| Project/Area Number |
17380096
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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 | 一般 |
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| Research Field |
林学・森林工学
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| Research Institution | Kyushu University |
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Principal Investigator |
OTSUKI Kyoichi Kyushu University, Faculty of Agriculture, Professor (80183763)
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| Co-Investigator(Kenkyū-buntansha) |
KUMAGAI Tomo'omi Kyushu University, Faculty of Agriculture, Associate Professor (50304770)
ENOKI Tsutomu Kyushu University, Faculty of Agriculture, Associate Professor (10305188)
CHIWA Masaaki Kyushu University, Faculty of Agriculture, Assistant Professor (30380554)
KOMATSU Hikaru Kyushu University, Faculty of Agriculture, Assistant Professor (70432953)
TAKAGI Masahiro Miyazaki University, Faculty of Agriculture, Associate Professor (70315357)
井上 晋 九州大学, 大学院農学研究院, 助教授 (20038342)
村上 拓彦 九州大学, 大学院・農学研究院, 助手 (20332843)
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| Project Period (FY) |
2005 – 2007
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| Project Status |
Completed (Fiscal Year 2007)
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| Budget Amount *help |
¥16,310,000 (Direct Cost: ¥15,200,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2007: ¥4,810,000 (Direct Cost: ¥3,700,000、Indirect Cost: ¥1,110,000)
Fiscal Year 2006: ¥3,300,000 (Direct Cost: ¥3,300,000)
Fiscal Year 2005: ¥8,200,000 (Direct Cost: ¥8,200,000)
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| Keywords | Climate Change / Forest Ecosystem / Forest Dynamics / Hydrological Cycles / Material Cycles / Monitoring / Model / University Forest |
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| Research Abstract |
The object of the research was to establish monitoring and modeling systems of forest dynamics and hydrological and material cycles based on the observations in the four university forests in different climate, and establish the process-based models for evaluating and forecasting the effects of climate changes. Seven monitoring plots for long-term ecological research were set, and the forest data of various forest types were archived by the monitoring using the methods used in the Monitoring 1000 Project of Ministry of Environment Some remote sensing techniques for monitoring forest dynamics were also established. Evapotranspiration process studies based on the sap flow measurement were conducted in various forest stands (Japanese cedar, Japanese cypress, oak, bamboo). Some features of evapotranspiration processes of each forest were obtained, and the guides to measure sap flow for each forest were proposed. By investigating the reported results of long-term water budget and flux measu
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rements, the effects of growth, density and types of forests on the catchment water budget were clarified, and some practical process-based models of evapotranspiration were proposed. The monitoring of hydrological and material cycles was conducted in the serpentinite watershed where these studies were rarely conducted in Japan. The results suggested that the common processes found in other watersheds could not always be applied to the other watershed where the bedrocks were different The results also indicated that the run off process (suspended / soluble) of nitrogen and phosphorus were considerably different depend on the discharge, and proposed the practical models to estimate the discharges of these nutrients. Hydrological process-based model was made, and effects of climate changes on the discharge from the forest catchment in the snowy region were analyzed. Although these results were not fully integrated, many new data, information, techniques, and models obtained in this project will contribute to the researches on global warming. Less
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