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Effect of Sasa cover on the water relation of survived trees on Mt Ohdaigahara needed natural restoration

Research Project

Project/Area Number 18K05725
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 InstitutionMie University

Principal Investigator

KISANUKI HIROMITSU  三重大学, 生物資源学研究科, 教授 (00251421)

Co-Investigator(Kenkyū-buntansha) 熊谷 朝臣  東京大学, 大学院農学生命科学研究科(農学部), 教授 (50304770)
宮沢 良行  九州大学, キャンパス計画室, 助教 (80467943)
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: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2019: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2018: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Keywords大台ヶ原 / トウヒ / ミヤコザサ / 樹液流速 / 防鹿柵 / 蒸散 / トウヒ成木 / ササ / 剥皮率 / 生残木 / 水分生理
Outline of Final Research Achievements

Dense dwarf bamboo would affect negatively on the water relation of survived spruce trees inside the deer-proof fence on Mt Ohdaigahara where the forest had declined due to tree debarking by deer. We estimated the effect of dwarf bamboo removal on the sap flow of spruce trees. Sap flow of spruce were regulated positively by height of tree, debarked ratio, sap area, while removal area of dwarf bamboo seemed not to affect on that.

Academic Significance and Societal Importance of the Research Achievements

樹液流速は,これまで報告されてきた気象要因や樹木サイズに加え,過去に受けたシカによる剥皮の影響を受けていることが明らかになった.また,生残木の樹液流速に対するササ刈り払いの規模の影響が示されたため,柵によって樹木を保護するだけでなく,柵によって繁茂したササを刈り取ることが必要である.このことは,今後の大台ヶ原における自然再生推進計画の参考になると期待される.

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

    (2 results)

All 2021 2020

All Presentation (2 results)

  • [Presentation] 大台ヶ原の防鹿柵内に繁茂したミヤコザサの葉面積指数および樹液流速の季節変化2021

    • Author(s)
      飛岡真歩・宮沢良行・齋藤隆実・熊谷朝臣・木佐貫博光
    • Organizer
      第11回中部森林学会大会(名古屋大学,名古屋市,オンライン)
    • Related Report
      2021 Annual Research Report
  • [Presentation] 大台ヶ原でのニホンジカによる過去の剥皮がトウヒ成木の樹液流速に及ぼす長期的影響2020

    • Author(s)
      木佐貫博光・守屋捺美・岡本榛名・齋藤隆実・宮沢良行・熊谷朝臣
    • Organizer
      第67回日本生態学会大会
    • Related Report
      2019 Research-status Report

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

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