Relationship between jellyfish blooms and environmental changes

• Project/Area Number: 18510007
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Single-year Grants
• Section: 一般
• Research Field: Environmental dynamic analysis
• Research Institution: Tokyo University of Marine Science and Technology
• Principal Investigator: ISHII Haruto Tokyo University of Marine Science and Technology, 海洋科学部, 助教 (30251680)
• Project Period (FY): 2006 – 2008
• Project Status: Completed (Fiscal Year 2008)
• Budget Amount: ¥4,080,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥480,000); Fiscal Year 2008: ¥910,000 (Direct Cost: ¥700,000、Indirect Cost: ¥210,000); Fiscal Year 2007: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2006: ¥2,000,000 (Direct Cost: ¥2,000,000)
• Keywords: クラゲ / 環境変動 / 東京湾 / ポリプ / 食物連鎖 / 大発生 / 貧酸素水塊 / 付着生物 / 大量発生 / 沿岸域 / ミズクラゲ / 環境変化

Research Abstract

ミズクラゲの大量発生と環境変動との関連性を調べた結果、海域の富栄養化とそれに伴う貧酸素水域の拡大および餌生物の小型が大きく影響していることが判明した。また、人工構造物の増加もポリプの生育に大きく貢献していることが明らかとなった。

Research Products

• [Journal Article] Effects of low dissolved oxygen on planula settlement and poly growth and asexual reproduction of Aurelia aurita (2008)
  • Author(s): H. Ishii, T. Ohba and T. Kobayashi
  • Journal Title: Plankton Benthos Res 3 Pages: 107-113
  • Peer Reviewed
• [Journal Article] Effects of low dissolved oxygen on planula settlement and poly growth and asexual reproduction of Aurelia aurita. (2008)
  • Author(s): H. Ishii. T. Ohba, T. Kobayashi
  • Journal Title: Plankt. Benthos Res. 3 Pages: 107-113
  • Peer Reviewed
• [Journal Article] Effects of low dissolved oxygen on planula settlement and poly growth and asexual reproduction of Aurelia aurita. (2008)
  • Author(s): H.Ishii, T. Ohba and T. Kobayashi
  • Journal Title: Plankt. Benthos Res. 3(印刷中)
  • Peer Reviewed
• [Journal Article] Respiration rates and metabolic demands of Aurelia aurita in Tokyo Bay with special reference to large medusae (2006)
  • Author(s): H. Ishii and F. Tanaka
  • Journal Title: Plankton Benthos Res 1 Pages: 64-67
  • NAID: 10017411008
  • Peer Reviewed
• [Journal Article] Respiration rates and metabolic demands of Aurelia aurita in Tokyo Bay with special reference to large medusae. (2006)
  • Author(s): H.Ishii, F.Tanaka
  • Journal Title: Plankt. Benthos Res. 1 Pages: 64-67
  • NAID: 10017411008
• [Presentation] Horizontal and vertical distribution of jellyfish, Aurelia aurita medusae, and its feeding impact on zooplankton community in Tokyo Bay (2009)
  • Author(s): H. Ishii, Y. Nogata, N. Endo, T. Tsubono, N. Nakashiki
  • Organizer: ASLO Meeting 2009
  • Place of Presentation: Nice, France
  • Year and Date: 2009-01-28
• [Presentation] 対馬周辺海域から日本海における鉢クラゲ類3種の目視による分布と個体数密度の推定 (2008)
  • Author(s): 石井晴人, 武藤裕子, 内田圭一, 東海正, 峰雄二, 野田明, 濱田浩明, 山崎紗衣子, 加藤修
  • Organizer: 日本海洋学会秋季大会
  • Place of Presentation: 広島国際大学呉キャンパス
  • Year and Date: 2008-09-26
• [Presentation] ミズクラゲのポリプにおける物理的損傷が生残・成長及び増殖に与える影響 (2008)
  • Author(s): 石井晴人, 堀川晶恵
  • Organizer: 日本プランクトン・ベントス学会合同大会
  • Place of Presentation: 熊本県立大学
  • Year and Date: 2008-09-05
• [Presentation] Seasonal changes on the density of Aurelia aurita polyps in the innermost part of Tokyo Bay (2007)
  • Author(s): H. Ishii and K. Katsukoshi
  • Organizer: Second International Jellyfish Bloom Symposium
  • Place of Presentation: Gold Coast, Australia
  • Year and Date: 2007-06-26
• [Presentation] 東京湾におけるミズクラゲAurelia auritaの日周鉛直分布 (2007)
  • Author(s): 石井晴人、望月晴加、野方靖行、坂口勇、松村清隆、仲敷憲和
  • Organizer: 日本プランクトン・ベントス学会合同大会
  • Place of Presentation: 横浜市立大学
  • Year and Date: 2007-06-26
• [Presentation] Seasonal changes on the density of Aurelia aurita polyps in the innermost part of Tokyo Bay (2007)
  • Author(s): H. Ishii, K. Katsukoshi
  • Organizer: 2^<nd> International Jellyfish Blooms Symposium
• [Book] 海洋プランクトン生態学-微小生物の海 (2008)
  • Author(s): 石井晴人・秋保太郎・松田宗平
  • Publisher: ゼラチン質プランクトン
• [Book] 海洋プランクトン生態学-微小生物の海 (2008)
  • Author(s): 石井晴人, 秋保太郎, 松田宗平
  • Total Pages: 335
  • Publisher: 成山堂
• [Book] 海洋プランクトン生態学-微小生物の海 (2008)
  • Author(s): 石井晴人・秋保太郎・松田宗平
  • Total Pages: 335
  • Publisher: 成山堂
• [Remarks]
  • URL: http://liaison.s.kaiyodai.ac.jp/db/profile.php?yomi=ISHII,Haruto
• [Remarks]
  • URL: http://liaison.s.kaiyodai.ac.jp/db/profile.php?yomi=ISHII,Haruto