisco, USA
  • Year and Date: 2008-12-16
• [Presentation] In situ isotope signals of nitrate show how high the gross nitrification is in the surface soils in a humid temperate forest in Japan (2008)
  • Author(s): Ohte N., et al.
  • Organizer: The 7th International Symposium for Subsurface Microbiology
  • Place of Presentation: Shizuoka, Japan
  • Year and Date: 2008-11-20
• [Presentation] Oxygen isotope signal of nitrate shows how high the gross nitrification was in the surface soils in a temperate forest in Japan (2008)
  • Author(s): Ohte N. et.al.
  • Organizer: The 4th International Symposium on Isotopomers, Tokyo
  • Place of Presentation: Tokyo,Japan
  • Year and Date: 2008-10-06
• [Presentation] Carbon discharge through hydrological processes from a temperate forest watershed in the central Japan (2008)
  • Author(s): Ohte N. et.al.
  • Organizer: Western Pacific Geophysics Meeting(American Geophysical Union)
  • Place of Presentation: Cairns, Australia
  • Year and Date: 2008-07-30
• [Presentation] 風化花崗岩山地斜面における岩盤地下水の動態 (2008)
  • Author(s): 藤本将光, 谷誠, 大手信人ほか
  • Organizer: 第119回日本森林学会大会
  • Place of Presentation: 東京
  • Year and Date: 2008-03-28
• [Presentation] 炭素安定同位体比を用いた森林集水域における溶存有機態炭素の動態解析 (2008)
  • Author(s): 高橋遥、大手信人、伊藤雅之ほか
  • Organizer: 第55回日本生態学会福岡大会
  • Place of Presentation: 福岡
  • Year and Date: 2008-03-16
• [Presentation] 森林渓流の窒素・リン動態に関する原位置実験 (2008)
  • Author(s): 谷尾陽一, 大手信人ほか
  • Organizer: 第55回日本生態学会福岡大会
  • Place of Presentation: 福岡.
  • Year and Date: 2008-03-16
• [Presentation] In situ isotope signals of nitrate show how the gross nitrification was high in the surface soils in a humid temperate forest in Japan (2007)
  • Author(s): Ohte, N. et.al.
  • Organizer: American Geophysical Union, 2007 Fall Meeting
  • Place of Presentation: San Francisco, USA
  • Year and Date: 2007-12-12
• [Book] 水の動きが支配する森林の物質循環,森林水文学編集委員会『森林水文学-森林の水のゆくえを科学する』 (2007)
  • Author(s): 大手信人
  • Total Pages: 337(212-229)
  • Publisher: 森北出版, 東京
• [Book] 良質の水の源としての森林,太田誠一編『21世紀の農学第4巻,森林の再発見』 (2007)
  • Author(s): 大手信人
  • Total Pages: 410(185-220)
  • Publisher: 京都大学学術出版会,京都
• [Remarks] 京都大学桐生試験地のURL
  • URL: http://www.bluemoon.kais.kyoto-u.ac.jp/kiryu/contents.html
• [Remarks] 京都大学フィールド科学教育研究センター和歌山研究林のURL
  • URL: http://fserc.kais.kyoto-u.ac.jp/waka/
• [Remarks] 東京大学千葉演習林袋山沢試験地のURL
  • URL: http://sabo.fr.a.u-tokyo.ac.jp/misc/FUKURO/Fukuro_Top.htm