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Social structure of young male sperm whales and its determinant factors

Research Project

Project/Area Number 21570020
Research Category

Grant-in-Aid for Scientific Research (C)

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

Principal Investigator

AMANO Masao  長崎大学, 大学院・水産・環境科学総合研究科, 教授 (50270905)

Co-Investigator(Renkei-kenkyūsha) NOBUYUKI Miyazaki  海洋政策研究財団, 主任研究員 (40101464)
MOTOI Yoshioka  三重大学, 生物資源学部, 教授 (30262992)
Research Collaborator AYA Kourogi  長崎大学, 大学院水産・環境科学総合研究科, 技能補佐員(実験助手)
HARUKO Sato  シーライフ・ウオッチ, 代表
Project Period (FY) 2009 – 2011
Project Status Completed (Fiscal Year 2011)
Budget Amount *help
¥4,940,000 (Direct Cost: ¥3,800,000、Indirect Cost: ¥1,140,000)
Fiscal Year 2011: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2010: ¥1,300,000 (Direct Cost: ¥1,000,000、Indirect Cost: ¥300,000)
Fiscal Year 2009: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
Keywords鯨類 / ハクジラ類 / マッコウクジラ / 社会構造 / マツコウクジラ
Research Abstract

We examined social structure based on photo-identification and habitat use pattern based on land-based observation for young male sperm whales feeding in the Nemuro Strait in summer. Social structure of young male sperm whales is multilevel ; long lasting units temporally associate for a short time, and they showed clear diurnal movement pattern. High predation pressure and cooperation in feeding are considered to be major drives for their multilevel society and habitat use pattern.

Report

(4 results)
  • 2011 Annual Research Report   Final Research Report ( PDF )
  • 2010 Annual Research Report
  • 2009 Annual Research Report
  • Research Products

    (22 results)

All 2012 2011 2009 Other

All Journal Article (5 results) (of which Peer Reviewed: 4 results) Presentation (12 results) Book (1 results) Remarks (4 results)

  • [Journal Article] Size at maturity of fluvial white-spotted charr, Salvelinus leucomaenis, around the Lake Biwa water system varies with habitat size2011

    • Author(s)
      Kikko T, Kataoka Y, Nishimori, K, Fujioka Y, Kai Y, Nakayama K, Kitakado T
    • Journal Title

      Ichthyological Research

      Volume: 58 Pages: 370-376

    • DOI

      10.3354/meps09371

    • NAID

      10030255537

    • Related Report
      2011 Annual Research Report 2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Active hunting by deep-diving sperm whales : 3D dive profile and manoeuvres during bursts of speed2011

    • Author(s)
      Aoki K, Amano M, Mori K, Kourogi A, Kubodera T, Miyazaki N
    • Journal Title

      Marine Ecology Progress Series

      Volume: 444 Issue: 2 Pages: 289-301

    • DOI

      10.1644/10-mamm-a-276.1

    • Related Report
      2011 Annual Research Report 2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Swim speed and acceleration measurements of short-finned pilot whales(Globicephala macrorhynchus) in Hawai' I2011

    • Author(s)
      Sakai, M., K. Aoki, K. Sato, M. Amano, R. W. Baird, D. L. Webster, G. S. Schorr and N. Miyazaki
    • Journal Title

      Mammal Study

      Volume: 36 Pages: 55-59

    • URL

      http://www.bioone.org/toc/jmam/36/1.

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article] Scaling of swim speed in breath-hold divers2011

    • Author(s)
      Watanabe Y, Sato K, Watanuki Y, Takahashi A(以下共著7名)
    • Journal Title

      Journal of Animal Ecology

      Volume: 80 Issue: 1 Pages: 57-68

    • DOI

      10.1111/j.1365-2656.2010.01760.x

    • Related Report
      2011 Final Research Report
    • Peer Reviewed
  • [Journal Article]2009

    • Author(s)
      Mori, K., Yoshioka, M., Amano, M.
    • Journal Title

      The Wild Mammals of Japan(Shoukadou)

      Pages: 336-337

    • Related Report
      2009 Annual Research Report
  • [Presentation] アカボウクジラによる連続潜水と旋回浮上行動2012

    • Author(s)
      青木かがり・天野雅男・森恭一・岡本亮介・窪寺恒己・佐藤克文
    • Organizer
      平成24年度日本水産学会春季大会
    • Place of Presentation
      東京海洋大学
    • Related Report
      2011 Final Research Report
  • [Presentation] Diumal horizontal movement of sperm whales in the Nemuro Strait, Hokkaido, Japan2011

    • Author(s)
      Amano, M., Sueishi, Y., Kourigi, A., Sato, H.
    • Organizer
      19th Biennial Conference on the Biology of Marine Mammals
    • Place of Presentation
      Tamapa Convention Center, Florida, USA
    • Year and Date
      2011-11-29
    • Related Report
      2011 Annual Research Report
  • [Presentation] 根室海峡におけるマッコウクジラの分布と移動2011

    • Author(s)
      天野雅男・末石幸世・興梠あや
    • Organizer
      平成22年度知床世界自然遺産地域生態系調査報告会
    • Place of Presentation
      札幌市教育文化会館
    • Year and Date
      2011-02-23
    • Related Report
      2011 Final Research Report
  • [Presentation] 根室海峡におけるマッコウクジラの分布と移動2011

    • Author(s)
      天野雅男・末石幸世・興椙あや
    • Organizer
      知床世界遺産地域生態系調査報告会
    • Place of Presentation
      札幌市教育文化会館
    • Year and Date
      2011-02-23
    • Related Report
      2010 Annual Research Report
  • [Presentation] Diurnal horizontal movement of sperm whales in the Nemuro Strait,2011

    • Author(s)
      Amano, M., Y. Sueishi, A. Kourogi, H. Sato.
    • Organizer
      19th Biennial Conference on the Biology of Marine Mammals
    • Place of Presentation
      Tampa, Florida
    • Related Report
      2011 Final Research Report
  • [Presentation] Association patters o female Indo-Pacific bottlenose dolphins off Amakusa2011

    • Author(s)
      Nishita, M., M. Shirakihara, and M. Amano
    • Organizer
      19th Biennial Conference on the Biology of Marine Mammals
    • Place of Presentation
      Tampa, Florida
    • Related Report
      2011 Final Research Report
  • [Presentation] アカボウクジラが行なっていた深度1000mを超える潜水の特徴2011

    • Author(s)
      青木かがり・天野雅男・森恭一・岡本亮介・窪寺恒己.佐藤克文
    • Organizer
      平成23年度日本水産学会春季大会
    • Place of Presentation
      東京海洋大学
    • Related Report
      2011 Final Research Report
  • [Presentation] Difference in sperm whale coda between two waters off Japan.2009

    • Author(s)
      Amano, M., 他4名
    • Organizer
      18th Biennial Conference on the Biology of Marine Mammals
    • Place of Presentation
      Quebec City Conference Center, Quebec, Canada
    • Year and Date
      2009-10-13
    • Related Report
      2009 Annual Research Report
  • [Presentation] Maneuverability of sperm whales : estimation of turning radius by multi-sensor data logger.2009

    • Author(s)
      Aoki, K., Sato, Kl., Amano, M., 他2名
    • Organizer
      18th Biennial Conference on the Biology of Marine Mammals
    • Place of Presentation
      Quebec City Conference Center, Quebec, Canada
    • Year and Date
      2009-10-12
    • Related Report
      2009 Annual Research Report
  • [Presentation] Two forms of short-finned pilot whales off Japan2009

    • Author(s)
      Amano, M. and T. Kasuya
    • Organizer
      Workshop on defining subspecies : developing guidelines for marine mammals
    • Place of Presentation
      Quebec, Canada
    • Related Report
      2011 Final Research Report
  • [Presentation] Difference of sperm whale coda between two waters off Japan2009

    • Author(s)
      Amano, M., A. Kourogi, K. Aoki, M, Yoshioka, and K. Mori
    • Organizer
      18th Biennial Conference on the Biology of Marine Mammals
    • Place of Presentation
      Quebec, Canada
    • Related Report
      2011 Final Research Report
  • [Presentation] Turning radius of sperm whales estimated from speed and accelerations obtained by 3D data logger2009

    • Author(s)
      Aoki, M. K. Sato, M. Amano, K. Mori, and N Miyazaki
    • Organizer
      18th Biennial Conference on the Biology of Marine Mammals
    • Place of Presentation
      Quebec, Canada
    • Related Report
      2011 Final Research Report
  • [Book] The wild mammals of Japan2009

    • Author(s)
      Mori, K., M. Yoshioka and M. Amano
    • Total Pages
      1758
    • Publisher
      Physeter macrocephalus Linnaeus
    • Related Report
      2011 Final Research Report
  • [Remarks]

    • URL

      http://web.mac.com/masaoamano/

    • Related Report
      2011 Final Research Report
  • [Remarks]

    • URL

      http://web.mac.com/masaoamano/2010Rausu/overview.html

    • Related Report
      2011 Annual Research Report
  • [Remarks]

    • URL

      http://web.mac.com/masaoamano/2010Rausu/overview.html

    • Related Report
      2010 Annual Research Report
  • [Remarks]

    • Related Report
      2009 Annual Research Report

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Published: 2009-04-01   Modified: 2016-04-21  

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