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A new method to develop a dynamically stabilized aquatic environment to preserve functions of biotopes for different kinds of crabs

Research Project

Project/Area Number 20360242
Research Category

Grant-in-Aid for Scientific Research (B)

Allocation TypeSingle-year Grants
Section一般
Research Field Civil and environmental engineering
Research InstitutionThe University of Kitakyushu

Principal Investigator

KUSUDA Tetsuya  The University of Kitakyushu, 国際環境工学部, 教授 (50037967)

Co-Investigator(Kenkyū-buntansha) KADOKAMI Kiwao  北九州市立大学, 国際環境工学部, 教授 (60433398)
UEDA Naoko  北九州市立大学, 国際環境工学部, 准教授 (10433400)
SHIMATANI Yukihiro  九州大学, 工学研究院, 教授 (40380571)
YAMANISHI Hiroyuki  佐賀大学, 低平地研究ンター, 准教授 (20240062)
Project Period (FY) 2008 – 2010
Project Status Completed (Fiscal Year 2010)
Budget Amount *help
¥18,460,000 (Direct Cost: ¥14,200,000、Indirect Cost: ¥4,260,000)
Fiscal Year 2010: ¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2009: ¥4,550,000 (Direct Cost: ¥3,500,000、Indirect Cost: ¥1,050,000)
Fiscal Year 2008: ¥8,970,000 (Direct Cost: ¥6,900,000、Indirect Cost: ¥2,070,000)
Keywordsカワスナガニ / メガローパ / 北川河口 / 甲殻類 / シミュレーション / 選好性 / ハビタット / 化学物質
Research Abstract

The purpose of this study is to consider measures to preserve Deiratonotus japonicus in the River Kitagawa, Miyazaki Prefecture, Japan. To obtain fundamental data to figure out measures for the preservation of the crab, a long term field survey on its existing number, its growing tests in laboratories from spawn to juvenile through zoea and megalopa, gene analysis to identify the kind of Deiratonotus japonicus in the field, and preference tests on the particle size distribution of river bed as well as application of the habitat evaluation procedure to estimate suitability of habitats. The preservation measure as a research result is the following ; 1)the particle diameter of sediments should range from a scale of millimeter to about 12mm which corresponds to the adult dimension of the crab carapace along the transverse direction at the top edge of salt wedge in the river and 2)river structures and/or morphology of the river should be provided which can keep the size distribution of sediments at the point on flooding.

Report

(4 results)
  • 2010 Annual Research Report   Final Research Report ( PDF )
  • 2009 Annual Research Report
  • 2008 Annual Research Report
  • Research Products

    (9 results)

All 2011 2010 2009

All Presentation (9 results)

  • [Presentation] 河川改修に伴う北川感潮域での水環境変化と生息空間への影響2011

    • Author(s)
      山西博幸
    • Organizer
      第45回日本水環境学会年会
    • Year and Date
      2011-03-18
    • Related Report
      2010 Annual Research Report 2010 Final Research Report
  • [Presentation] 北川感潮域におけるカワスナガニ稚ガニの河床材料に対する選好性2011

    • Author(s)
      楠田哲也、島谷幸弘、伊豫岡宏樹
    • Organizer
      土木学会西部支部研究発表会
    • Year and Date
      2011-03-05
    • Related Report
      2010 Annual Research Report 2010 Final Research Report
  • [Presentation] 北川感潮域におけるカワスナガニの保全に関する研究2011

    • Author(s)
      楠田哲也、島谷幸弘、伊豫岡宏樹
    • Organizer
      応用生態学術研究会
    • Year and Date
      2011-03-02
    • Related Report
      2010 Annual Research Report 2010 Final Research Report
  • [Presentation] 五ヶ瀬川水系五ヶ瀬川および北川感潮域におけるカニ類の生息環境2010

    • Author(s)
      楠田哲也、島谷幸弘、伊豫岡宏樹
    • Organizer
      河川生態学術研究会
    • Year and Date
      2010-12-12
    • Related Report
      2010 Final Research Report
  • [Presentation] 北川感潮域における河床材料の違いによるカニ類の生息状況について2010

    • Author(s)
      楠田哲也、島谷幸弘、伊豫岡宏樹
    • Organizer
      河川生態学術研究会
    • Year and Date
      2010-12-12
    • Related Report
      2010 Final Research Report
  • [Presentation] 北川におけるカワスナガニの保全2010

    • Author(s)
      楠田哲也
    • Organizer
      河川生態学術研究会
    • Year and Date
      2010-02-26
    • Related Report
      2010 Final Research Report
  • [Presentation] The Change of the Salinity Effect and Phototaxis on the Larval Vertical Distribution of Japanese Brackish Crab, Deiratonotus japonicas2009

    • Author(s)
      Hiroki Iyooka, Akihito Nakao, Tetsuya Kusuda, Yukihiro Shimatani
    • Organizer
      The 3rd International conference on Estuaries and coasts
    • Year and Date
      2009-09-14
    • Related Report
      2010 Final Research Report
  • [Presentation] The Change of the Salinity Effect and Phototaxis on the Larval Vertical Distribution of Japanese Brackish Crab, Deiratonotus japonicas2009

    • Author(s)
      Hiroki Iyooka, Akihito Nakao, Tetsuya Kusuda, Yukihiro Shimatani
    • Organizer
      The 3^<rd> International conference on Estuaries and coasts
    • Place of Presentation
      Florida USA
    • Year and Date
      2009-09-14
    • Related Report
      2009 Annual Research Report
  • [Presentation] 北川におけるカワスナガニの保全2009

    • Author(s)
      楠田哲也
    • Organizer
      河川生態学術研究会
    • Place of Presentation
      福岡市セントラーザ
    • Year and Date
      2009-02-26
    • Related Report
      2009 Annual Research Report 2008 Annual Research Report

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Published: 2008-04-01   Modified: 2016-04-21  

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