Long-term ecological variability and its mechanisms in Antarctic penguins

2010 Fiscal Year Self-evaluation Report

• Project/Area Number: 20310016
• Research Category: Grant-in-Aid for Scientific Research (B)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Environmental dynamic analysis
• Research Institution: National Institute of Polar Research
• Principal Investigator: TAKAHASHI Akinori National Institute of Polar Research, 研究教育系, 准教授 (40413918)
• Project Period (FY): 2008 – 2011
• Keywords: 海洋生態 / 環境変動 / 動物行動 / 極域科学 / バイオロギング

Research Abstract

本研究は、南極海海洋生態系の主要構成種であるペンギン類について、海洋環境の変動により長期的な個体数・生態の変動が生じるメカニズムを明らかにすることを目的としている。具体的には、ペンギン類の採餌行動・繁殖成績を、近年の個体数傾向が異なっている西南極地域と東南極地域の両方で調査し比較することで、地域的な海洋環境の変化とペンギンの個体数・生態変動との関係を明らかにする。

Research Products

• [Journal Article] Comparison of diving behaviour and foraging habitat use between chinstrap and gentoo penguins breeding in the South Shetland Islands, Antarctica. (2010)
  • Author(s): Kokubun N, Takahashi A, Mori Y, Watanabe S, Shin HC.
  • Journal Title: Marine Biology 157 Pages: 811-825
  • Peer Reviewed
• [Journal Article] Scaling of swim speed and stroke frequency in geometrically similar penguins-they swim optimally to minimize cost of transport. (2010)
  • Author(s): Sato K, Shiomi K, Watanabe Y, Watanuki Y, Takahashi A, Ponganis P.
  • Journal Title: Proceedings of the Royal Society B 277 Pages: 707-714
  • Peer Reviewed
• [Journal Article] Individual variation of foraging behavior and food provisioning in Adelie penguins in a fast sea-ice area. (2010)
  • Author(s): Watanuki Y, Takahashi A, Sato K.
  • Journal Title: 127 Pages: 523-531
  • Peer Reviewed
• [Journal Article] Optimal stroke frequency pattern during diving in seabirds. (2010)
  • Author(s): Mori Y, Takahashi A, Trathan P, Watanuki Y.
  • Journal Title: Aquatic Biology 8 Pages: 247-257
  • Peer Reviewed
• [Journal Article] Krill-feeding behaviour of gentoo penguins as shown by animal-borne camera loggers. (2008)
  • Author(s): Takahashi A, Kokubun N, Mori Y Shin HC.
  • Journal Title: Polar Biology 31 Pages: 1291-1294
  • Peer Reviewed
• [Presentation] Spatial movement linked to diving behaviour in chinstrap penguins (2010)
  • Author(s): Takahashi A
  • Organizer: 1^<st> World Seabird Conference.
  • Place of Presentation: Victoria Conference Center, Victoria, Canada.
  • Year and Date: 2010-09-08
• [Presentation] Antarctic Biology from penguins' -eye view. (2009)
  • Author(s): Takahashi A
  • Organizer: 13^<th> Kyoto University International Symposium : New Horizons of Academic Visual-Media Practices.
  • Place of Presentation: Kyoto University, Kyoto (Invited).
  • Year and Date: 2009-11-11
• [Presentation] ペンギンの採餌生態学 (2009)
  • Author(s): 高橋晃周
  • Organizer: 日本鳥学会2009年度大会・大会シンポジウム
  • Place of Presentation: 函館国際ホテル.函館市.
  • Year and Date: 2009-09-22
• [Presentation] Fine-scale linkages between foraging penguins and marine habitat features in South Orkney Islands, Antarctica. (2009)
  • Author(s): Takahashi A
  • Organizer: Xth SCAR International Biology Symposium.
  • Place of Presentation: Hokkaido University, Sapporo.
  • Year and Date: 2009-07-28
• [Presentation] Optimal diving incorporating variable metabolic rate depending on diving depth and buoyancy : A model and observed data. (2008)
  • Author(s): Mori Y, Takahashi A, Watanuki Y.
  • Organizer: 3^<rd> International Biologging Science Symposium.
  • Place of Presentation: Monterey, USA.
  • Year and Date: 2008-09-04
• [Book] (共著:日本バイオロギング研究会編)、動物たちの不思議に迫るバイオロギング (2009)
  • Author(s): 高橋晃周
  • Total Pages: 156-159、174-175
  • Publisher: 京都通信社