Quantitative study on the role of transport of particulate organic matter from a seagrass bed in coastal ecosystem

• Project/Area Number: 24510008
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Environmental dynamic analysis
• Research Institution: The University of Tokyo
• Principal Investigator: Fukuda Hideki 東京大学, 大気海洋研究所, 准教授 (30451892)
• Co-Investigator(Kenkyū-buntansha): MIYAJIMA Toshihiro 東京大学, 大気海洋研究所, 助教 (20311631)
• Project Period (FY): 2012-04-01 – 2016-03-31
• Project Status: Completed (Fiscal Year 2015)
• Budget Amount: ¥5,460,000 (Direct Cost: ¥4,200,000、Indirect Cost: ¥1,260,000); Fiscal Year 2014: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000); Fiscal Year 2013: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000); Fiscal Year 2012: ¥2,340,000 (Direct Cost: ¥1,800,000、Indirect Cost: ¥540,000)
• Keywords: 生物地球化学 / 沿岸生態学 / アマモ場 / 東日本大震災 / 海洋生態 / 環境変動 / 生態学 / 海洋保全

Outline of Final Research Achievements

Seagrass ground in the coastal ecosystem has a function to mitigate inflow load of particulate organic matter (POM) from the land area by inducing settling of POM and by following biological decomposition. We examined the role of the buffering function of seagrass ground in the material cycling in a low productive coastal ecosystem by comparing characteristics of suspended material and settling particle among seagrass grounds in Ostuchi Bay (northeastern Japan) damaged by the tsunami following the 2011 off the Pacific coast of Tohoku Earthquake. Our results revealed that a difference in coverage of seagrass changes physicochemical characteristic of biophilc elements transported from seagrass ground by affecting re-suspension process of sand and accumulation process of POM within seagrass ground.

Research Products

• [Journal Article] Nutrient status of Otsuchi Bay (northeastern Japan) following the 2011 off the Pacific coast of Tohoku Earthquake (2016)
  • Author(s): Hideki Fukuda, Ryosuke Katayama, Yanhui Yang, Hiroyuki Takasu, Yuichiro Nishibe, Atsushi Tsuda, Toshi Nagata
  • Journal Title: Journal of Oceanography Volume: 72 Pages: 39-52
  • Peer Reviewed
• [Journal Article] In-Lineホログラフィック技術による水中パーティクル・イメージング・システム（LISST-HOLO） (2014)
  • Author(s): 福田秀樹
  • Journal Title: 日本プランクトン学会報 Volume: 61 Pages: 1-5
  • NAID: 130007665360
  • Peer Reviewed
• [Journal Article] Effects of attached bacteria on organic aggregate settling velocity in seawater. (2013)
  • Author(s): Yamada, Y., Fukuda, H., Inoue, K., Kogure, K., and Nagata, T.
  • Journal Title: Aquatic Microbial Ecology Volume: 70 Issue: 3 Pages: 261-272
  • DOI: 10.3354/ame01658
  • Peer Reviewed / Open Access / Acknowledgement Compliant
• [Journal Article] Vertical distribution of prokaryote production and abundance in the mesopelagic and bathypelagic layers of the Canada Basin, western Arctic: Implications for the mode and extent of organic carbon delivery (2012)
  • Author(s): Mario Uchimiya, Hideki Fukuda, Shigeto Nishino, Takashi Kikuchi, Hiroshi Ogawa, Toshi Nagata
  • Journal Title: Deep-Sea Research I Volume: 71 Pages: 103-112
  • Peer Reviewed
• [Journal Article] Heterotrophic bacterial production and extracellular enzymatic activity in sinking particulate matter in the western North Pacific Ocean. (2012)
  • Author(s): Yamada N., H. Fukuda, H. Ogawa, H. Saito, M. Suzumura
  • Journal Title: Frontier in Aquatic Microbiology Volume: 3 Pages: 1-13
  • DOI: 10.3389/fmicb.2012.00379
  • Peer Reviewed
• [Presentation] 三陸沿岸の栄養塩 (2016)
  • Author(s): 福田秀樹
  • Organizer: 日本海洋学会
  • Place of Presentation: 東京大学、東京都
  • Year and Date: 2016-03-14
• [Presentation] Recoveries of pelagic ecosystems (2016)
  • Author(s): Hideki Fukuda
  • Organizer: International Symposium on Restoration after Great East Japan Earthquake
  • Place of Presentation: 東京大学、東京都
  • Year and Date: 2016-03-02
  • Int'l Joint Research
• [Presentation] Blade-order-dependent radiocarbon variability in brown seaweed (Undaria pinnatifida) reflected a cold Oyashio water intrusion event in an embayment of the Sanriku coast, northeastern Japan (2015)
  • Author(s): Naomi Satoh, Hideki Fukuda, Yosuke Miyairi, Yusuke Yokoyama, Toshi Nagata
  • Organizer: 2015 AGU Fall Meeting
  • Place of Presentation: San-Francisco, USA
  • Year and Date: 2015-12-14
  • Int'l Joint Research
• [Presentation] 地震と津波が栄養塩環境と物質循環プロセスに及ぼした影響 (2015)
  • Author(s): 永田俊・福田秀樹
  • Organizer: 日本水産学会
  • Place of Presentation: 東北大学、宮城県
  • Year and Date: 2015-09-08
• [Presentation] Reconstructing the environmental history of macroalgae by the use of dual carbon isotope tracers (2015)
  • Author(s): 佐藤菜央美・福田秀樹・宮入陽介・横山祐典・永田 俊
  • Organizer: 日本地球惑星科学連合
  • Place of Presentation: 幕張メッセ、千葉県
  • Year and Date: 2015-05-24
  • Int'l Joint Research
• [Presentation] 岩手県大槌湾における津波後の動物プランクトンの動態 (2015)
  • Author(s): 西部裕一郎・伊佐見啓・福田秀樹・永田俊・立花愛子・津田敦
  • Organizer: 日本海洋学会2015年春季大会
  • Place of Presentation: 東京海洋大学，品川区
  • Year and Date: 2015-03-24
• [Presentation] リグニン態フェノールおよび光学特性を指標とした大槌湾陸起源溶存態有機物に関する研究 (2014)
  • Author(s): 呂佳蓉・Ronald Benner・福田秀樹・山下洋平・小川浩史
  • Organizer: 日本海洋学会2014年秋季大会
  • Place of Presentation: 長崎大学，長崎市
  • Year and Date: 2014-09-14 – 2014-09-15
• [Presentation] 東日本大震災による大槌湾の栄養塩環境の攪乱と回復過程 (2014)
  • Author(s): 福田秀樹・高巣裕之・楊燕輝・西部裕一郎・小川浩史・津田敦・永田俊
  • Organizer: 日本海洋学会2014年秋季大会
  • Place of Presentation: 長崎大学，長崎市
  • Year and Date: 2014-09-14 – 2014-09-15
• [Presentation] 放射性炭素同位体比と炭素・窒素安定同位体比を利用した海藻の生育環境履歴の推定 (2014)
  • Author(s): 佐藤菜央美、福田秀樹、宮入陽介、横山祐典、永田俊
  • Organizer: 日本地球惑星科学連合2014年大会
  • Place of Presentation: パシフィコ横浜，横浜市
  • Year and Date: 2014-04-28
• [Presentation] PHYTOPLANKTON COMMUNITY IN OTSUCHI BAY AFTER THE GREAT EAST JAPAN EARTHQUAKE (2014)
  • Author(s): Atsushi Tsuda, Yuichiro Nishibe, Hajime Isami, Hideki Fukuda, Toshi Nagata
  • Organizer: ASLO 2014 Ocean Science Meeting
  • Place of Presentation: ホノルル，USA
• [Presentation] THE DISTRIBUTION OF DISSOLVED LIGNIN AS A TRACER OF TERRIGENOUS DISSOLVED ORGANIC MATTER IN OTSUCHI BAY, JAPAN (2014)
  • Author(s): Chia-Jung Lu, Ronald Benner, Cedric G. Fichot, Hideki Fukuda, Hiroshi Ogawa
  • Organizer: ASLO 2014 Ocean Science Meeting
  • Place of Presentation: ホノルル，USA
• [Presentation] 岩手県大槌湾における白金濃度の経時変化 (2013)
  • Author(s): 鈴木麻彩実・小畑 元・福田秀樹・小川浩史
  • Organizer: 日本海洋学会
  • Place of Presentation: 北海道大学，北海道
• [Presentation] 大槌湾の栄養塩環境の動態 (2013)
  • Author(s): 福田秀樹・片山僚介・小川浩史・津田 敦・永田 俊
  • Organizer: 日本海洋学会
  • Place of Presentation: 北海道大学，北海道
• [Presentation] The distribution of dissolved lignin as a tracer of terrigenous dissolved organic matter in Otsuchi Bay (2013)
  • Author(s): Chia-Jung Lu, Ronald Benner, Cedric G. Fichot, Hideki Fukuda, Hiroshi Ogawa
  • Organizer: 日本海洋学会
  • Place of Presentation: 北海道大学，北海道
• [Presentation] 春期黒潮周辺海域における懸濁粒子のサイズ分布およびその凝集・沈降特性 (2013)
  • Author(s): 福田秀樹・小松幸生・伊藤幸彦・齊藤宏明・鈴木光次・高橋一生・日高清隆・廣江 豊・安田一郎
  • Organizer: 日本海洋学会
  • Place of Presentation: 東京海洋大学
• [Presentation] 岩手県大槌湾における白金の分布と挙動 (2013)
  • Author(s): 鈴木 麻彩実・小畑 元・福田 秀樹・小川 浩史
  • Organizer: 日本海洋学会
  • Place of Presentation: 東京海洋大学
• [Presentation] 細菌による大型有機凝集物 (マリンスノー) の形成促進 (2013)
  • Author(s): 山田洋輔・福田秀樹・永田 俊
  • Organizer: 日本海洋学会
  • Place of Presentation: 東京海洋大学
• [Presentation] In-Lineホログラフィック技術による水中パーテル・イメジンシスム（LISST-HOLO） (2013)
  • Author(s): 福田秀樹
  • Organizer: 日本海洋学会（日本プランクトン学会シンポジウム）
  • Place of Presentation: 東京海洋大学