2009 Fiscal Year Final Research Report
Development of roof greening technology by wild plants growing on the coastal Ryukyu limestone to moderate heat island phenomenon
| Project/Area Number |
19580175
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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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 | University of the Ryukyus |
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Principal Investigator |
SHINZATO Takakazu University of the Ryukyus, 農学部, 教授 (50045118)
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| Co-Investigator(Kenkyū-buntansha) |
INOUE Shoji 琉球大学, 農学部, 教授 (30142342)
AKAMINE Hikaru 琉球大学, 農学部, 准教授 (90244293)
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| Co-Investigator(Renkei-kenkyūsha) |
KINJOU Kazutoshi 琉球大学, 農学部, 技術補佐員
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| Project Period (FY) |
2007 – 2009
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| Keywords | 気温上昇 / 環境緩和 / 琉球石灰岩 / 沿岸植物 / 植栽基盤 |
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| Research Abstract |
We investigated a flora and vegetation on the coastal Ryukyu limestone, properties of bedrock, planting method of appropriate plant, scenery and present roof greening situation in Okinawa for developing a roof greening technology to moderate heat island phenomenon. The plants were classified into five groups considering life form, and they were also classified into five groups considering dominance/group degree through functionality and characteristics for practical uses. The base soil derived from limestone contains calcium, and the soil properties were strongly influenced by the vegetation. Among different species, Zoysia matrella var. pacifica showed a small growth difference between seasons, and the whole surface greening was more effective in temperature relaxation. A general study including the views and the sensory of human beings for the roof greening is expected in future.
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