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Dynamic equilibrium of coastal sediment properties : analyses and application for coastal ecosystem management in subtropical islands

Research Project

Project/Area Number 21860066
Research Category

Grant-in-Aid for Research Activity Start-up

Allocation TypeSingle-year Grants
Research Field Civil and environmental engineering
Research InstitutionUniversity of the Ryukyus

Principal Investigator

SAKAMAKI Takashi  University of the Ryukyus, 亜熱帯島嶼科学超域研究推進機構, 特命准教授 (60542074)

Project Period (FY) 2009 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥2,678,000 (Direct Cost: ¥2,060,000、Indirect Cost: ¥618,000)
Fiscal Year 2010: ¥1,274,000 (Direct Cost: ¥980,000、Indirect Cost: ¥294,000)
Fiscal Year 2009: ¥1,404,000 (Direct Cost: ¥1,080,000、Indirect Cost: ¥324,000)
Keywords干潟 / 堆積物 / 同位体分析 / 水理環境 / ベントス / 生物生息環境 / サンゴ礁
Research Abstract

We examined relationships between hydrodynamic conditions and sediment properties in subtropical, coastal soft-bottom habitats, and further proposed a mechanistic model for physical processes responsible for non-linearity of the relationships. We also found that coastal sediment properties reflect watershed environment in estuarine sites at which depositional processes dominantly control sediment properties. Based on our findings, we propose a guideline listing points which managers should take account of to properly manage coastal soft-bottom habitats.

Report

(3 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • Research Products

    (10 results)

All 2011 2010 2009 Other

All Journal Article (7 results) (of which Peer Reviewed: 7 results) Presentation (3 results)

  • [Journal Article] 河口干潟における河川由来有機物の動態と底生動物による利用2011

    • Author(s)
      坂巻隆史
    • Journal Title

      日本生態学会誌 61

      Pages: 63-69

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] 河口干潟における河川由来有機物の動態と底生動物による利用2011

    • Author(s)
      坂巻隆史
    • Journal Title

      日本生態学会誌

      Volume: 61 Pages: 63-69

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 水理観測と同位体分析に基づく干潟底質細粒画分の動態解析-沖縄県大浦川河口における事例-2011

    • Author(s)
      宮平譲、坂巻隆史
    • Journal Title

      土木学会論文集

      Volume: (印刷中)

    • NAID

      130004560195

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Watershed effects on chemical properties of sediment and primary consumption in estuarine tidal flats : importance of watershed size and food selectivity by macrobenthos.2010

    • Author(s)
      T.Sakamaki, J.Y.T Shum, J.S. Richardson
    • Journal Title

      Ecosystems 13

      Pages: 328-337

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] 浅海域における有機物フローに関わる物理・化学過程2009

    • Author(s)
      坂巻隆史、西村修
    • Journal Title

      沿岸海洋研究 47

      Pages: 11-18

    • NAID

      110007611205

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Journal Article] 浅海域における有機物フローに関わる物理・化学過程2009

    • Author(s)
      坂巻隆史, 西村修
    • Journal Title

      沿岸海洋 47

      Pages: 11-18

    • NAID

      110007611205

    • Related Report
      2009 Annual Research Report
    • Peer Reviewed
  • [Journal Article] 水理観測と同位体分析に基づく干潟底質細粒画分の動態解析-沖縄県大浦川河口における事例-

    • Author(s)
      宮平譲、坂巻隆史
    • Journal Title

      土木学会論文集G 印刷中

    • NAID

      130004560195

    • Related Report
      2010 Final Research Report
    • Peer Reviewed
  • [Presentation] 同位体分析に基づく干潟底質細粒画分の動態解析2010

    • Author(s)
      宮平譲、坂巻隆史
    • Organizer
      土木学会第65回年次学術講演会
    • Place of Presentation
      北海道大学
    • Year and Date
      2010-09-01
    • Related Report
      2010 Annual Research Report 2010 Final Research Report
  • [Presentation] 河口域における河川由来有機物の流入と底生動物による利用2010

    • Author(s)
      坂巻隆史
    • Organizer
      日本生態学会第57回大会
    • Place of Presentation
      東京大学
    • Year and Date
      2010-03-18
    • Related Report
      2010 Final Research Report
  • [Presentation] 河口域における河川由来有機物の流入と底生動物による利用2010

    • Author(s)
      坂巻隆史
    • Organizer
      第57回日本生態学会
    • Place of Presentation
      東京大学駒場キャンパス
    • Year and Date
      2010-03-18
    • Related Report
      2009 Annual Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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