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The role of floating-leaved macrophyte, Trapa japonica as key-stone species

Research Project

Project/Area Number 23710280
Research Category

Grant-in-Aid for Young Scientists (B)

Allocation TypeMulti-year Fund
Research Field Resource conservation science
Research InstitutionKyoto University

Principal Investigator

KATO Yoshikazu  京都大学, 生態学研究センター, 研究員 (50588241)

Project Period (FY) 2011 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
Fiscal Year 2012: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2011: ¥1,430,000 (Direct Cost: ¥1,100,000、Indirect Cost: ¥330,000)
Keywordsヒシ / フラクタル次元 / 生息場所構造 / 水生植物 / 群集生態学
Research Abstract

To clarify the impacts of the floating-leaved macrophyte (Trapa japonica) against aquatic ecosystems, we compared spatial structures and epiphytic fauna between T. japonica and typical submerged macrophyte, Hydrilla verticillata. Spatial structures of T. japonica were less complex than those of H. verticillata. Despite environmental conditions of their habitats were not different between these macrophytes, species diversity of epiphytic animals was higher on T. japonica. The results suggest that T. japonica take a role as the key-stone species, maintaining diverse epiphytic fauna.

Report

(3 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Research-status Report
  • Research Products

    (2 results)

All 2012 2011

All Presentation (2 results)

  • [Presentation] The effects of dense beds of a floating-leaved macrophyte on seasonal dynamics of a lake.2012

    • Author(s)
      Yoshikazu Kato, Jun Nishihiro & Takehito Yoshida
    • Organizer
      Joint Meeting of the 59th Annual meeting of ESJ and the 5thEAFES International Congress
    • Place of Presentation
      Shiga
    • Year and Date
      2012-03-19
    • Related Report
      2012 Final Research Report
  • [Presentation] 三方湖(福井県)におけるヒシの繁茂が生態系の季節動態に及ぼす影響2011

    • Author(s)
      加藤義和・西廣淳・吉田丈人
    • Organizer
      第76回日本陸水学会大会
    • Place of Presentation
      島根
    • Year and Date
      2011-09-23
    • Related Report
      2012 Final Research Report

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Published: 2011-08-05   Modified: 2019-07-29  

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