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Initial responses of nutrient cycling and biodiversity to a large-scale N fertilization in a carbon flux monitoring site.

Research Project

Project/Area Number 25292079
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypePartial Multi-year Fund
Section一般
Research Field Forest science
Research InstitutionHokkaido University

Principal Investigator

HIURA Tsutom  北海道大学, 北方生物圏フィールド科学センター, 教授 (70250496)

Co-Investigator(Kenkyū-buntansha) TOKUCHI Naoko  京都大学, フィールドセンター, 教授 (60237071)
MIYAZAKI Yuko  岡山大学, 理学部, 准教授 (20443583)
Co-Investigator(Renkei-kenkyūsha) NAKAJI Tatsuro  北海道大学, 北方生物圏フィールド科学センター, 准教授 (40391130)
KATAYAMA Ayumi  九州大学, 農学部附属演習林, 助教 (70706845)
MAKITA Naoki  国立研究開発法人 森林総合研究所, 関西支所, 特別研究員(PD) (40723086)
NAKAMURA Masahiro  北海道大学, 北方生物圏フィールド科学センター, 准教授 (80545624)
Research Collaborator Lee Jin  北海道大学, 環境科学院, 博士課程大学院生
Project Period (FY) 2013-04-01 – 2016-03-31
Project Status Completed (Fiscal Year 2015)
Budget Amount *help
¥17,030,000 (Direct Cost: ¥13,100,000、Indirect Cost: ¥3,930,000)
Fiscal Year 2015: ¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2014: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2013: ¥7,410,000 (Direct Cost: ¥5,700,000、Indirect Cost: ¥1,710,000)
Keywords窒素負荷 / 冷温帯落葉広葉樹林 / リン / 植食性昆虫 / 炭素動態 / 繁殖量 / 窒素付加 / 物質循環 / 植食者 / 炭素フラックス / 開花結実 / 土壌呼吸 / リモートセンシング
Outline of Final Research Achievements

We revealed the initial response of below-ground carbon dynamics, N and P dynamics, reproduction of trees, and herbivory by insects to N deposition in a cool temperate forest ecosystem. We fertilized 10 ha in area, and established 9 ha control site during 3 years in a secondary deciduous broad-leaved forest of Tomakomai Experimental Forest, Hokkaido University.
Biomass of fine roots, soil respiration rates, and phosphoric acids were increased by N fertilization. Reproductive organs of some tree species were tended to increase by the manipulation. Leaf traits of oak and alder species were altered but herbivory rates were not changed in the second year after treatment. In third year, diversity of herbivory insects decreased in the fertilized site.

Report

(4 results)
  • 2015 Annual Research Report   Final Research Report ( PDF )
  • 2014 Annual Research Report
  • 2013 Annual Research Report
  • Research Products

    (12 results)

All 2016 2015 2014 Other

All Presentation (11 results) (of which Invited: 1 results) Book (1 results)

  • [Presentation] The effect of N fertilization on the interaction between plant and insect across tree diversity gradients.2016

    • Author(s)
      Lee,J., Nakamura, M., and Hiura, T.
    • Organizer
      Proceedings of ESJ63
    • Place of Presentation
      仙台区国際センター(宮城県仙台市)
    • Year and Date
      2016-03-24
    • Related Report
      2015 Annual Research Report
  • [Presentation] 窒素施肥により落葉広葉樹林の土壌呼吸および地下部炭素動態はどう変化するのか?2016

    • Author(s)
      片山歩美・牧田直樹・高木理恵・李眞・安宅未央子・中路達郎・日浦勉
    • Organizer
      第63回日本生態学会大会
    • Place of Presentation
      仙台国際センター(宮城県仙台市)
    • Year and Date
      2016-03-22
    • Related Report
      2015 Annual Research Report
  • [Presentation] 窒素施肥が樹木の繁殖へ与える影響.2015

    • Author(s)
      宮崎祐子,金原悠紀,李真,長田典之,中路達郎,日浦勉
    • Organizer
      日本森林学会大会
    • Place of Presentation
      北海道大学(北海道札幌市)
    • Year and Date
      2015-03-28
    • Related Report
      2014 Annual Research Report
  • [Presentation] 樹木細根系の窒素負荷への応答性:呼吸・窒素含有量・形態特性は変化するのか?2015

    • Author(s)
      高木理恵・牧田直樹・中路達郎・片山歩美・小杉緑子・日浦勉
    • Organizer
      日本森林学会大会
    • Place of Presentation
      北海道大学(北海道札幌市)
    • Year and Date
      2015-03-27
    • Related Report
      2014 Annual Research Report
  • [Presentation] The effects of N addition on the interaction between trees and herbivore insects.2015

    • Author(s)
      Lee, J., Nakamura, M., Hiura, T.
    • Organizer
      第62回日本生態学会大会
    • Place of Presentation
      鹿児島大学(鹿児島市)
    • Year and Date
      2015-03-19
    • Related Report
      2014 Annual Research Report
  • [Presentation] 苫小牧研究林におけるこれまでの森林-大気相互作用研究2014

    • Author(s)
      日浦勉
    • Organizer
      寒冷圏陸域植生と大気微粒子・気体成分を介した大気環境の相互作用(低温科学研究所 平成26年度共同利用研究集会)
    • Place of Presentation
      北海道大学低温科学研究所(北海道札幌市)
    • Year and Date
      2014-12-04
    • Related Report
      2014 Annual Research Report
    • Invited
  • [Presentation] Early-stage nitrogen addition dose not alter relationship between fine root respiration and morphology in cool-temperate forest.2014

    • Author(s)
      Rie TAKAGI, Naoki MAKITA, Tatsuro NAKAJI Ayumi KATAYAMA, Yoshiko KOSUGI, Tsutom HIURA
    • Organizer
      第6回国際樹木根会議
    • Place of Presentation
      名古屋大学(名古屋市)
    • Year and Date
      2014-09-10
    • Related Report
      2014 Annual Research Report
  • [Presentation] The effects of N addition on the interaction between leaf traits and herbivore insects.

    • Author(s)
      Lee, J., Nakamura, M., Hiura, T.
    • Organizer
      Proceedings of ESJ61
    • Place of Presentation
      広島国際会議場(広島市)
    • Related Report
      2013 Annual Research Report
  • [Presentation] 連続分光反射率を用いた葉形質の季節変化の評価

    • Author(s)
      中路達郎・小熊宏之・日浦勉
    • Organizer
      第61回日本生態学会
    • Place of Presentation
      広島国際会議場(広島市)
    • Related Report
      2013 Annual Research Report
  • [Presentation] 樹木根圏の可視-近赤外反射スペクトルと炭素動態の関係

    • Author(s)
      中路達郎・高木理恵・牧田直樹・日浦勉
    • Organizer
      第125回日本森林学会大会
    • Place of Presentation
      大宮ソニックシティ(さいたま市)
    • Related Report
      2013 Annual Research Report
  • [Presentation] 落葉広葉樹林への大規模窒素施肥が細根系の呼吸速度及びその形態特性に与える影響の解明

    • Author(s)
      高木理恵・牧田直樹・中路達郎・片山歩美・小杉緑子・日浦勉
    • Organizer
      第125回日本森林学会大会
    • Place of Presentation
      大宮ソニックシティ(さいたま市)
    • Related Report
      2013 Annual Research Report
  • [Book] 寺島一郎・西廣淳他編「植物学の百科事典」 長期観測の意義2016

    • Author(s)
      日浦勉
    • Publisher
      丸善出版
    • Related Report
      2015 Annual Research Report

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Published: 2013-05-21   Modified: 2020-05-11  

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