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Resource allocation between growth and reproduction after maturationin Pagurus hermit crabs

Research Project

Project/Area Number 19570012
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Ecology/Environment
Research InstitutionHokkaido University

Principal Investigator

WADA Satoshi  Hokkaido University, 大学院・水産科学研究院, 准教授 (40325402)

Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2008: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Fiscal Year 2007: ¥2,210,000 (Direct Cost: ¥1,700,000、Indirect Cost: ¥510,000)
Keywords資源配分 / 成長 / 繁殖 / 甲殻類 / ヤドカリ / 繁殖生態 / 脱皮 / 種間比較 / 配偶行動
Research Abstract

ホンヤドカリ属を対象として、オスとメスの成長と繁殖の資源配分様式を調べた。本属の一部の種では、交尾直前にメスが脱皮することがあり、繁殖期中にも成長する。本研究の結果、脱皮する個体は、とくに産卵間隔が長い傾向が強く、抱卵数も変異が大きかった。オスも配偶行動によって摂餌行動が抑制されるため、繁殖に費やす時間の増加が成長を低下させることが示唆されたが、実験ではそれを強く支持する結果は得られなかった。

Report

(3 results)
  • 2008 Annual Research Report   Final Research Report ( PDF )
  • 2007 Annual Research Report

Research Products

(6 results)

All 2009 2008 2007

All Journal Article Presentation

  • [Journal Article] Factors affecting the interval between clutches in the hermit crab Pagurus nigrivittatus2008

    • Author(s)
      Wada, S. T. Oba, K. Nakata and A. Ito
    • Journal Title

      Marine Biolog 154

      Pages: 501-507

    • NAID

      120000952016

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Temporal allocation pattern between reproduction and growth within a breeding season of the hermit crab Pagurus nigrivittatus2008

    • Author(s)
      Wada, S., T. Oba, K. Nakata and A. Ito
    • Journal Title

      Crustacean Research 37

      Pages: 67-73

    • NAID

      110007503188

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Shell partitioning of two sympatric hermit crabs, Pagurus middendorffii and P. brachiomastus, in northeastern Hokkaido, Japan2008

    • Author(s)
      Oba, T., S. Wada, S. Goshima
    • Journal Title

      Journal of the Marine Biological Association of the United Kingdom 88

      Pages: 103-109

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Evolutionary significance of prenuptial molting in female Pagurus hermit crabs2007

    • Author(s)
      Wada, S., A. Ito, A. Mima
    • Journal Title

      Marine Biology 152

      Pages: 1263-1270

    • NAID

      120000969521

    • Related Report
      2008 Final Research Report 2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] ヤドカリのオスの配偶者選択2009

    • Author(s)
      和田哲、安良城百絵、竹下文雄
    • Organizer
      日本生態学会第56回大会
    • Place of Presentation
      岩手県立大学
    • Year and Date
      2009-03-19
    • Related Report
      2008 Final Research Report
  • [Presentation] ホンヤドカリ属の生活史2008

    • Author(s)
      和田哲
    • Organizer
      日本ベントス学会2008年度奨励賞受賞講演
    • Place of Presentation
      熊本県立大学
    • Year and Date
      2008-09-06
    • Related Report
      2008 Final Research Report

URL: 

Published: 2007-03-31   Modified: 2016-04-21  

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