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Effect of increase of jerry fish on coastal ecosystem accompanied by hypoxia

Research Project

Project/Area Number 18580181
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field General fisheries
Research InstitutionKyoto University

Principal Investigator

KASAI Akihide  Kyoto University, 大学院・農学研究科, 准教授 (80263127)

Co-Investigator(Kenkyū-buntansha) 小路 淳  広島大学, 生物圏科学研究科, 准教授 (10397565)
Co-Investigator(Renkei-kenkyūsha) SHOUJI Jun  広島大学, 大学院・生物圏科学研究科, 准教授 (10397565)
Project Period (FY) 2006 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,060,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥660,000)
Fiscal Year 2008: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000)
Fiscal Year 2007: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2006: ¥1,200,000 (Direct Cost: ¥1,200,000)
Keywords海洋生態系 / 海洋保全 / 環境変動 / 貧酸素 / 生態系 / クラゲ / 沿岸 / 海洋生態 / 水産学 / 安定同位体比
Research Abstract

フィールド調査の結果、ミズクラゲ重量と底層の溶存酸素濃度の間に負の相関が認められた。またミズクラゲの分布域と、魚卵稚仔や動物プランクトンの分布域は、一致していなかった。安定同位体比分析より、ミズクラゲは魚卵稚仔を含む動物プランクトンを主な餌とする雑食性であると推定された。ミズクラゲは強い貧酸素耐性を有しており、沿岸域の 貧酸素化にともない、ミズクラゲへの栄養フローが増大していると推定される。

Report

(4 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report
  • 2006 Annual Research Report
  • Research Products

    (17 results)

All 2009 2008 2007 2006 Other

All Journal Article (7 results) (of which Peer Reviewed: 4 results) Presentation (9 results) Book (1 results)

  • [Journal Article] Distribution of moon jellyfish Aurelia aurita in relation to summer hypoxia in Hiroshima Bay, Seto Inland Sea2009

    • Author(s)
      Jun Shoji, Takaya Kudoh, Hideyuki Takatsuji, Osamu Kawaguchi and Akihide Kasai
    • Journal Title

      Estuarine, Coastal and Shelf Science (印刷中)

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Distribution of moon jellyfish Aurelia aurita in relation to summer hypoxia in Hiroshima Bay, Seto Inland Sea2009

    • Author(s)
      Jun Shoji, Takaya Kudoh, Hideyuki Takatsuji, Osamu Kawaguch, Akihide Kasai
    • Journal Title

      Estuarine, Coastal, Shelf Science (印刷中)(未定)

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Flow structure and hypoxia in Hiuchi-Nada, Seto Inland Sea, Japan2007

    • Author(s)
      Akihide Kasai, Tatsuo Yamada and Hiroshi Takeda
    • Journal Title

      Estuarine, Coastal, Shelf Science 71

      Pages: 210-217

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] 内湾域における中層クロロフィル極大の形成機構2007

    • Author(s)
      笠井亮秀・杉本亮・赤嶺里美
    • Journal Title

      海と空 82

      Pages: 53-60

    • NAID

      10020144916

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Formation mechanism of hypoxia in estuaries and coastal seas2007

    • Author(s)
      Akihide Kasai, Yoshiro Kurikawa, Masahiro Ueno and Yoh Yamashita
    • Journal Title

      Book of abstracts of International Symposium on Integrated Coastal Zone Management 117

    • Related Report
      2008 Final Research Report
  • [Journal Article] Flow structure and hypoxia in Hiuchi-Nada, Seto Inland Sea, Japan2007

    • Author(s)
      Akihide Kasai, Tatsuo Yamada, Hiroshi Takeda
    • Journal Title

      Estuarine, Coastal and Shelf Science 71

      Pages: 210-217

    • Related Report
      2006 Annual Research Report
  • [Journal Article] Increase in moon jellyfish populations in the Seto Inland Sea, Japan : Possible effect on predator-prey interactions under summer hypoxia

    • Author(s)
      Jun Shoji and Akihide Kasai
    • Journal Title

      Book of abstracts of 8^<th>EMECS

      Pages: 38-39

    • Related Report
      2008 Final Research Report
  • [Presentation] 閉鎖性海域における食物網解析2009

    • Author(s)
      加藤希望, 笠井亮秀, 川井仁, 山口仁士
    • Organizer
      2008年度水産学会近畿支部例会
    • Place of Presentation
      近畿大学(奈良市)
    • Year and Date
      2009-11-29
    • Related Report
      2008 Annual Research Report
  • [Presentation] Increase in moon jellyfish populations in the Seto Inland Sea, Japan : Possible effect on predator-prey interactions under summer hypoxia2009

    • Author(s)
      Jun Shoji, Akihide Kasai
    • Organizer
      8th EMECS (Environmental Management of Enclosed Coastal Sas)conference
    • Place of Presentation
      上海光大国際大酒店(中国)
    • Year and Date
      2009-10-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] Hydrodynamics and ecosystem in the Yura Estuary2009

    • Author(s)
      Akihide Kasai, Emily Antonio, Yoshiro Kurikawa, Masahiro Ueno
    • Organizer
      5th world fisheries congress
    • Place of Presentation
      パシフィコ横浜
    • Year and Date
      2009-10-23
    • Related Report
      2008 Annual Research Report
  • [Presentation] 閉鎖性海域における食物網解析2008

    • Author(s)
      加藤希望・笠井亮秀・川井仁・山口仁士
    • Organizer
      2008年度水産学会近畿支部例会
    • Place of Presentation
      近畿大学(奈良)
    • Year and Date
      2008-11-29
    • Related Report
      2008 Final Research Report
  • [Presentation] Increase in moon jellyfish populations in the Seto Inland Sea, Japan : Possible effect on predator-prey interactions under summer hypoxia2008

    • Author(s)
      Jun Shoji and Akihide Kasai
    • Organizer
      8^<th>EMECS(Environmental Management of Enclosed Coastal Seas)conference
    • Place of Presentation
      Shanghai, China
    • Year and Date
      2008-10-28
    • Related Report
      2008 Final Research Report
  • [Presentation] 夏期の広島湾におけるミズクラゲ、魚卵稚仔の時空間分布:2006年と2007年の対比2007

    • Author(s)
      小路淳・笠井亮秀・小林洋介・川口修・高辻英之・工藤孝也
    • Organizer
      2007年度水産海洋学会研究発表大会
    • Place of Presentation
      静岡市
    • Year and Date
      2007-11-24
    • Related Report
      2007 Annual Research Report
  • [Presentation] 夏期の広島湾におけるミズクラゲ、魚卵稚仔の時空間分布 : 2006年と2007年の対比2007

    • Author(s)
      小路淳・笠井亮秀・小林洋介・川口修・高辻英之・工藤孝也
    • Organizer
      2007年度水産海洋学会研究発表大会
    • Place of Presentation
      静岡県産業経済会館(静岡)
    • Year and Date
      2007-11-23
    • Related Report
      2008 Final Research Report
  • [Presentation] Formation mechanism of hypoxia in estuaries and coastal seas2007

    • Author(s)
      Akihide Kasai, Yoshiro Kurikawa, Masahiro Ueno and Yoh Yamashita
    • Organizer
      International Symposium on Integrated Coastal Zone Management
    • Place of Presentation
      Arendal, Norway
    • Year and Date
      2007-06-12
    • Related Report
      2008 Final Research Report 2007 Annual Research Report
  • [Presentation] 2005年夏期の広島湾におけるミズクラゲ・魚卵稚仔の水平分布と物理環境の関連2006

    • Author(s)
      小路淳・笠井亮秀・川口修・高辻英之
    • Organizer
      2006年度水産海洋学会研究発表大会
    • Place of Presentation
      中央水産研究所(横浜)
    • Year and Date
      2006-11-27
    • Related Report
      2008 Final Research Report
  • [Book] 安定同位体比を用いた餌料源の推定モデル. 安定同位体スコープで覗く海洋生物の生態2008

    • Author(s)
      笠井亮秀
    • Publisher
      恒星社厚生閣
    • Related Report
      2008 Final Research Report

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Published: 2006-04-01   Modified: 2016-04-21  

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