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Development of evaluation protocols on ecological functions of forested catchments for water quality conservation

Research Project

Project/Area Number 18380093
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field 林学・森林工学
Research InstitutionThe University of Tokyo

Principal Investigator

OHTE Nobuhito  The University of Tokyo, 大学院・農学生命科学研究科, 准教授 (10233199)

Co-Investigator(Kenkyū-buntansha) TOKUCHI Naoko  京都大学, フィールド科学教育研究センター, 准教授 (60237071)
SUGIMOTO Atsuko  北海道大学, 大学院・地球環境科学研究院, 教授 (50235892)
KOBA Keisuke  東京農工大学, 大学院・共生科学技術研究院, 准教授 (90311745)
KOYAMA Lina  京都大学, 大学院・情報学研究科, 助手 (50378832)
NAGATA Toshi  京都大学, 生態学研究センター, 教授 (40183892)
TANI Makoto  京都大学, 大学院・農学研究科, 教授 (00314245)
MATSUO Naoko  三重大学, 大学院・生物資源学研究科, 講師 (00423012)
HOTTA Norifumi  東京大学, 大学院・農学生命科学研究科, 助教 (00323478)
KATO Kenji  静岡大学, 大学院・理学研究科, 教授 (70169499)
KATSUYAMA Masanorui  , 総合地球環境学研究所・研究部, 研究員 (40425426)
Project Period (FY) 2006 – 2009
Project Status Completed (Fiscal Year 2009)
Budget Amount *help
¥18,120,000 (Direct Cost: ¥15,000,000、Indirect Cost: ¥3,120,000)
Fiscal Year 2009: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2008: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2007: ¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2006: ¥4,600,000 (Direct Cost: ¥4,600,000)
Keywords森林集水域 / 生態系機能 / 水質浄化機能 / 安定同位体 / 微生物生態学 / 森林流域 / 物質循環
Research Abstract

Achievements of this study are summarized as follows:
(1) By using newly applied novel method for simultaneous measurements of N and O stable isotope ratios of NO_3^- (microbial denitrifier method), contribution and its mechanisms of atmospherically derived NO_3^- in soil nitrogen dynamics were described.
(2) Stable carbon isotope ratio of dissolved organic (DOC) of soil and groundwaters were extensively surveyed, and was able to clarify the mechanisms generating the dissolved organic matter in soil profiles.
(3) A long-term simulation model for nitrogen and carbon discharge from forested watersheds were developed with combining a catchment-scale biogeochemical and hydrological models. Using this model, the ecosystem functions for water quality conservation can be evaluated based on the process model for nutrient cycle in the forest ecosystem.

Report

(6 results)
  • 2009 Annual Research Report   Final Research Report ( PDF )
  • 2008 Annual Research Report   Self-evaluation Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (95 results)

All 2010 2009 2008 2007 2006 Other

All Journal Article (55 results) (of which Peer Reviewed: 17 results) Presentation (22 results) Book (15 results) Remarks (3 results)

  • [Journal Article] Contribution of atmospheric nitrate to stream-water nitrate in Japanese coniferous forests revealed by the oxygen isotope ratio of nitrate2010

    • Author(s)
      Tobari, K. Koba, K. Fukushima, N. Tokuchi, N. Ohte, R. Tateno, S. Toyoda, T. Yoshioka, N. Yoshida
    • Journal Title

      Rapid Communications in Mass Spectrometry (in press)

    • Related Report
      2009 Final Research Report
  • [Journal Article] Hydrological influences on spatiotemporal variations of □^<15>N and □^<18>O of nitrate in a forested headwater catchment in central Japan : Denitrification plays a critical role in groundwater2010

    • Author(s)
      Osaka, K., N. Ohte, K. Koba, C. Yoshimizu, M. Katsuyama, M. Tani, I. Tayasu, T. Nagata
    • Journal Title

      Journal of Geophysical Research (in press)

    • Related Report
      2009 Final Research Report
  • [Journal Article] Seasonal patterns of nitrate discharge from forested catchments : Suggestions based on Japanese case studies2010

    • Author(s)
      Ohte, N., N. Tokuchi, M. Fujimoto
    • Journal Title

      Geography Compass (in press)

    • Related Report
      2009 Final Research Report
  • [Journal Article] Spatial distribution of nitrate sources of rivers in the Lake Biwa watershed, Japan : Controlling factors revealed by nitrogen and oxygen isotope values2010

    • Author(s)
      Ohte, N., I. Tayasu, A. Kohzu, C. Yoshimizu, K. i. Osaka, A. Makabe, K. Koba, N. Yoshida, T. Nagata
    • Journal Title

      Water Resources Research (in press)

    • Related Report
      2009 Final Research Report
  • [Journal Article] NO_3-流出の季節変動を制御する要因2010

    • Author(s)
      大手信人, 徳地直子, 藤本将光
    • Journal Title

      水利科学 (印刷中)

    • Related Report
      2009 Final Research Report
  • [Journal Article] 森林生態系の物質循環にあたえる水文過程の影響 : 窒素流出に着目して2010

    • Author(s)
      大手信人, 徳地直子
    • Journal Title

      土壌物理学会誌 (印刷中)

    • NAID

      130008083637

    • Related Report
      2009 Final Research Report
  • [Journal Article] Spatial distribution of nitrate sources of rivers in the Lake Biwa watershed, Japan : Controlling factors revealed by nitrogen and oxygen isotope values2010

    • Author(s)
      Ohte, N., et al.
    • Journal Title

      Soil Biology and Biochemistry (in press)

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Biomass allocation and nitrogen limitation in a Cryptomeria japonica plantation chronosequence2009

    • Author(s)
      Tateno, R., K. Fukushima, R. Fujimaki, T. Shimamura, M. Ohgi, H. Arai, N. Ohte, N. Tokuchi, T. Yoshioka
    • Journal Title

      Journal of Forest Research 14

      Pages: 276-285

    • NAID

      10029318428

    • Related Report
      2009 Final Research Report
  • [Journal Article] N_2O dynamics in groundwater in a forested ecosystem elucidated by N_2O isotopomer2009

    • Author(s)
      Koba, K., K. Osaka, Y. Tobari, S. Toyoda, N. Ohte, M. Katsuyama, N. Suzuki, M. Itoh, H. Yamagishi, M. Kawasaki, S. Kim, N. Yoshida, T. Nakajima
    • Journal Title

      Geochimica et Cosmochimica Acta (in press)

    • Related Report
      2009 Final Research Report
  • [Journal Article] Applications of a hydro-biogeochemical model and long-term simulations of the effects of logging in forested watersheds2009

    • Author(s)
      Katsuyama, M., H. Shibata, T. Yoshioka, T. Yoshida, A. Ogawa, N. Ohte
    • Journal Title

      Sustainability Science 4

      Pages: 179-188

    • Related Report
      2009 Final Research Report
  • [Journal Article] Elucidation of the relationship between geographic and time sources of stream water using a tracer approach in a headwater catchment2009

    • Author(s)
      Katsuyama, M., N. Kabeya, N. Ohte
    • Journal Title

      Water Resour. Res. 45

    • Related Report
      2009 Final Research Report
  • [Journal Article] Methane flux characteristics in forest soils under an East Asian monsoon climate2009

    • Author(s)
      Itoh, M., N. Ohte, K. Koba
    • Journal Title

      Soil Biology and Biochemistry 41

      Pages: 388-395

    • Related Report
      2009 Final Research Report
  • [Journal Article] Evapotranspiration patterns for tropical rainforests in southeast Asia : A model performance examination of the Biome-BGC Model2009

    • Author(s)
      Chua, F. L. A., M. Suzuki, N. Ohte, N. Hotta, T. Kume
    • Journal Title

      Bulletin of Tokyo University Forests 120

      Pages: 29-44

    • NAID

      120001192666

    • Related Report
      2009 Final Research Report
  • [Journal Article] Spatial patterns of stream solute concentrations in a steep mountainous catchment with a homogeneous landscape2009

    • Author(s)
      Asano, Y., T. Uchida, Y. Mimasu, N. Ohte
    • Journal Title

      Water Resour. Res. 45

    • Related Report
      2009 Final Research Report
  • [Journal Article] 深泥池における水質管理に向けた水質の空間分布の把握2009

    • Author(s)
      嶋村鉄也, 徳地直子, 尾坂兼一, 伊藤雅之, 大手信人, 竹門康弘
    • Journal Title

      保全生態学研究 14

      Pages: 153-163

    • NAID

      110007503406

    • Related Report
      2009 Final Research Report
  • [Journal Article] 土壌-河川-海生態系における溶存有機炭素 (DOC) の動態と機能2009

    • Author(s)
      渡辺彰, 浅川大地, 川東正幸, 大手信人, 長尾誠也, 真家永光, 加藤英孝, 竹中眞
    • Journal Title

      日本土壌肥料学雑誌 80

      Pages: 89-94

    • NAID

      110007503998

    • Related Report
      2009 Final Research Report
  • [Journal Article] Elucidation of the relationship between geographic and time sources of stream water using a tracer approach in a headwater catchment2009

    • Author(s)
      Katsuyama, M., et al.
    • Journal Title

      Water Resources Research 45(W06414,doi:10.1029/2008WR007458)

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Applications of a hydro-biogeochemical model and long-term simulations of the effects of logging in forested watersheds2009

    • Author(s)
      Katsuyama, M., et al.
    • Journal Title

      Sustainability Science 4

      Pages: 179-188

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Methane flux characteristics in forest soils under an East Asian monsoon climate2009

    • Author(s)
      Itoh, M., et al.
    • Journal Title

      Soil Biology and Biochemistry 41

      Pages: 388-395

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Nitrate and phosphate uptake in a temperate forest stream in central Japan2008

    • Author(s)
      Tanio, Y., N. Ohte, M. Fujimoto, R. Sheibly
    • Journal Title

      in From Headwaters to the Ocean : Hydrological Changes and Watershed Managiment, edited by M. Taniguchi, et al., Taylor & Francis Group, London

      Pages: 83-89

    • Related Report
      2009 Final Research Report
  • [Journal Article] Sources, transformations, and hydrological processes that control stream nitrate and dissolved organic matter concentrations during snowmelt in an upland forest2008

    • Author(s)
      Sebestyen, S. D., E. W. Boyer, J. B. Shanley, C. Kendall, D. H. Doctor, G. R. Aiken, N. Ohte
    • Journal Title

      Water Resour. Res. 44

    • Related Report
      2009 Final Research Report
  • [Journal Article] The effect of antecedent moisture condition on storm flow water sources in young forest headwater catchment2008

    • Author(s)
      Oda, T., Y. Asano, N. Ohte, M. Suzuki
    • Journal Title

      in From Headwaters to the Ocean : Hydrological Changes and Watershed Management, edited by M. Taniguchi, et al., Taylor & Francis Group, London

      Pages: 57-62

    • Related Report
      2009 Final Research Report
  • [Journal Article] Hydrological control of dissolved organic carbon dynamics in a forested headwater catchment2008

    • Author(s)
      Kawasaki, M., N. Ohte, N. Kabeya, M. Katsuyama
    • Journal Title

      Kiryu Experimental Watershed, Japan, Hydrological Processes 22

      Pages: 429-442

    • NAID

      130004615110

    • Related Report
      2009 Final Research Report
  • [Journal Article] Denitrification activity and relevant bacteria revealed by nitrite reductase gene fragments in soil of temperate mixed forest2008

    • Author(s)
      Katsuyama, C., N. Kondo, Y. Suwa, T. Yamagishi, M. Itoh, N. Ohte, H. Kimura, K. Nagaosa, K. Kato
    • Journal Title

      Microbes and Environments 23

      Pages: 337-345

    • NAID

      110007005107

    • Related Report
      2009 Final Research Report
  • [Journal Article] Analysis of methane production pathways in a riparian wetland of a temperate forest catchment, using d^<13>C of porewater CH_4 and CO_22008

    • Author(s)
      Itoh, M., N. Ohte, K. Koba, A. Sugimoto, M. Tani
    • Journal Title

      Journal of Geophysical Research 113

    • Related Report
      2009 Final Research Report
  • [Journal Article] Effects of hillslope topography on hydrological responses in a weathered granite mountain2008

    • Author(s)
      Fujimoto, M., N. Ohte, M. Tani
    • Journal Title

      Japan : comparison of the runoff response between the valley-head and the side slope, Hydrological Processes 22

      Pages: 2581-2594

    • Related Report
      2009 Final Research Report
  • [Journal Article] Carbon isotope fractionation of dissolved inorganic carbon (DIC) due to outgassing of carbon dioxide from a headwater stream2008

    • Author(s)
      Doctor, D. H., C. Kendall, S. D. Sebestyen, J. B. Shanley, N. Ohte, E. W. Boyer
    • Journal Title

      Hydrological Processes 22

      Pages: 2410-2423

    • Related Report
      2009 Final Research Report
  • [Journal Article] 森林流域における水銀の動態に関する研究の動向2008

    • Author(s)
      大手信人, 鈴木由起子
    • Journal Title

      地球環境 13

      Pages: 203-209

    • Related Report
      2009 Final Research Report
  • [Journal Article] Hydrological control of dissolved organic carbon dynamics in a forested head water catchment2008

    • Author(s)
      Kawasaki M., Ohte N., Kabeya N.and Katsuyama M.
    • Journal Title

      Hydrological Processes 22

      Pages: 429-442

    • Related Report
      2008 Self-evaluation Report
    • 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 slope2008

    • Author(s)
      Fujimoto M., Ohte N.and Tani M.
    • Journal Title

      Hydrological Processes 22

      Pages: 2581-2594

    • Related Report
      2008 Self-evaluation Report
    • Peer Reviewed
  • [Journal Article] Denitrification activity and relevant bacteria revealed by nitrite reductase gene fragments in soil of temperate mixed forest2008

    • 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

    • NAID

      110007005107

    • Related Report
      2008 Self-evaluation Report
    • Peer Reviewed
  • [Journal Article] Analysis of methane production pathways in a riparian wetland of a temperate forest catchment, using Δ13c of porewater CH4 and CO22008

    • 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.

    • Related Report
      2008 Self-evaluation Report
  • [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 clone2008

    • Author(s)
      Fujimoto M. et al.
    • Journal Title

      Hydrological Processes 22

      Pages: 2581-2584

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Denitrification activity and relevant bacteria revealed by nitrite reductase gene fraaments in soil of temperate mixed forest2008

    • Author(s)
      Katsuyama C. et al.
    • Journal Title

      Microbes and Environments 23

      Pages: 337-345

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Analysis of methane production pathways in a riparian wetland of a temperate forest catchment, using 813C of porewater CH4 and CO22008

    • Author(s)
      Itoh M. et al.
    • Journal Title

      Journal of Geophysical Research 113

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Spatial distribution of nitrate in Mizoro-ga-ike, a pond with floating mat bog2007

    • Author(s)
      Shimamura, T., K. i. Osaka, M. Itoh, N. Ohte, Y. Takemon
    • Journal Title

      Advances in Geosciences 6

      Pages: 129-137

    • Related Report
      2009 Final Research Report
  • [Journal Article] Sources and transport of algae and nutrients in a Californian river in a semi-arid climate2007

    • Author(s)
      Ohte, N., R. A. Dahlgren, S. R. Silva, C. Kendall, C. R. Kratzer, D. H. Doctor
    • Journal Title

      Freshwater Biology 52

      Pages: 2476-2493

    • Related Report
      2009 Final Research Report
  • [Journal Article] Hydrological control of dissolved organic carbon dynamics in a forested head water catchment2007

    • Author(s)
      Kawasaki, M., N. Ohte, N. Kabeya, M. Katsuvama
    • Journal Title

      Hydrological Processes 22

      Pages: 429-442

    • Related Report
      2009 Final Research Report
  • [Journal Article] Estimation of mean residence times of subsurface waters using seasonal variation in deuterium excess in a small headwater catchment in Japan2007

    • Author(s)
      Kabeya, N., M. Katsuvama, M. Kawasaki, N. Ohte, A. Sugimoto
    • Journal Title

      Hydrological Processes 21

      Pages: 308-322

    • Related Report
      2009 Final Research Report
  • [Journal Article] Hydrologic effects on methane dynamics in riparian wetlands in a temperate forest catchment2007

    • Author(s)
      Itoh, M., N. Ohte, K. Koba, M. Katsuvama, K. Hayamizu, M. Tani
    • Journal Title

      Journal of Geophysical Research 112

    • NAID

      120005625651

    • Related Report
      2009 Final Research Report
  • [Journal Article] Hydrologic effects on methane dynamics in riparian wetlands in a temperate forest catchment2007

    • 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

    • NAID

      120005625651

    • Related Report
      2008 Self-evaluation Report
    • Peer Reviewed
  • [Journal Article] Sources and transport of algae and nutrients in a Californian river in a semi-arid climate2007

    • 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.

    • Related Report
      2008 Self-evaluation Report
    • Peer Reviewed
  • [Journal Article] Sources and transport of algae and nutrients in a Californian river in a semi-arid climate2007

    • Author(s)
      Ohte N., et. al.
    • Journal Title

      Freshwater Biology 52(12)

      Pages: 2476-2493

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Hydrological control of dissolved organic carbon dynamics in a fbrested head water catchment2007

    • Author(s)
      Kawasaki M., et. al.
    • Journal Title

      Hydrological Processes 22

      Pages: 429-442

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Estimation of mean residence times of subsurface waters using seasonal variation in deuterium2007

    • Author(s)
      Kabeya N., et. al.
    • Journal Title

      Hydrological Processes 21

      Pages: 308-322

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Hydrologic effects on methane dynamics in riparian wetlands in a temperate forest catchment2007

    • Author(s)
      Itoh, M., Ohte, N., Koba, K., Katsuyama, M., Hayamizu, K., Tani, M.
    • Journal Title

      Journal of Geophysical Research 112

    • NAID

      120005625651

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Hydrologic controls on nitrous oxide production and consumption in a forested headwater catchment in central Japan2006

    • Author(s)
      Osaka, K., N. Ohte, K. Koba, M. Katsuvama, T. Nakajima
    • Journal Title

      Journal of Geophysical Research 111

    • Related Report
      2009 Final Research Report
  • [Journal Article] Impacts of forest defoliation by pine wilt diseases on biogeochemical cycling and streamwater chemistry in a headwater catchment in central Japan, in Advances in Geosciences : Hydrological Sciences, AOGS (Asia Oceania Geosciences Society) publication, edited by N. Park2006

    • Author(s)
      Ohte, N., N. Tokuchi, S. Hobara
    • Journal Title

      World Scientific, Singapore

      Pages: 137-142

    • Related Report
      2009 Final Research Report
  • [Journal Article] 深泥池における水質形成機構2006

    • Author(s)
      嶋村鉄也, 尾坂兼一, 伊藤雅之, 大手信人, 竹門康弘
    • Journal Title

      京都大学防災研究所年報 B49

      Pages: 691-699

    • Related Report
      2009 Final Research Report
  • [Journal Article] 森林生態系の生物地球化学モデル : PnETモデルの適用と課題2006

    • Author(s)
      柴田英昭, 大手信人, 佐藤冬樹, 吉岡崇仁
    • Journal Title

      陸水学雑誌 67

      Pages: 235-244

    • NAID

      10018665168

    • Related Report
      2009 Final Research Report
  • [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

    • NAID

      10018665297

    • Related Report
      2009 Final Research Report 2008 Self-evaluation Report
  • [Journal Article] Hydrologic controls on nitrous oxide production and consumption in a forested headwater catchment in central Japan2006

    • 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

    • Related Report
      2008 Self-evaluation Report
    • Peer Reviewed
  • [Journal Article] Estimation of mean residence times of subsurface waters mean residence times of subsurface waters in a small headwater catchment in Japan2006

    • Author(s)
      Kabeya, N., Katsuyama, M., Kawasaki, M., Ohte,N. and Sugimoto, A.
    • Journal Title

      Hydrological Processes 21

      Pages: 308-322

    • Related Report
      2008 Self-evaluation Report
    • Peer Reviewed
  • [Journal Article] Hydrologic controls on nitrous oxide production and consumption in a forested headwater catchment in central Japan2006

    • Author(s)
      Osaka, K., Ohte, N., Koba, K., Katsuyama, M., Nakajima, T.
    • Journal Title

      Journal of Geophysical Research, 111

    • Related Report
      2006 Annual Research Report
  • [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: 259-266

    • NAID

      10018665297

    • Related Report
      2006 Annual Research Report
  • [Presentation] Analysis on DOC transformation in a forested catchment using stable carbon isotope values2009

    • Author(s)
      Ohte N., et al.
    • Organizer
      American Geophysical Union, Fall meeting
    • Place of Presentation
      San Francisco, USA
    • Year and Date
      2009-12-16
    • Related Report
      2009 Annual Research Report 2009 Final Research Report
  • [Presentation] Oxygen isotope of nitrate indicates how high the gross nitrification was in the forest floor in a temperate forest ecosystem in Japan2009

    • Author(s)
      Ohte N., et al.
    • Organizer
      BIOGEOMON 2009, 6th International Symposium on Ecosystem Behavior
    • Place of Presentation
      Helsinki, Finland
    • Year and Date
      2009-07-01
    • Related Report
      2009 Final Research Report
  • [Presentation] Oxygen isotope of nitrate indicates how high the gross nitrification was in the forest floor in a temperate forest ecosystem in Japan2009

    • Author(s)
      Ohte N., et al.
    • Organizer
      BIOGEOMON 2009, 6^<th> International Symposium on Ecosystem Behavior
    • Place of Presentation
      Helsinki, Finland
    • Year and Date
      2009-07-01
    • Related Report
      2009 Annual Research Report
  • [Presentation] Sources and Transformation of Nitrogen Loads in Rivers of the Lake Biwa Watershed2008

    • Author(s)
      Ohte N., et al.
    • Organizer
      Japan : 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
    • Related Report
      2009 Final Research Report
  • [Presentation] Sources and Transformation of Nitrogen Loads in Rivers of the Lake Biwa Watershed, Japan2008

    • 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
    • Related Report
      2008 Self-evaluation Report
  • [Presentation] Sources ana Tiransiormation of Nitrogen Loads in nivers of tne Lake Biwa Watershed, Japan: Using Dual Measurement of Nitrogen and Oxygen Isotopes of Nitrmate2008

    • Author(s)
      Ohte N. et al.
    • Organizer
      American Geophysical Union, Fall Meeting
    • Place of Presentation
      San Francisco, USA
    • Year and Date
      2008-12-16
    • Related Report
      2008 Annual Research Report
  • [Presentation] In situ isotope signals of nitrate show how high the gross nitrification is in the surface soils in a humid temperate forest in Japan2008

    • 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
    • Related Report
      2009 Final Research Report 2008 Annual Research Report 2008 Self-evaluation Report
  • [Presentation] Oxygen isotope signal of nitrate shows how high the gross nitrification was in the surface soils in a temperate forest in Japan2008

    • Author(s)
      Ohte N., et al.
    • Organizer
      The 4th International Symposium on Isotopomers
    • Place of Presentation
      Tokyo, Japan
    • Year and Date
      2008-10-06
    • Related Report
      2009 Final Research Report
  • [Presentation] Oxygen isotope signal of nitrate shows how high the gross nitrification was in the surface soils in a temperate forest in Japan2008

    • 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
    • Related Report
      2008 Self-evaluation Report
  • [Presentation] Oxygen isotope signal of nitrate shows how high the gross nitrification was in the surface soils in a temperate forest in Japan2008

    • Author(s)
      Ohte N. et al.
    • Organizer
      The 4th International Symposium on Isotopomers, Tokyo, Japan, 4-8
    • Place of Presentation
      Tokyo, Japan
    • Year and Date
      2008-10-06
    • Related Report
      2008 Annual Research Report
  • [Presentation] Carbon discharge through hydrological processes from a temperate forest watershed in the central Japan2008

    • 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
    • Related Report
      2009 Final Research Report
  • [Presentation] Carbon discharge through hydrological processes from a temperate forest watershed in the central Japan2008

    • 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
    • Related Report
      2008 Self-evaluation Report
  • [Presentation] Carbon discharge through hydrological processes from a temperate, forest watershed in the central Japan2008

    • 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
    • Related Report
      2008 Annual Research Report
  • [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
    • Related Report
      2008 Self-evaluation Report
  • [Presentation] 風化花崩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
    • Related Report
      2007 Annual Research Report
  • [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56回日本生態学会福岡大会
    • Place of Presentation
      福岡
    • Year and Date
      2008-03-16
    • Related Report
      2009 Final Research Report 2007 Annual Research Report
  • [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56回日本生態学会福岡大会
    • Place of Presentation
      福岡
    • Year and Date
      2008-03-16
    • Related Report
      2009 Final Research Report 2007 Annual Research Report
  • [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
    • Related Report
      2008 Self-evaluation Report
  • [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
    • Related Report
      2008 Self-evaluation Report
  • [Presentation] In situ isotope signals of nitrate show how high the gross nitrification is in the surface soils in a humid temperate forest in Japan2007

    • Author(s)
      Ohte, N., et al.
    • Organizer
      American Geophysical Union, 2007 Fall Meeting
    • Place of Presentation
      Moscone Center, San Francisco
    • Year and Date
      2007-12-12
    • Related Report
      2009 Final Research Report
  • [Presentation] In situ isotope signals of nitrate show how the gross nitrification was high in the surface soils in a humid temperate forest in Japan2007

    • 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
    • Related Report
      2008 Self-evaluation Report
  • [Presentation] In situ isotope signals of nitrate show how the gross nitrification was high in the surface soils2007

    • Author(s)
      Ohte, N., et. al.
    • Organizer
      American Geophysical Union, 2007 Fall Meeting
    • Place of Presentation
      サンフランシスコ,モスコー
    • Year and Date
      2007-12-12
    • Related Report
      2007 Annual Research Report
  • [Book] 森林からのDOMの流出機構とフラックス,『土壌-河川-海生態系における溶存有機炭素の動態と機能』, 渡辺彰 (土壌肥料学会編)2010

    • Author(s)
      大手信人
    • Publisher
      博友社(印刷中)
    • Related Report
      2009 Final Research Report
  • [Book] Hydrologic controls on the nitrogen dynamics of forested ecosystems investigated using water and nitrate isotope signatures, in Earth, Life and Isotope, edited by N. Ohouchi, et al.2010

    • Author(s)
      Ohte, N., N. Tokuchi, K. Osaka
    • Publisher
      Kyoto University Press(in press)
    • Related Report
      2009 Final Research Report
  • [Book] Simultaneous measurement of nitrogen and oxygen isotopes of nitrate to evaluate nitrogen cycling in rivers, in The Application of Isotope Techniques for Nutrient Cycling and Management in Rivers, edited by B(Newman and M. Ito)2010

    • Author(s)
      Ohte, N., T. Nagata, I. Tayasu, A. Kohzu, C. Yoshimizu, K. Osaka
    • Publisher
      International Atomic Energy Agency(in press)
    • Related Report
      2009 Final Research Report
  • [Book] Simultaneous measurement of nitrogen and oxygen isotopes of nitrate to evaluate nitrogen cycling in rivers. In : The Application of Isotope Techniques for Nutrient Cycling and Management in Rivers.2010

    • Author(s)
      Ohte, N., et al.
    • Publisher
      International Atomic Energy Agency(in press)
    • Related Report
      2009 Annual Research Report
  • [Book] Hydrologic controls on the nitrogen dynamics of forested ecosystems investigated using water and nitrate isotope signatures. In : Earth, Life and Isotope.2010

    • Author(s)
      Ohte, N., et al.
    • Publisher
      Kyoto University Press(in press)
    • Related Report
      2009 Annual Research Report
  • [Book] 分析の自動化・高速化-硝酸塩分析を例に,『流域環境評価と安定同位体』, 永田俊・宮島利宏 (編)2007

    • Author(s)
      由水千景, 大手信人
    • Total Pages
      476
    • Publisher
      京都大学出版会
    • Related Report
      2009 Final Research Report
  • [Book] 水源域における大気降下物としての窒素負荷の評価-降水の同位体比変動-,『流域環境評価と安定同位体』, 永田俊・宮島利宏(編)2007

    • Author(s)
      大手信人
    • Total Pages
      476
    • Publisher
      京都大学学術出版会
    • Related Report
      2009 Final Research Report
  • [Book] 流域の水循環診断への水の安定同位体比利用-降水の同位体比変動-,『流域環境評価と安定同位体』, 永田俊・宮島利宏(編)2007

    • Author(s)
      大手信人
    • Total Pages
      476
    • Publisher
      京都大学出版会
    • Related Report
      2009 Final Research Report
  • [Book] 良質の水の源としての森林,『21世紀の農学第4巻, 森林の再発見』, 太田誠一(編)2007

    • Author(s)
      大手信人
    • Total Pages
      410
    • Publisher
      京都大学学術出版会
    • Related Report
      2009 Final Research Report
  • [Book] 水の動きが支配する森林の物質循環,『森林水文学-森林の水のゆくえを科学する』, 森林水文学編集委員会編2007

    • Author(s)
      大手信人
    • Total Pages
      337
    • Publisher
      森北出版
    • Related Report
      2009 Final Research Report
  • [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
    • Publisher
      森北出版, 東京
    • Related Report
      2008 Self-evaluation Report
  • [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
    • Publisher
      京都大学学術出版会,京都
    • Related Report
      2008 Self-evaluation Report
  • [Book] 生物資源から考える21世紀の農学第4巻森林の再発見第5章良質な水の源としての森林2007

    • Author(s)
      大手 信人
    • Total Pages
      401
    • Publisher
      京都大学学術出版会
    • Related Report
      2007 Annual Research Report
  • [Book] 森林水文学 森林の水のゆくえを科学する 10章 水の動きが支配する森林の物質循環2007

    • Author(s)
      大手 信人
    • Total Pages
      337
    • Publisher
      森北出版
    • Related Report
      2006 Annual Research Report
  • [Book] 森林から河川への炭素と窒素の流出,『地球環境と生態系-陸域生態系の科学』, 武田博清・占部城太郎(編)2006

    • Author(s)
      大手信人, 川崎雅俊, 木平英一, 吉岡崇仁
    • Total Pages
      282
    • Publisher
      共立出版
    • Related Report
      2009 Final Research Report
  • [Remarks] 京都大学桐生試験地のURL

    • URL

      http://www.bluemoon.kais.kyoto-u.ac.jp/kiryu/contents.html

    • Related Report
      2008 Self-evaluation Report
  • [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/

    • Related Report
      2008 Self-evaluation Report
  • [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

    • Related Report
      2008 Self-evaluation Report

URL: 

Published: 2006-04-01   Modified: 2016-04-21  

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