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Development of evaluation method for water stress in coastal Japanese black pine.

Research Project

Project/Area Number 23580215
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeMulti-year Fund
Section一般
Research Field Forest science
Research InstitutionHokkaido Research Organization

Principal Investigator

MASAKA Kazuhiko  地方独立行政法人北海道立総合研究機構, 森林研究本部林業試験場, 主査 (60414273)

Project Period (FY) 2011 – 2013
Project Status Completed (Fiscal Year 2013)
Budget Amount *help
¥3,120,000 (Direct Cost: ¥2,400,000、Indirect Cost: ¥720,000)
Fiscal Year 2013: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2012: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000)
Fiscal Year 2011: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywordsクロマツ / 水ストレス / 衰退 / 生理生態 / 針葉 / 国際情報交換 / 多角的評価 / 海岸林
Research Abstract

We compared leaf transpiration rate, leaf nitrogen contents and leaf delta 13C of Pinus thunbergii saplings among flooding, drought and control treatment to evaluate the tolerance to strong water stress.
Leaf delta 13C of drought treatment was singficantly higher than that of control. It implies that stamata tended to be closed not to lose water from needles. On the other hand, leaf transpiration rate of flooding treatment was significantly higher than that of control, and no significant difference was observed in leaf delta 13C. Besides, many saplings died in flooding treatment. Saplings in flooding treatment declined by loss of water due to open stamata, although the saplings sufferred strong water stress.

Report

(4 results)
  • 2013 Annual Research Report   Final Research Report ( PDF )
  • 2012 Research-status Report
  • 2011 Research-status Report
  • Research Products

    (2 results)

All 2012

All Presentation (2 results)

  • [Presentation] 強い水ストレスに曝されたクロマツの生理生態学的な応答2012

    • Author(s)
      真坂一彦、鳥田宏行
    • Organizer
      第61回北方森林学会大会
    • Place of Presentation
      札幌コンベンションセンター
    • Year and Date
      2012-11-13
    • Related Report
      2013 Final Research Report
  • [Presentation] 強い水ストレスに曝されたクロマツの生理生態学的な応答2012

    • Author(s)
      真坂一彦
    • Organizer
      第61回北方森林学会大会
    • Place of Presentation
      札幌市
    • Related Report
      2012 Research-status Report

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Published: 2011-08-05   Modified: 2019-07-29  

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