| Project/Area Number |
26304004
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Partial Multi-year Fund |
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| Section | 海外学術 |
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| Research Field |
Environmental dynamic analysis
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| Research Institution | Forest Research and Management Organization (2015-2017)
Kyoto University (2014) |
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Principal Investigator |
Yoshifuji Natsuko 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 (80514223)
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| Co-Investigator(Kenkyū-buntansha) |
松尾 奈緒子 三重大学, 生物資源学研究科, 講師 (00423012)
田中 延亮 東京大学, 大学院農学生命科学研究科(農学部), 助教 (10323479)
高梨 聡 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 (90423011)
|
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| Co-Investigator(Renkei-kenkyūsha) |
KOSUGI Yoshiko 京都大学, (連合)農学研究科(研究院), 教授 (90293919)
KAMAKURA Mai 京都大学, 農学研究科, 研究員 (40523840)
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| Project Period (FY) |
2014-04-01 – 2018-03-31
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| Project Status |
Completed (Fiscal Year 2017)
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| Budget Amount *help |
¥15,990,000 (Direct Cost: ¥12,300,000、Indirect Cost: ¥3,690,000)
Fiscal Year 2017: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
Fiscal Year 2016: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2015: ¥3,900,000 (Direct Cost: ¥3,000,000、Indirect Cost: ¥900,000)
Fiscal Year 2014: ¥6,370,000 (Direct Cost: ¥4,900,000、Indirect Cost: ¥1,470,000)
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| Keywords | 同位体年輪 / 熱帯雨林 / 熱帯季節林 / 生理的応答 / 熱帯林 / チーク / 木部組織形成 / 内的水利用効率 / 年輪 / 安定同位体 / ガス交換 / 渦相関法 / 形成層 |
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| Outline of Final Research Achievements |
We aimed to investigate how the profiles of tree-ring stable isotope ratios reflect the meteorological conditions and physiological response of trees to meteorological fluctuation in a deciduous tropical seasonal forest and a tropical rainforest. We measured the intra- and inter-annual variations in the stable carbon and oxygen isotope compositions of tree-rings and dated the tree-ring formation. The relationships and the time-lag of the profiles of tree-ring stable isotope ratios with rainfall, soil moisture, and index of physiological response of trees estimated from CO2/H2O exchanges data measured above the canopy were examined.
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