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KUDO Isao  工藤 勲

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… Alternative Names

工藤 勲  クドウ イサオ

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Researcher Number 00195455
Other IDs
Affiliation (based on the past Project Information) *help 2018 – 2023: 北海道大学, 水産科学研究院, 教授
2012 – 2014: 北海道大学, 水産科学研究科(研究院), 准教授
2010 – 2012: 北海道大学, 大学院・水産科学研究院, 准教授
2007: Hokkaido University, Faculty of Fisheries Sciences, Associate Professor
2005 – 2006: Hokkaido University, Faculty of Fish. Sci., Associate Professor, 大学院水産科学研究院, 助教授 … More
2005: Hokkaido University, Faculty of Fisheries Sciences, Associate Professor, 大学院・水産科学研究院, 助教授
2000 – 2004: 北海道大学, 大学院・水産科学研究科, 助教授
1996 – 1998: 北海道大学, 水産学部, 助手
1992: 北海道大学, 水産学部, 助手
1988 – 1989: 北海道大学, 水産学部, 助手 Less
Review Section/Research Field
Principal Investigator
Environmental dynamic analysis / Basic Section 40030:Aquatic bioproduction science-related / Environmental impact assessment/Environmental policy / General fisheries / 地球化学
Except Principal Investigator
General fisheries / Basic Section 63010:Environmental dynamic analysis-related / 広領域 / Environmental dynamic analysis / General fisheries / Environmental dynamic analysis
Keywords
Principal Investigator
栄養塩 / 植物プランクトン / 基礎生産 / 鉄 / bio-element cycle / primary production / nutrients / 石狩川 / 生元素循環 / ホタテガイ養殖 … More / 貧栄養化 / 物質循環 / ホタテガイ / 微量金属 / 栄養塩動態 / 栄養塩回帰 / 持続的ホタテガイ養殖 / 栄養塩循環 / 海底耕耘 / land-ocean interaction / biogenic silicon / Ishikari River / Ishikari Bay / chlorophylla / 物質環境 / 植物ブランクトン / 陸域海洋相互作用 / 生物起源ケイ素 / 石狩湾 / クロロフィルa / iron / Tokachi river / heterotrophic bacteria / phytoplankton / river-coastal ocean system / 炭素循環 / ウイルス / 十勝川 / 従属栄養バクテリア / 流域圏 / 硝化 / 逆エスチュアリー循環 / 栄養塩バランス / 貧栄養化現象 / 持続的漁業生産 / 栄養塩減少傾向 / 陸奥湾 / 食物連鎖網 / 噴火湾 / 重金属 / 生物濃縮 / ホタテ中腸腺 / カドミウム / クリーンテクニック / 新生産 / 生物生産 / 硝酸還元酵素 / 亜寒帯域 / 赤道域 / 一次生産 … More
Except Principal Investigator
基礎生産 / プランクトン / 植物プランクトン / 二枚貝 / 干潟 / 物質循環 / 栄養塩 / 精密分析 / 生元素 / レッドフィールド比 / 元素組成比 / サイズ分画 / 有機物粒子 / Propagation cage / Organic acids / Photoreduction / Coastal sea / Marine alga / Phytoplankton / Primary production / Iron / 食物連鎖 / 基礎生産力 / 鉄の還元 / スプリングブル-ム / 増殖礁 / 有機酸 / 光還元 / 沿岸海域 / 海藻 / 鉄 / ecosystem model / benthic animal / benthic diatom / prfimary production / tidal flat / 堆積物 / 沈降粒子 / 安定同位体比 / クロロフィルa / 親生物元素 / 生態系モデル / 底生動物 / 底生珪藻 / S Oshoro-Maru / T / Gulf of Alaska / Bering Sea / East-West Comparison / North Pacific / Climate Change / Marine Ecosystem / Sub-Arctic Gyre / おしょろ丸 / アラスカ湾 / ベーリング海 / 東西比較 / 北太平洋 / 気候変化 / 海洋生態系 / 亜寒帯循環 / dinoflagellates / bacteria / microzooplankton / dissolved organic carbon / mesozooplankton / microbial loop / grazing food chain / diatom bloom / メソ動物プランクトレ / 溶存有機物 / 渦鞭毛藻 / バクテリア / マイクロ動物プランクトン / メソ動物プランクトン / 微生物ループ / 生食食物連鎖 / 珪藻ブルーム / 底生微細総理 / 底生微細藻類 / 水圏環境 / 物質輸送 / 二次生産 / アサリ / 汽水域 / 排泄物 / 海鳥 Less
  • Research Projects

    (14 results)
  • Research Products

    (28 results)
  • Co-Researchers

    (19 People)
  •  Revisit a Redfield ratio as a reference value in marine bioactive element cycles

    • Principal Investigator
      YOSHIMURA Takeshi
    • Project Period (FY)
      2021 – 2023
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 63010:Environmental dynamic analysis-related
    • Research Institution
      Hokkaido University
  •  Understanding the Mechanisms of oligotrophication in Mutsu Bay for sustainable bivalve culturePrincipal Investigator

    • Principal Investigator
      KUDO Isao
    • Project Period (FY)
      2018 – 2020
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Review Section
      Basic Section 40030:Aquatic bioproduction science-related
    • Research Institution
      Hokkaido University
  •  Mechanism of oligotrphication elucidated in an intensive bivalve cultured bayPrincipal Investigator

    • Principal Investigator
      KUDO Isao
    • Project Period (FY)
      2012 – 2014
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Environmental dynamic analysis
    • Research Institution
      Hokkaido University
  •  Why secondary production of boreal brackish water is high?-Clarification over the maintenance mechanism of excellence and over benthic system-

    • Principal Investigator
      MONTANI Shigeru
    • Project Period (FY)
      2010 – 2012
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      General fisheries
    • Research Institution
      Hokkaido University
  •  Effects of fluvial nutrients and its historical change on lower trophic level productivity in subarctic coastal ecosystemPrincipal Investigator

    • Principal Investigator
      KUDO Isao
    • Project Period (FY)
      2006 – 2007
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Environmental dynamic analysis
    • Research Institution
      Hokkaido University
  •  海鳥類の排泄物が海洋表層の低次生産過程に及ぼす影響

    • Principal Investigator
      MONTANI Shigeru
    • Project Period (FY)
      2003 – 2004
    • Research Category
      Grant-in-Aid for Exploratory Research
    • Research Field
      General fisheries
    • Research Institution
      Hokkaido University
  •  Quantification of bio-elements dynamics in low - trophic level process of tidal flat region and the ecosystem model's construction

    • Principal Investigator
      MONTANI Shigeru
    • Project Period (FY)
      2003 – 2005
    • Research Category
      Grant-in-Aid for Scientific Research (A)
    • Research Field
      Environmental dynamic analysis
    • Research Institution
      Hokkaido University
  •  Dynamics of primary productivity in a subarctic coastal area affected by a large river discharge.Principal Investigator

    • Principal Investigator
      KUDO Isao
    • Project Period (FY)
      2003 – 2005
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Environmental impact assessment/Environmental policy
    • Research Institution
      HOKKAIDO UNIVERSITY
  •  Sub-Arcrtic Gyre Ecosystems and Its Response to Climate Change -East-West Comparative Study in the North Pacific

    • Principal Investigator
      SAITOH Sei-ichi
    • Project Period (FY)
      2002 – 2004
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      General fisheries
    • Research Institution
      Hokkaido University
  •  Role of diatom bloom irf marine ecosystem

    • Principal Investigator
      BAN Shuhei
    • Project Period (FY)
      2000 – 2001
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Environmental dynamic analysis
    • Research Institution
      University of Shiga Prefecture
      Hokkaido University
  •  食物連鎖系を通してホタテガイに濃縮されるカドミウムの濃縮機構の解明Principal Investigator

    • Principal Investigator
      工藤 勲
    • Project Period (FY)
      1997 – 1998
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      General fisheries
    • Research Institution
      Hokkaido University
  •  生化学的手法を用いた海洋における一次生産過程・特に窒素代謝に及ぼす鉄の影響評価Principal Investigator

    • Principal Investigator
      工藤 勲
    • Project Period (FY)
      1996
    • Research Category
      Grant-in-Aid for Encouragement of Young Scientists (A)
    • Research Field
      地球化学
    • Research Institution
      Hokkaido University
  •  海洋の湧昇域における生産規模と鉄の関係に関する研究Principal Investigator

    • Principal Investigator
      工藤 勲
    • Project Period (FY)
      1992
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Research Institution
      Hokkaido University
  •  Study on the contribution of iron to the increase of primary production in coastal sea

    • Principal Investigator
      MATSUNAGA Katsuhiko
    • Project Period (FY)
      1988 – 1989
    • Research Category
      Grant-in-Aid for General Scientific Research (B)
    • Research Field
      広領域
    • Research Institution
      Hokkaido University

All 2023 2022 2020 2019 2018 2014 2013 2012 2009 2008 2007 2006 2004 2003

All Journal Article Presentation

  • [Journal Article] Contribution of ammonium oxidizing archaea and bacteria to intensive nitrification during summer in Mutsu Bay, Japan2023

    • Author(s)
      Aizawa Akari、Watanabe Yuka、Hashioka Kaori、Kadoya Aya、Suzuki Satoru、Yoshimura Takeshi、Kudo Isao
    • Journal Title

      Regional Studies in Marine Science

      Volume: 63 Pages: 102984-102984

    • DOI

      10.1016/j.rsma.2023.102984

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-21K12219, KAKENHI-PROJECT-20H00633
  • [Journal Article] 陸奥湾の逆エスチャリー循環流-(1)夏季の湾口海洋観測2014

    • Author(s)
      河野航平、磯田豊、工藤勲、藤原将平、有田駿、小林直人、吉田達、扇田いずみ、高津哲也
    • Journal Title

      海と空

      Volume: 90 Pages: 11-16

    • NAID

      40020208111

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-24510003
  • [Journal Article] 陸奥湾の逆エスチャリー循環流-(2)数値モデル実験2014

    • Author(s)
      河野航平、磯田豊、工藤勲、吉田達、扇田いずみ、小林直人
    • Journal Title

      海と空

      Volume: 90 Pages: 17-25

    • NAID

      40020208131

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-24510003
  • [Journal Article] 陸奥湾における貧栄養化と二枚貝養殖の関連性2014

    • Author(s)
      工藤勲、吉村真理、橋岡香織、足立敏成、磯田豊
    • Journal Title

      沿岸海洋研究

      Volume: 52 Pages: 83-92

    • NAID

      130007797452

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-24510003
  • [Journal Article] Seasonal change of riverine nutrients and distribution of chlorophyll a in Ishikari Bay, subarctic oligotrophic coastal environment of Japan.2009

    • Author(s)
      Agboola, I, Yoshi, S., Kudo, I.
    • Journal Title

      La mer (印刷中)

    • Description
      「研究成果報告書概要(和文)」より
    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18510002
  • [Journal Article] Seasonal change of riverine nutrients and distribution of chlorophyll a in Ishikari Bay, subarctic oligotrophic coastal environment of Japan.2009

    • Author(s)
      Agboola, I., Yoshi, S., Kudo, I.
    • Journal Title

      La mer (in press)

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18510002
  • [Journal Article] The decline and fate of an iron-induced subarctic phytoplanktonn bloom.2004

    • Author(s)
      Boyd, P.W.C.S.Law, Y.Nojiri, C.S.Wong, Y.Nojiri, A.Tsuda, M.Levasseur, S.Takeda, R.Rivkin, P.J.Harrison, R.Strzepek, J.Gower, R.Mike McKay, E.Abraham, M.Arychuk, J.Barwell-Clarke, W.Crawford, D.Crawford, M.Hale, K.Harada, K.Johnson, H.Kiyosawa, I.Kudo, A.Marchetti, W.Miller, J.Needoba, J.Nishioka, H.Ogawa, J.Page, M.Robert, H.Saito, A.Sastri, N.Sherry, T.Soutar, N.Sutherland, Y.Taira, F.Whitney, S.-K.E.Wong, T.Yoshimura
    • Journal Title

      Nature 428

      Pages: 549-553

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14405026
  • [Journal Article] Size-fractionated iron distributions and iron-limitation processes in the subarctic NW Pacific.2003

    • Author(s)
      Nishioka, J., S.Takeda, I.Kudo, D.Tsumune, T.Yoshimura, K.Kuma, A.Tsuda
    • Journal Title

      Geophysical Research Letters 30(14) : 1730

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-14405026
  • [Presentation] 粒子状有機物をサイズ分画して炭素:窒素:リン:ケイ素組成比を測定するための手法の検討2022

    • Author(s)
      稲田真夕, 芳村毅, 工藤勲
    • Organizer
      日本海洋学会2022年度秋季大会
    • Data Source
      KAKENHI-PROJECT-21K12219
  • [Presentation] 養殖ホタテガイの栄養塩排出が沿岸域の窒素循環に及ぼす影響2020

    • Author(s)
      伊藤暉・工藤勲
    • Organizer
      日本海洋学会
    • Data Source
      KAKENHI-PROJECT-18K05776
  • [Presentation] 陸奥湾における硝化活性に対するアンモニア酸化微生物の寄与とその見積2019

    • Author(s)
      相澤明香里・工藤勲
    • Organizer
      日本プランクトン学会・日本ベントス学会合同大会
    • Data Source
      KAKENHI-PROJECT-18K05776
  • [Presentation] 陸奥湾における貧栄養化対策としての海底耕耘の有効性2018

    • Author(s)
      市村瞭、工藤勲
    • Organizer
      日本ブランクトンベントス学会合同大会
    • Data Source
      KAKENHI-PROJECT-18K05776
  • [Presentation] 陸奥湾において顕在化した貧栄養化とその要因2014

    • Author(s)
      工藤勲・吉村真理・橋岡香織・足立敏成・磯田豊
    • Organizer
      日本海洋学会春季大会
    • Place of Presentation
      東京海洋大学(東京都港区)
    • Data Source
      KAKENHI-PROJECT-24510003
  • [Presentation] 陸奥湾における基礎生産に占める暗所炭素取り込みの定量化2014

    • Author(s)
      足立敏成、橋岡香織、工藤勲
    • Organizer
      日本海洋学会秋季大会
    • Place of Presentation
      長崎大学、長崎県長崎市
    • Year and Date
      2014-09-15
    • Data Source
      KAKENHI-PROJECT-24510003
  • [Presentation] 陸奥湾における逆エスチュアリー循環流の季節変化2013

    • Author(s)
      河野航平・磯田豊・工藤勲・吉田達・扇田いずみ
    • Organizer
      日本海洋学会秋季大会
    • Place of Presentation
      北海道大学(北海道札幌市)
    • Data Source
      KAKENHI-PROJECT-24510003
  • [Presentation] 陸奥湾における貧栄養化と二枚貝養殖の関連性2013

    • Author(s)
      工藤 勲
    • Organizer
      日本海洋学会秋季大会
    • Place of Presentation
      北海道大学(北海道札幌市)
    • Invited
    • Data Source
      KAKENHI-PROJECT-24510003
  • [Presentation] 陸奥湾における堆積物中の生元素埋没量の歴史的変遷2013

    • Author(s)
      吉村真理・横内佑都美・工藤 勲
    • Organizer
      日本海洋学会春季大会
    • Place of Presentation
      東京東海大学(東京都)
    • Data Source
      KAKENHI-PROJECT-24510003
  • [Presentation] 陸奥湾底層における硝化速度とアンモニア酸化生物群集の関連性2012

    • Author(s)
      橋岡香織・堤 正純・吉村真理・小島久弥・福井学・工藤勲
    • Organizer
      日本海洋学会秋季大会
    • Place of Presentation
      東海大学(静岡県)
    • Data Source
      KAKENHI-PROJECT-24510003
  • [Presentation] 陸奥湾における堆積物中の生元素動態に基づく生物生産過程の評価2012

    • Author(s)
      吉村真理・橋岡香織・工藤 勲
    • Organizer
      日本海洋学会秋季大会
    • Place of Presentation
      東海大学(静岡県)
    • Data Source
      KAKENHI-PROJECT-24510003
  • [Presentation] Spatio-temporal analyses of nutrients and phytoplankton biomass in sub-arctic coastal environment of Japan2008

    • Author(s)
      Agboola, J. I., Kudo, I.
    • Organizer
      American Society of Limnology and Oceanography, 2008 Summer Meeting
    • Place of Presentation
      St. John's, Canada
    • Year and Date
      2008-06-10
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18510002
  • [Presentation] Spatio-temporal analyses of nutrients and phytoplankton biomass in sub-arctic coastal environment of Japan2008

    • Author(s)
      Agboola, J. I., Kudo, I.
    • Organizer
      American Society of Limnology and Oceanography
    • Place of Presentation
      St. John's, Canada
    • Year and Date
      2008-06-10
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-18510002
  • [Presentation] Dynamics of pelagic variables in two contrasting coastal systems in the western Hokkaido coast off Otaru.2008

    • Author(s)
      Agboola, J. I., Kudo, I.
    • Organizer
      Eighth EMECS (Environmental Management of Enclosed Coastal Seas) Conference
    • Place of Presentation
      Shanghai, China
    • Year and Date
      2008-11-29
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-18510002
  • [Presentation] Dynamics of pelagic variables in two contrasting coastal systems in the western Hokkaido coast off Otaru2008

    • Author(s)
      Agboola, J. I., Kudo, I.
    • Organizer
      Eighth EMECS (Environmental Management of Enclosed Coastal Seas) Conference 2008
    • Place of Presentation
      Shanghai, China
    • Year and Date
      2008-11-29
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18510002
  • [Presentation] Variation of primary productivity reproduced from biogenic silica in the sediment core in Ishikari Bay2007

    • Author(s)
      Hidaka, Y., Yoshi, S., Kudo, I.
    • Organizer
      Oceanographic Society of Japan, Fall meeting
    • Place of Presentation
      Ryukyu University, Naha
    • Year and Date
      2007-09-23
    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-18510002
  • [Presentation] 石狩湾堆積物中における生物起源ケイ素を指標とした基礎生産変動2007

    • Author(s)
      日高 康晴・吉 俊輔・工藤 勲
    • Organizer
      日本海洋学会
    • Place of Presentation
      琉球大学工学部
    • Year and Date
      2007-09-28
    • Data Source
      KAKENHI-PROJECT-18510002
  • [Presentation] 石狩湾堆積物中における生物起源ケイ素を指標とした基礎生産変動2007

    • Author(s)
      日高康晴, 吉俊輔, 工藤勲
    • Organizer
      日本海洋学会
    • Place of Presentation
      琉球大学、那覇市
    • Year and Date
      2007-09-23
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-18510002
  • [Presentation] 石狩湾における石狩川ブルームの分布特徴と基礎生産に及ぼす影響2006

    • Author(s)
      吉俊輔, 工藤勲
    • Organizer
      日本海洋学会
    • Place of Presentation
      名古屋大学、名古屋市
    • Year and Date
      2006-09-25
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-18510002
  • [Presentation] ウイルス溶菌が従属栄養細菌群集の死亡速度に及ぼす影響2006

    • Author(s)
      内宮万里央, 吉俊輔, 工藤勲
    • Organizer
      日本海洋学会
    • Place of Presentation
      名古屋大学、名古屋市
    • Year and Date
      2006-09-26
    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-18510002
  • 1.  MONTANI Shigeru (30136288)
    # of Collaborated Projects: 5 results
    # of Collaborated Products: 0 results
  • 2.  SAITOH Sei-ichi (70250503)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 3.  ISODA Yutaka (10193393)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 5 results
  • 4.  KUMA Kenshi (30205158)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 1 results
  • 5.  YOSHIMURA Takeshi (20371536)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 2 results
  • 6.  BAN Shuhei (50238234)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 7.  MARUO Masahiro (80275156)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 8.  IIDA Koji (40142707)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  SAKURAI Yasunori (30196133)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  SHIGA Naonobu (30091466)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  MIZUTA Hiroyuki (00250499)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 12.  TADA Kuninao (80207042)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 13.  YANAGI Tetsuo (70036490)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 14.  TSUTSUMI Hiroaki (50197737)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 15.  SAWABE Tomoo (30241376)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 16.  MATSUNAGA Katsuhiko (90001619)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 17.  KAJIHARA Masahiro (20001604)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 18.  今井 圭理 (40725983)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 19.  斎藤 誠一
    # of Collaborated Projects: 0 results
    # of Collaborated Products: 1 results

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