Interacting effect of habitat and conspecific density on maintenance of tree diversity of in tropical forest
| Project/Area Number |
20405011
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 海外学術 |
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| Research Field |
Ecology/Environment
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| Research Institution | Osaka City University |
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Principal Investigator |
ITOH Akira 大阪市立大学, 大学院・理学研究科, 教授 (40274344)
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| Co-Investigator(Kenkyū-buntansha) |
NANAMI Satoshi 大阪市立大学, 大学院・理学研究科, 准教授 (70326247)
HARADA Koh 愛媛大学, 農学部, 教授 (40150396)
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| Co-Investigator(Renkei-kenkyūsha) |
YAMAKURA Takuo 大阪市立大学, 大学院・理学研究科, 特任教授 (10089956)
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| Project Period (FY) |
2008 – 2011
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| Project Status |
Completed (Fiscal Year 2011)
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| Budget Amount *help |
¥16,900,000 (Direct Cost: ¥13,000,000、Indirect Cost: ¥3,900,000)
Fiscal Year 2011: ¥4,160,000 (Direct Cost: ¥3,200,000、Indirect Cost: ¥960,000)
Fiscal Year 2010: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2009: ¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2008: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000)
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| Keywords | 生態学 / 植物 / 熱帯林 / 多様性 / 進化 / ボルネオ / 国際研究者交流 / マレーシア / 熱帯雨林 / ハビタット分化 / 同種密度依存的死亡 / 種多様性 / フタバガキ / サラワク |
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| Research Abstract |
Roles of habitat divergence and conspecific density effects on maintenance of tree diversity of a Bornean forest were studied with a long-term forest dynamics plot and a field experiment. Based on the long-term dynamics data, we found an interacting effect between species' habitat and conspecific density on tree mortality rate. A reciprocal seedling planting field experiment revealed that there were complex interactions among species, conspecific density and soils in mortality and leaf herbivory of seedlings. This study suggested importance of the interacting effects between habitat and conspecific density in maintenance of tree diversity of tropical rain forests.
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Report
(6 results)
Research Products
(50 results)
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[Journal Article] Demographic history of Shroea curtisii (Dipterocarpaceae) inferred from chloroplast DNA sequence variations2011
Author(s)
Kamiya K., Nanami S., Tanaka K., Yoneda R., Diway B., Chong L., Azani M., Majid N., Lum S., Wong K., Harada K.
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Journal Title
Biotropica
Volume: (印刷中)
Issue: 5
Pages: 577-585
DOI
Related Report
Peer Reviewed
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[Presentation] Effects of habitat and conspecific density on tropical tree seedlings : results of a transplantation experiment2012
Author(s)
Itoh, A., Miyazaki S., Matsuyama, S., Nanami, S., T. Yamakura, Tan, S., Chong, L
Organizer
ATBC Asia-Pacific Chapter Annual Meeting
Place of Presentation
シーサンパンナン熱帯植物園(中国)
Year and Date
2012-03-27
Related Report
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[Presentation] Spatial distribution patterns of reproduction in dipterocarp trees in a tropical rainforest, Sarawak2010
Author(s)
Nanami S, Tan S, Itoh A, Harata T, Yamakura T, Daway B, Lucy C
Organizer
Sarawak, Malaysia, Annual Meeting of Association for Tropical Biology and Conservation
Place of Presentation
Sanur, Indonesia
Year and Date
2010-07-22
Related Report
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[Presentation] Spatial distribution patterns of reproduction in dipterocarp trees in a tropical rainforest, Sarawak, Malaysia2010
Author(s)
Nanami S, Tan S, Itoh A, Harata T, Yamakura T, Daway B, Lucy C.
Organizer
Annual Meeting of Association for Tropical Biology and Conservation, Asia-Pacific Chapter
Place of Presentation
Sanur,インドネシア
Year and Date
2010-07-22
Related Report
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[Presentation] Spatial genetic structure of ten dipterocarp species in a tropical rainforest, Sarawak, Malaysia2010
Author(s)
Harata T, Nanami S, Tan S, Itoh A, Yamakura T, Diway B, Lucy C.
Organizer
Annual Meeting of Association for Tropical Biology and Conservation, Asia-Pacific Chapter
Place of Presentation
Sanur,インドネシア
Year and Date
2010-07-22
Related Report
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