Elucidation of mechanisms of occurrence, sustentation, and transport of harmful algal blooms in the Sea of Japan, and development of prediction system

2009 Fiscal Year Final Research Report

• Project/Area Number: 19780159
• Research Category: Grant-in-Aid for Young Scientists (B)
• Allocation Type: Single-year Grants
• Research Field: General fisheries
• Research Institution: National Fisheries University
• Principal Investigator: ONITSUKA Goh National Fisheries University, 中央水産研究所, 研究員 (40399647)
• Project Period (FY): 2007 – 2009
• Keywords: 水圏環境・保全 / 赤潮 / Cochlodinium plykrikoides / 日本海 / 対馬暖流 / 生態系モデル

Research Abstract

観測データ及び数値モデルを用いて、山陰沿岸での有害藻類赤潮発生機構を明らかにした。過去の発生事例解析から、2002年以降に山陰沿岸で発生したコクロディニウム赤潮は、対馬暖流上流域から輸送された海流依存型赤潮である可能性が高く、この赤潮は、対馬暖流上流域の大規模発生、対馬海峡周辺の南西風、山陰沖の対馬暖流の接岸流路、という3つの要因が揃ったときに発生することが示唆された。

Research Products

• [Journal Article] Large-scale transport of Cochlodinium polykrikoides blooms by the Tsushima Warm Current in the southwest Sea of Japan. (2010)
  • Author(s): Onitsuka G, Miyahara K, Hirose N, Watanabe S, Semura H, Hori R, Nishikawa T, Miyaji K, Yamaguchi M
  • Journal Title: Harmful Algae 9 Pages: 390-397
  • Peer Reviewed
• [Journal Article] Enhanced chlorophyll associated with island-induced cyclonic eddies in the eastern channel of the Tsushima Straits. (2009)
  • Author(s): Onitsuka G, Morimoto A, Takikawa T, Watanabe A, Moku M, Yoshikawa Y, Yanagi T
  • Journal Title: Estuar Coast Shelf Sci 81 Pages: 401-408
  • Peer Reviewed
• [Presentation] Transboundary harmful algal bloom in the southwest Sea of Japan. (2010)
  • Author(s): Onitsuka G, Miyahara K, Hirose N, Watanabe S, Semura H, Hori R, Nishikawa T, Miyaji K, Yamaguchi M
  • Organizer: 2010 Ocean Sciences Meeting
  • Place of Presentation: Portland
  • Year and Date: 2010-02-24
• [Presentation] 山陰沿岸におけるコクロディニウム・ポリクリコイデス赤潮の発生機構と予察技術の開発 (2010)
  • Author(s): 鬼塚剛, 宮原一隆, 広瀬直毅, 渡辺秀洋, 勢村均, 堀玲子, 西川哲也, 宮地邦明, 山口峰生
  • Organizer: 水研-JAXA共同研究発表会「衛星観測システムの海洋生態系研究及び水産業への利用のための基盤技術に関する研究」
  • Place of Presentation: 東京
  • Year and Date: 2010-02-05
• [Presentation] Monitoring and modeling of Cochlodinium polykrikoides bloom in the southwestern Sea of Japan (2009)
  • Author(s): Onitsuka G, Hirose N, Miyahara K, Watanabe S, Semura H, Hori R, Nishikawa T
  • Organizer: PICES 18th Annual Meeting
  • Place of Presentation: Jeju
  • Year and Date: 2009-10-27
• [Presentation] Monitoring and modeling in the Japan Sea (2008)
  • Author(s): Onitsuka G, Hirose N, Miyahara K, Watanabe S, Semura H, Hori R
  • Organizer: Workshop on Marine Environment in the East China Sea and Its Sound Future
  • Place of Presentation: 福岡
  • Year and Date: 2008-12-06