Researcher Database

Shogo Takagi
School of Fisheries Sciences Training Ship “Oshoro-maru”
Associate Professor

Researcher Profile and Settings

Affiliation

  • School of Fisheries Sciences Training Ship “Oshoro-maru”

Job Title

  • Associate Professor

J-Global ID

Research Interests

  • 魚類生態学   海洋生態学   Ocean Ecology   

Research Areas

  • Life sciences / Ecology and environmental science

Education

  •        - 1982  Hokkaido University  School of Fisheries Sciences
  •        - 1982  Hokkaido University  Faculty of Fisheries

Association Memberships

  • 日本水産学会   

Research Activities

MISC

  • Richard Brodeur, Skip McKinnell, Kazuya Nagasawa, William Pearcy, Vladimir Radchenko, Shogo Takagi  Progress in Oceanography  43-  (2-4)  365  -397  1999/03  [Not refereed][Not invited]
     
    During the 1980s and 1990s, scientific research cruises and commercial gillnet operations with scientific observers aboard were conducted throughout much of the Subarctic and Transition Zones of the North Pacific Ocean. These studies produced one of the most extensive databases ever collected on the relative species composition and trophic structure of epipelagic nekton of the Subarctic and Transition Zones in the North Pacific Ocean. Data from Japanese high-seas gillnet research surveys (1981-1991) were examined using multivariate analytical techniques to analyse community structure of nektonic cephalopods, elasmobranchs, and teleosts in the North Pacific Subarctic and Transition Zones during the summer months, emphasizing differences between the eastern and western Subarctic Gyres. Species diversity generally increased going from west to east, which was apparently associated with the greater range of temperatures in the east. Discriminant analysis was able to correctly classify about half the catch locations into their respective regions. Catches from multinational drift gillnet commercial fisheries operations in 1990-1991 mainly in the Transition Zone were also examined. Classification techniques were employed to determine species associations and multivariate analyses were used to examine relationships of these assemblages to environmental data. We found that some species are often captured in the same gillnet sets and form species associations that are distinct in ordination space, but these associations are loose and may vary appreciably from year to year. We review recent studies on the feeding habits and daily ration of the dominant species and construct food webs for the eastern and western Subarctic and Transition Zone systems emphasizing the role that nekton play in these pelagic ecosystems.
  • これからの練習船に求められる教育とは
    月刊海洋  31-  (1)  45  -49  1999  [Not refereed][Not invited]
  • 亀井 佳彦, 高津 哲也, 高木 省吾, 中谷 敏邦, 高橋 豊美, 前田 辰昭  日本水産学会誌  65-  (2)  223  -229  1999  [Not refereed][Not invited]
  • The 1999 International Cooperative Salmon Research Cruise of the Oshoro-maru(共著)
    North Pacific Anadromous Fish Commission  (419)  1999  [Not refereed][Not invited]
  • Distribution of phytoplankton abundance and physical properties on the southeastern shelf of the Bering Sea in summer(共著)
    Polar Bioscience  12-  1  -14  1999  [Not refereed][Not invited]
  • 1998年の北太平洋におけるさけ・ます資源豊度と魚体サイズ
    農林水産省遠洋海区水産研究所研究彙報  3  -25  1998  [Not refereed][Not invited]
  • Bottom Fish Composition and Food Habit in the Southern Water off the St. Lawrence Island in the Bering Sea(共著)
    Bulletin of the Faculty of Fisheries, Hokkaido University  44-  117  1998  [Not refereed][Not invited]
  • Interannual variation and vertical distribution of appendicularians in the south of St. Lawrence Island, northern Bering sea shelf in summer(共著)
    Bulletin of the Faculty of Fisheries, Hokkaido University  44-  48  -51  1998  [Not refereed][Not invited]
  • 155度線上における夏季と秋季の海洋構造と表層性魚類・イカ類の分布
    北海道大学水産学部研究彙報  48-  (1-2)  13  -28  1997  [Not refereed][Not invited]
  • 北太平洋亜寒帯移行領域における初夏の表層性魚類・イカ類群集の分布と海況の経年変化(1979-1995)
    平成8年度さけ・ます資源部会報告(遠水研)  10  -26  1997  [Not refereed][Not invited]
  • Distribution and abundance of chaetognaths along 180゜ longitude in the northern North Pacific Ocean during the summers of 1982 through 1989(共著)
    Plankton biology and ecology  44-  (1)  50  -70  1997  [Not refereed][Not invited]
  • Genetic stock identification of chum salmon in the north Pacific ocean and Bering Sea during the winter and summer of 1996(共著)
    North Pacific Anadromous Fish Commission  259-  1997  [Not refereed][Not invited]
  • Oceanographic Conditions and Distribution of Pelagic Nekton in the Northwestern North Pacific Ocean during the Summer and Fall in 1995 and 1996
    Bulletin of the Faculty of Fisheries, Hokkaido University  48-  (1-2)  13  -28  1997  [Not refereed][Not invited]
  • Interannual Variability in Distribution and Abundance of Pelagic Nekton and Oceanographic Condition in the Central North Pacific in Early Summer, 1979-1995
    Proceedings of the 1996 Salmon Workshop  10  -26  1997  [Not refereed][Not invited]
  • 高木 省吾, 前田 辰昭, 亀井 佳彦, 中谷 敏邦, 高津 哲也, 高橋 豊美  日本水産学会誌  62-  (2)  205  -212  1996  [Not refereed][Not invited]
  • Salmon stock Assessment aboard the Japanese Salmon Research Vessels in the North Pacific Ocean, 1996(共著)
    North Pacific Anadromous Fish Commission  210-  1  -29  1996  [Not refereed][Not invited]
  • Shogo Takagi, Tatsuaki Maeda, Yoshihiko Kamei, Toshikuni Nakatani, Tetsuya Takatsu, Toyomi Takahashi  Nippon Suisan Gakkaishi  62-  (2)  205  -212  1996  [Not refereed][Not invited]
  • スケトウダラ調査研究の歴史と問題点(共著)
    北海道立水産試験場研究報告  42-  1  -14  1993  [Not refereed][Not invited]
  • History and methodology of walleye pollock studies
    Scientific Reports of Hokkaido Fisheries Experimental Station  42-  1  -14  1993  [Not refereed][Not invited]
  • Upward Transport of Nutrieuts and Trace Metals in the North Pacific Subarctic Ocean(共著)
    Bulletin of the Faculty of Fisheries, Hokkaido University  43-  (4)  162  -168  1992  [Not refereed][Not invited]
  • 北海道檜山および後志沖合におけるスケトウダラ成魚の分布・回遊について(共著)
    水産庁漁業資源研究会議,北日本底魚部会報  22-  (1)  1  -18  1989  [Not refereed][Not invited]
  • 北海道南西部の日本海岸におけるスワトウダラの回遊について(共著)
    水産海洋研究  53-  (1)  38  -43  1989  [Not refereed][Not invited]
  • Distribution and migration of adult walleye pollock off Hiyama, Southwestern Hokkaido(共著)
    Alaska Sea Grant Report  89-  (1)  325  -347  1989  [Not refereed][Not invited]
  • 北東太平洋西経155度線上におけるイカ類3種の南北分布(共著)
    北海道大学水産学部研究彙報  37-  (3)  181  -189  1986  [Not refereed][Not invited]
  • Distribution and Abundance of Three Species of Squids along 155°w Longitude
    Bulletin of the Faculty of Fisheries, Hokkaido University  37-  (3)  181  -189  1986  [Not refereed][Not invited]

Research Grants & Projects

  • 北太平洋亜寒帯域の海洋構造と表層性魚類の分布
  • Oceanographic Conditions and Distribution of Pelagic Nekton in the North Pacific Ocean.

Educational Activities

Teaching Experience

  • Freshman Seminar
    開講年度 : 2018
    課程区分 : 学士課程
    開講学部 : 全学教育
    キーワード : フィールド,海洋環境,自然,グループ学習,課題発見,問題解決,プレゼンテーション,おしょろ丸

Campus Position History

  • 2014年4月1日 
    2016年3月31日 
    水産学部附属練習船おしょろ丸船長
  • 2016年4月1日 
    2018年3月31日 
    水産学部附属練習船おしょろ丸船長
  • 2018年4月1日 
    2020年3月31日 
    水産学部附属練習船おしょろ丸船長

Position History

  • 2014年4月1日 
    2016年3月31日 
    水産学部附属練習船おしょろ丸船長
  • 2016年4月1日 
    2018年3月31日 
    水産学部附属練習船おしょろ丸船長
  • 2018年4月1日 
    2020年3月31日 
    水産学部附属練習船おしょろ丸船長


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