Ecological study toward the vegetation management based on the dynamic regime theory for shallow lake ecosystem
| Project/Area Number |
22710232
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| Research Category |
Grant-in-Aid for Young Scientists (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Resource conservation science
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| Research Institution | The University of Tokyo |
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Principal Investigator |
NISHIHIRO Jun 東京大学, 大学院・農学生命科学研究科, 助教 (60334330)
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| Project Period (FY) |
2010 – 2012
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| Project Status |
Completed (Fiscal Year 2012)
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| Budget Amount *help |
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2012: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2011: ¥1,040,000 (Direct Cost: ¥800,000、Indirect Cost: ¥240,000)
Fiscal Year 2010: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
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| Keywords | 生物多様性保全 / 生態系管理 / 湖沼 / 植生 / 浮葉植物 / 抽水植物 / 種多様性 / リモートセンシング / レジームシフト / 水質悪化 / 発芽特性 / 土壌シードバンク / 三方湖 / 印旛沼 |
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| Research Abstract |
Ecological mechanism of the formation of large and dense vegetation beds dominated by Trapa japonica, a floating leaved plant, was studied in Lake Mikata, in order to obtain basic knowledge for vegetation management in shallow lakes. Remote sensing analyses revealed that the area of T. japonica bed in Lake Mikata has been increasing since 2006. The distribution of T. japonica beds within the lake was affected by the pattern of seed dispersal and entrance of saline water from a lower lake. Flow regime of tributary rivers can affect both these factors. The importance of the river management on the regime of lake ecosystems was suggested.
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Report
(4 results)
Research Products
(63 results)
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[Journal Article] (2011) A study on seed dispersal by flood flow in an artificially restored floodplain.2012
Author(s)
Hayashi, H., Shimatani, Y., Shigematsu, K., Nishihiro, J., Ikematsu, S. andKawaguchi, Y.
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Journal Title
Landscape and Ecosytem Engineering.
Volume: 8
Issue: 2
Pages: 129-143
DOI
Related Report
Peer Reviewed
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[Presentation] Biodiversity monitoring in inland waters from satellite remote sensing -mapping impervious surface areas and macrophyte distribution.2012
Author(s)
Oyama, Y., Yang, F., Matsushita, B., Fukushima, T., Nishihiro, J. and Takamura, N.
Organizer
The 5th GEOSS Asia-Pacific Symposium.
Place of Presentation
Tokyo, Japan
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