• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Elucidating effects of drought stress on stem respiration in Japanese cedar trees

Research Project

Project/Area Number 18K05736
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Review Section Basic Section 40010:Forest science-related
Research InstitutionForest Research and Management Organization

Principal Investigator

Masatake Araki  国立研究開発法人森林研究・整備機構, 森林総合研究所, 主任研究員 等 (80353564)

Co-Investigator(Kenkyū-buntansha) 壁谷 大介  国立研究開発法人森林研究・整備機構, 森林総合研究所, 主任研究員 等 (30353650)
阪田 匡司  国立研究開発法人森林研究・整備機構, 森林総合研究所, 主任研究員 等 (50353701)
Project Period (FY) 2018-04-01 – 2022-03-31
Project Status Completed (Fiscal Year 2021)
Budget Amount *help
¥4,290,000 (Direct Cost: ¥3,300,000、Indirect Cost: ¥990,000)
Fiscal Year 2020: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2019: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2018: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywordsスギ / ヒノキ / 乾燥ストレス / 温暖化 / 呼吸 / 蒸散 / 土壌呼吸 / 乾燥 / 樹液流速 / 幹呼吸 / 炭水化物 / CO2放出 / CO2輸送
Outline of Final Research Achievements

We examined effects of soil drought, which was caused by the throughfall exclusion experiment for the consecutive three years, on shoot respiration, transpiration and soil respiration rates in a mature Japanese cedar stand. Transpiration rates and soil respiration rates were reduced in accordance with soil drought. Whereas, shoot respiration rates of cedar trees were not affected by soil drought.
Additionally, we developed a model for predicting stem CO2 efflux of mature Japanese cypress trees by using already obtained data. The model included the process that temperature sensitivity of stem respiration varied with the ambient temperature (temperature acclimation). Predictions by our model demonstrated that the extent of increase in stem CO2 efflux with future warming was reduced by incorporating the temperature acclimation in comparison with a conventional model which assumed constant temperature sensitivity.

Academic Significance and Societal Importance of the Research Achievements

我が国の主要な造林樹種であるスギとヒノキについて、生理学的な観点から乾燥ストレスや気温上昇の影響を明らかにしたことは、気候変動が人工林に及ぼす影響を予測するための炭素収支モデルの精緻化に貢献するとともに、人工林の適応策を考えるうえで有用な知見を提供する。

Report

(5 results)
  • 2021 Annual Research Report   Final Research Report ( PDF )
  • 2020 Research-status Report
  • 2019 Research-status Report
  • 2018 Research-status Report
  • Research Products

    (10 results)

All 2022 2021 2020 2019

All Presentation (9 results) (of which Invited: 1 results) Book (1 results)

  • [Presentation] スギにおける樹幹のCO2放出速度と肥大成長及び樹幹の形態的要素との関係2022

    • Author(s)
      平谷理人、安江恒、荒木眞岳
    • Organizer
      日本森林学会大会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 3年間にわたる土壌の乾燥がスギ成木の蒸散と成長に及ぼす影響2021

    • Author(s)
      荒木眞岳、井上裕太、釣田竜也、阪田匡司、田中憲蔵、川崎達郎、齊藤哲
    • Organizer
      日本森林学会大会
    • Related Report
      2021 Annual Research Report 2020 Research-status Report
  • [Presentation] 降雨遮断によるスギ人工林乾燥処理試験区の土壌水分収支2021

    • Author(s)
      阪田匡司、釣田竜也、荒木眞岳、小林政広
    • Organizer
      日本森林学会大会
    • Related Report
      2021 Annual Research Report 2020 Research-status Report
  • [Presentation] 降雨遮断による強度土壌乾燥試験地の土壌水分観測2021

    • Author(s)
      阪田匡司、釣田竜也、荒木眞岳、飛田博順、小林政広
    • Organizer
      日本土壌肥料学会大会
    • Related Report
      2021 Annual Research Report
  • [Presentation] 降雨遮断を用いた強度な土壌乾燥条件下での土壌呼吸の変化2020

    • Author(s)
      阪田匡司、釣田竜也、荒木眞岳
    • Organizer
      日本土壌肥料学会大会
    • Related Report
      2020 Research-status Report
  • [Presentation] 2生育期間におよぶ降雨遮断をおこなったスギ人工林の土壌水分変動2020

    • Author(s)
      阪田匡司、釣田竜也、荒木眞岳、古澤仁美、小林政広
    • Organizer
      日本森林学会大会
    • Related Report
      2019 Research-status Report
  • [Presentation] スギ・シュートにおける貯蔵炭水化物の時間変動パターン2019

    • Author(s)
      壁谷大介、井上裕太、北岡哲、荒木眞岳
    • Organizer
      日本森林学会大会
    • Related Report
      2018 Research-status Report
  • [Presentation] Temperature acclimation of respiration may mitigate a response of canopy respiration to climate warming,in a hinoki cypress stand2019

    • Author(s)
      荒木眞岳、玉泉幸一郎、梶本卓也
    • Organizer
      日本生態学会
    • Related Report
      2018 Research-status Report
    • Invited
  • [Presentation] 降雨遮断による土壌乾燥処理に伴う土壌水分の挙動2019

    • Author(s)
      阪田匡司、釣田竜也、荒木眞岳、小林政広、古澤仁美
    • Organizer
      日本森林学会大会
    • Related Report
      2018 Research-status Report
  • [Book] 森林学の百科事典2021

    • Author(s)
      (一社)日本森林学会
    • Total Pages
      694
    • Publisher
      丸善出版
    • ISBN
      9784621305843
    • Related Report
      2021 Annual Research Report 2020 Research-status Report

URL: 

Published: 2018-04-23   Modified: 2023-01-30  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi