2008 Fiscal Year Final Research Report
Mechanisms of reproduction of dipterocarp trees in tropical rain forest in Southeast Asia
Project/Area Number |
18780116
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Research Category |
Grant-in-Aid for Young Scientists (B)
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Allocation Type | Single-year Grants |
Research Field |
林学・森林工学
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Research Institution | Kochi University |
Principal Investigator |
ICHIE Tomoaki Kochi University, 教育研究部・自然科学系, 准教授 (80403872)
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Project Period (FY) |
2006 – 2008
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Keywords | 森林生態 / 保護 / 保全 / 熱帯雨林 / 一斉開花 / 繁殖 / メカニズム |
Research Abstract |
東南アジア熱帯雨林で優占するフタバガキ科樹種の開花・結実メカニズムに焦点を当てて研究を行った。フタバガキ科の巨大高木Dryobalanops aromaticaは、開花・結実時に樹体内リン濃度が有意に低下した。また、開花・非開花個体の間で樹体内リン濃度に有意な違いがあった。リンは熱帯雨林の土壌で最も制限要因となりやすい栄養塩であるため、樹体内へのリンの蓄積具合がフタバガキ科樹種の繁殖参加を左右する可能性が高い。さらに、人工的に開花誘導因子である乾燥を与える操作実験を行い、D. aromaticaの1個体について開花誘導に成功した。
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Research Products
(30 results)
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[Journal Article] Development of allometric relationships for accurate estimation of above and below-ground biomass in tropical secondary forests in Sarawak2009
Author(s)
Kenzo, T., Ichie. T., Hattori, D., Itioka, T., Handa, C., Ohkubo, T., Kendawang, J.J., Nakamura, M., Sakaguchi, M., Takahasi, N., Okamoto, M., Oda-Tanaka, A., Sakurai, K., Ninomiya, I
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Journal Title
Malaysia. Journal of Tropical Ecology (in press)
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[Journal Article] Photosynthetic water use efficiency in tree crowns of Shorea beccariana and Dryobalanops aromatica in a tropical rain forest in Sarawak2008
Author(s)
Kitahashi, Y., Ichie, T., Maruyama, Y., Kenzo, T., Kitaoka, S, Matsuki, S., Chong, L., Nakashizuka, T. and Koike, T
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Journal Title
East Malaysia. Photosynthetica 46(1)
Pages: 151-155
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[Journal Article] Leaf physiological and morphological responses of seven dipterocarp seedlings to degraded forest environments in Sarawak, Malaysia : A case study of forest rehabilitation practice2007
Author(s)
Kenzo, T., Ichie, T., Ozawa, T., Kashimura, S., Hattori, D., Irino, K. O., Kend wang, J. J., Sakurai, K. and Ninomiya, I
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Journal Title
Tropics 17(1)
Pages: 1-16
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[Journal Article] Modeling CO2 exchange over a Bornean tropical rain forest using measured vertical and horizontal variations in leaf-level physiological parameters and leaf area densities2006
Author(s)
Kumagai, T., Ichie, T., Yoshimura, M., Yamashita, M., Kenzo, T., Saitoh, T. M., Ohashi, M., Suzuki, M., Koike, T. and Komatsu, H
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Journal Title
Journal of Geophysical Research-Atmospheres 111,D10107
Pages: doi:10.1029/2005JD006676
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[Journal Article] Reproductive success and distance to conspecific adults in the sparsely distributed tree Kalopanax pictus2006
Author(s)
Fujimori, N., Samejima, H., Kenta, T., Ichie, T., Shibata, M., Iida, S. and Nakashizuka 、T
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Journal Title
Journal of Plant Research 119(3)
Pages: 195-203
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[Journal Article] Changes in photosynthesis and leaf characteristics with tree height in five dipterocarp species in a tropical rain forest2006
Author(s)
Kenzo, T., Ichie, T., Watanabe, Y., Yoneda, R., Ninomiya, I. and Koike, T
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Journal Title
Tree Physiology 26
Pages: 865-873
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[Journal Article] Accurate estimation of nitrogen concentration in deciduous tree leaves in a field study using a portable non-destructive nitrogen detector2006
Author(s)
Eguchi, N., Ichie, T., Ji, D., Choi, D., Karatsu, K. and Koike, T
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Journal Title
Journal of Plant Physiology 163
Pages: 680-683
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[Presentation] リストラされる共生者〜アリ植物オオバギの成長に伴う共生アリの減少〜2009
Author(s)
半田千尋,田中憲蔵,大久保忠浩,米山仰,中村理志,坂口麻理,高橋成美,岡本真由美, 小田あゆみ,市栄智明,市岡孝朗
Organizer
第56回日本生態学会
Place of Presentation
盛岡
Year and Date
2009-03-18
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