• Search Research Projects
  • Search Researchers
  • How to Use
  1. Back to previous page

Impacts of bycatch on a year-round resident population of Indo-Pacific bottlenose dolphin Tursiops aduncus

Research Project

Project/Area Number 19510240
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Resource conservation science
Research InstitutionToho University

Principal Investigator

SHIRAKIHARA Miki  Toho University, 理学部, 研究員 (30449251)

Co-Investigator(Kenkyū-buntansha) 天野 雅男  帝京科学大学, 生命環境学部, 准教授 (50270905)
竹村 暘  長崎大学, 水産学部, 教授 (70039725)
白木原 國雄  東京大学, 新領域創成科学研究科, 教授 (90196618)
Co-Investigator(Renkei-kenkyūsha) AMANO Masao  長崎大学, 水産学部, 教授 (50270905)
TAKEMURA Akira  長崎大学, 水産学部, 教授 (70039725)
SHIRAKIHARA Kunio  東京大学, 大学院・新領域創成科学研究科, 教授 (90196618)
Project Period (FY) 2007 – 2008
Project Status Completed (Fiscal Year 2008)
Budget Amount *help
¥3,640,000 (Direct Cost: ¥2,800,000、Indirect Cost: ¥840,000)
Fiscal Year 2008: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000)
Fiscal Year 2007: ¥1,950,000 (Direct Cost: ¥1,500,000、Indirect Cost: ¥450,000)
Keywords保全生物 / ミナミハンドウイルカ / 定住性個体群 / 個体数 / 混獲
Research Abstract

熊本県天草下島沿岸域に周年定住するミナミハンドウイルカが2年間で26頭(年平均13頭)混獲されたことが漁業者への聞き取り調査から推察された. 本個体群の多くのイルカは背びれの傷をもとに個体識別されており, 個体数は200頭余りと小さい. 本個体群では, 混獲などの人為的要因による死亡数が2頭を超えると個体群が減少する可能性がある. 年平均混獲数13頭はこの値を大きく上回っている. 混獲対策が緊急課題であることが明らかになった.

Report

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

    (22 results)

All 2009 2008 2007 Other

All Journal Article (8 results) (of which Peer Reviewed: 8 results) Presentation (11 results) Remarks (3 results)

  • [Journal Article] Food habits of finless porpoises Neophocaena phocaenoides in western Kyushu, Japan2008

    • Author(s)
      Shirakihara, M., K. Seki, A. Takemura, K. Shirakihara, H. Yoshida and T. Yamazaki
    • Journal Title

      Journal of Mammaloy 89

      Pages: 1248-1256

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Stomach contents of an Indo-Pacific bottlenose dolphin stranded in Amakusa, western Kyushu, Japan2008

    • Author(s)
      Yamazaki, T., S. Oda and M. Shirakihara
    • Journal Title

      Fisheries Science 74

      Pages: 1195-1197

    • NAID

      10021873633

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Food habits of finless pornoises Neophocaena phocaenoides in western Kyushu, Japan.2008

    • Author(s)
      Shirakihara, M., K., Seki, A. Takemura, K. Shirakihara, H. Yoshida, T. Yamazaki.
    • Journal Title

      Journal of Mammaloy 89

      Pages: 1248-1256

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Stomach contents of an Indo-Pacific bottlenose dolphin stran ded in Amakusa, western Kyushu, Japan.2008

    • Author(s)
      Yamazaki, T., S. Oda, M. Shirakihara
    • Journal Title

      Fisheries Science 74

      Pages: 1195-1197

    • Related Report
      2008 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Distribution and abundance of finless porpoise in the Inland Sea of Japan2007

    • Author(s)
      Shirakihara, K., M. Shirakihara and Y. Yamamoto
    • Journal Title

      Marine Biology 150

      Pages: 1025-1032

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Current status and conservation needs of dugongs in southern Japan2007

    • Author(s)
      Shirakihara, M., H. Yoshida, H. Yokochi, H. Ogawa, T. Hosokawa, N. Higashi and T. Kasuya
    • Journal Title

      Marine Mammal Science 23

      Pages: 694-706

    • Related Report
      2008 Final Research Report
    • Peer Reviewed
  • [Journal Article] Current status and conservation needs of dugongs in southern Japan.2007

    • Author(s)
      Shirakihara, M., Yoshida, H., Yokochi, H., Ogawa, H., Hosokawa T., Higashi, H., Kasuya. T.
    • Journal Title

      Marine Mammal Science 23

      Pages: 694-706

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Journal Article] Distribution and abundance of finless porpoise in the Inland Sea of Japan.2007

    • Author(s)
      Shirakihara, K., Shirakihara, M., Yamamoto, Y.
    • Journal Title

      Marine Biology 150

      Pages: 1025-1032

    • Related Report
      2007 Annual Research Report
    • Peer Reviewed
  • [Presentation] 天草・通詞島周辺海域に生息するミナミハンドウイルカの個体群存続可能性分析2009

    • Author(s)
      三股智子・白木原國雄・白木原美紀
    • Organizer
      日本水産学会春季大会
    • Place of Presentation
      東京
    • Year and Date
      2009-03-28
    • Related Report
      2008 Final Research Report
  • [Presentation] 2009. 刺網によるミナミハンドウイルカの混獲2009

    • Author(s)
      白木原美紀・白木原國雄
    • Organizer
      日本水産学会春季大会
    • Place of Presentation
      東京
    • Year and Date
      2009-03-28
    • Related Report
      2008 Final Research Report
  • [Presentation] 刺網によるミナミハンドウイルカの混獲2009

    • Author(s)
      o白木原美紀(東邦大理), 白木原国雄(東大海洋研)
    • Organizer
      平成21年度日本水産学会春季大会
    • Place of Presentation
      東京海洋大学
    • Year and Date
      2009-03-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] 天草・通詞島周辺海域に生息するミナミハンドウイルカの個体群存続可能性分析2009

    • Author(s)
      三股智子, ○白木原国雄(東大海洋研), 白木原美紀(東邦大理)
    • Organizer
      平成21年度日本水産学会春季大会
    • Place of Presentation
      東京海洋大学
    • Year and Date
      2009-03-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] 東京湾における沿岸性鯨類スナメリの出現状況2009

    • Author(s)
      o白木原国雄(東大海洋研), 白木原美紀(東邦大理), 前田圭佑, 山本以智人(東大海洋研)
    • Organizer
      平成21年度日本水産学会春季大会
    • Place of Presentation
      東京海洋大学
    • Year and Date
      2009-03-28
    • Related Report
      2008 Annual Research Report
  • [Presentation] 2008. 天草通詞島周辺海域に生息するミナミハンドウイルカの生残率推定2008

    • Author(s)
      三股智子・白木原美紀・白木原國雄
    • Organizer
      日本水産学会春季大会
    • Place of Presentation
      静岡
    • Year and Date
      2008-03-28
    • Related Report
      2008 Final Research Report
  • [Presentation] 天草通詞島周辺海域に生息するミナミハンドウイルカの生残率推定2008

    • Author(s)
      三股智子・白木原美紀・白木原国雄
    • Organizer
      日本水産学会春季大会
    • Place of Presentation
      東海大学海洋学部
    • Year and Date
      2008-03-28
    • Related Report
      2007 Annual Research Report
  • [Presentation] 瀬戸内海におけるスナメリの生息場所の解析2008

    • Author(s)
      前田圭佑・白木原国雄・白木原美紀
    • Organizer
      日本水産学会春季大会
    • Place of Presentation
      東海大学海洋学部
    • Year and Date
      2008-03-28
    • Related Report
      2007 Annual Research Report
  • [Presentation] Effect of ambient noise on the sound source levels of dolphin whistles.2007

    • Author(s)
      Morisaka, T., Sakai, M., Mori, K., Shirakihara, M., Kogi, K.
    • Organizer
      17th Biennial Conference of the Society for Marine Mammalogy
    • Place of Presentation
      Cape Town, South Africa
    • Year and Date
      2007-12-30
    • Related Report
      2007 Annual Research Report
  • [Presentation] How do dolphins communicate with each other by sounds in the noisy environments?2007

    • Author(s)
      Morisaka, T., Sakai, M., Mori, K., Shirakihara, M., Kogi, K.
    • Organizer
      2007 International Ethological Conference
    • Place of Presentation
      Halifax, Canada
    • Year and Date
      2007-08-17
    • Related Report
      2007 Annual Research Report
  • [Presentation] うるさい海中でのイルカのコミュニケーション音2007

    • Author(s)
      森阪匡通・酒井麻衣・森恭一・白木原美紀・小木万布
    • Organizer
      日本動物行動学会第26回大会
    • Place of Presentation
      京都大学
    • Related Report
      2007 Annual Research Report
  • [Remarks]

    • URL

      http://web.me.com/mikishirak/Site/Welcome.html

    • Related Report
      2008 Final Research Report
  • [Remarks]

    • URL

      http://taduncus.blog115.fc2.com/

    • Related Report
      2008 Final Research Report
  • [Remarks] 報道関連情報産経新聞2009年3月20日社会面に掲載共同通信社インターネット配信

    • URL

      http://sankei.jp.msn.com/life/lifestyle/090320/sty0903201049003-n1.htm

    • Related Report
      2008 Final Research Report

URL: 

Published: 2007-04-01   Modified: 2016-04-21  

Information User Guide FAQ News Terms of Use Attribution of KAKENHI

Powered by NII kakenhi