Dynamics of suspended substances in coastal waters

• Project/Area Number: 24510018
• Research Category: Grant-in-Aid for Scientific Research (C)
• Allocation Type: Multi-year Fund
• Section: 一般
• Research Field: Environmental dynamic analysis
• Research Institution: Tokai University
• Principal Investigator: YOSHIKAWA Takashi 東海大学, 海洋学部, 准教授 (80399104)
• Co-Investigator(Kenkyū-buntansha): NIKI Masato 東海大学, 海洋学部, 准教授 (30408033)
• Co-Investigator(Renkei-kenkyūsha): KON Koetsu 東海大学, 生命環境科学研究科, 助教 (40626868)
• Project Period (FY): 2012-04-01 – 2015-03-31
• Project Status: Completed (Fiscal Year 2014)
• Budget Amount: ¥5,590,000 (Direct Cost: ¥4,300,000、Indirect Cost: ¥1,290,000); Fiscal Year 2014: ¥1,170,000 (Direct Cost: ¥900,000、Indirect Cost: ¥270,000); Fiscal Year 2013: ¥1,690,000 (Direct Cost: ¥1,300,000、Indirect Cost: ¥390,000); Fiscal Year 2012: ¥2,730,000 (Direct Cost: ¥2,100,000、Indirect Cost: ¥630,000)
• Keywords: 浮遊懸濁物 / 多元素 / 同位体比 / 環境変動 / 物質循環 / 化学海洋 / 生物海洋

Outline of Final Research Achievements

Origin of micro elements of coastal waters and food-web structure of coastal ecosystems were investigated in Mikawa Bay, Batan Bay in Philippines and Bandon Bay in Thailand.

Research Products

• [Journal Article] Organic contents and pH profiles of sediments in cockle farm at Bandon Bay, Surat Thani Province (2015)
  • Author(s): C. Sukudom, M. Kaewnern, I. Wudtisin, T. Yoshikawa, Y. Okamoto, K. Watanabe, S. Ishikawa & J. Salaenoi
  • Journal Title: Khon Kaen Agricultural Journal Volume: 43 (2) Pages: 265-276
  • Peer Reviewed
• [Journal Article] 前島（三河湾）の転石地潮間帯の貝類相‐特徴的な16種の記録 (2015)
  • Author(s): 早瀬善正、大貫貴清、吉川 尚、松永育之、社家間 太郎
  • Journal Title: 日本貝類学会研究連絡誌 Volume: 45 (3) Pages: 105-122
  • NAID: 40020494828
  • Peer Reviewed
• [Presentation] Food Web Structure of Batan Bay, Panay Island, Philippines: A preliminary study using CN stable isotope analysis on fishery products (2015)
  • Author(s): Yuki Okamoto, Satoshi Ishikawa, Nathaniel C. Añasco, Hilario Taberna Jr., Alan Dino Moscoso, Mae Grace G. Nillos, Ida Pahila, Yuya Ogawa, Mamoru Kanzaki, Koetsu Kon, Tomoko Kishino, Takashi Yoshikawa, Kou Ikejima
  • Organizer: 平成27年度日本水産学会春季大会
  • Place of Presentation: 東京海洋大学（東京・品川区）
  • Year and Date: 2015-03-26 – 2015-03-30
• [Presentation] カンボジア王国トンレサップ湖の栄養状態とプランクトン出現種 (2015)
  • Author(s): 吉川尚・佐々木将大・山田美帆・松浦弘行・堀美菜・Hort Sitha・Nao Thuok・石川智士
  • Organizer: 平成27年度日本水産学会春季大会
  • Place of Presentation: 東京海洋大学（東京・品川区）
  • Year and Date: 2015-03-26 – 2015-03-30
• [Presentation] Phytoplankton distribution and water qualities in aquaculture area at Bandon Bay, Surat Thani Province. (2015)
  • Author(s): Bussaya Plongon, Chatcharee Kaewsuralikhit, Pailin Jitchum, Takashi Yoshikawa, Yuki Okamoto, Kazuya Watanabe, Satoshi Ishikawa, Jintana Salaenoi
  • Organizer: 7th national conference on algae and plankton 2015
  • Place of Presentation: Bangkok, Thailand
  • Year and Date: 2015-03-01
• [Presentation] カンボジア王国のトンレサップ湖及び流入河川における微量元素濃度 船越圭佑 (2014)
  • Author(s): 宮本浩史、吉川 尚、高木 映、堀 美菜、申 基澈、中野孝教、岡本侑樹、石川智士、Hort Sitha、Nao Thuok
  • Organizer: 第４回同位体環境学シンポジウム
  • Place of Presentation: 地球研（京都市）
  • Year and Date: 2014-12-22
• [Presentation] Distribution of juvenile shrimps and fishes in abandoned bonds in Batan Bay, Philippines: a preliminary analysis with potential natural disturbance. (2014)
  • Author(s): Kou IKEJIMA, Kaori TAKEUCHI, Koetsu KON, Takashi YOSHIKAWA, Nathaniel ANASCO, Satoshi ISHIKAWA.
  • Organizer: ISCFAS 2014 (International Scientific Conference on Fisheries and Aquatic Sciences: Towards to Disaster and Climate Resilience 2014
  • Place of Presentation: Iloilo, Philippines.
  • Year and Date: 2014-10-22 – 2014-10-23
• [Presentation] タイ南部・バンドン湾における貝類養殖漁場の水質評価 ‐微量元素分析を用いて‐. (2014)
  • Author(s): 岡本侑樹・石川智士・申基澈・中野孝教・渡邉一哉・吉川尚・Jintana Salaenoi
  • Organizer: 平成26年度日本水産学会秋季大会
  • Place of Presentation: 九州大学（福岡市）
  • Year and Date: 2014-09-19 – 2014-09-22
• [Presentation] Preliminary survey on food-web structure and water characteristics of bivalve aquaculture area in Bandon bay, Surat Thani province, Thailand (2014)
  • Author(s): Y. Okamoto, K. Kon, K. Watanabe, T. Yoshikawa, J. Salaenoi and S. Ishikawa
  • Organizer: 9th WESTPAC International Scientific Symposium
  • Place of Presentation: Nha Trang, Vietnam
  • Year and Date: 2014-04-22 – 2014-04-25
• [Presentation] Biological and environmental diversities of the Higashi-Hazu tidal flat and adjacent macrophyte beds in Mikawa Bay, Japan (2014)
  • Author(s): T. Yoshikawa, Y. Hayase, T. Tanekura, T. Shakema, Y. Matsunaga, D. Hayashi, H. Matsuura, S. Ishikawa
  • Organizer: 9th WESTPAC International Scientific Symposium
  • Place of Presentation: Nha Trang, Vietnam
  • Year and Date: 2014-04-22 – 2014-04-25
• [Presentation] Spatial variation in strontium isotopic and elemental composition of bodies of water around the Batan Bay Estuary (2014)
  • Author(s): Hilario Taberna Jr, Yuki Okamoto, Mae Grace Nillos, Ida Pahila, Nathaniel Añasco, Takashi Yoshikawa, Kichoel Shin, Takanori Nakano and Satoshi Ishikawa.
  • Organizer: 9th WESTPAC International Scientific Symposium
  • Place of Presentation: Nha Trang, Vietnam
  • Year and Date: 2014-04-22 – 2014-04-25
• [Presentation] Characterizing sediment acid volatile sulfide and organic matter of Batan Bay Estuary. (2014)
  • Author(s): Ida Pahila, Yuki Okamoto, Mae Grace Nillos, Hilario Taberna Jr, Nathaniel Añasco, Takashi Yoshikawa and Satoshi Ishikawa.
  • Organizer: 9th WESTPAC International Scientific Symposium
  • Place of Presentation: Nha Trang, Vietnam
  • Year and Date: 2014-04-22 – 2014-04-25
• [Presentation] タイ・ラヨーン沿岸における定置網漁獲物の栄養段階 (2014)
  • Author(s): 今孝悦（筑波大下田セ）・Udom Khrueniam・有元貴文(海洋大)・吉川尚（東海大海洋）・岡本侑樹・石川智士（地球研）
  • Organizer: 平成２６年度日本水産学会春季大会 ミニシンポジウム「微量元素・同位体を指標とした沿岸域の物質動態研究の現状と展望」
  • Place of Presentation: 北海道大学（函館市）
• [Presentation] カンボジア王国トンレサップ湖流入河川水の栄養塩及び微量元素 (2014)
  • Author(s): 44) 宮本浩史・○吉川尚（東海大海洋）・高木映・石川智士（地球研）・堀美菜（高知大黒潮圏）・Hort Sitha・Nao Thuok（カンボジア王国水産局）
  • Organizer: 平成２６年度日本水産学会春季大会
  • Place of Presentation: 北海道大学（函館市）
• [Presentation] 三河湾東幡豆干潟における底生生物群集の食物網構造 (2013)
  • Author(s): 古賀太・○佐藤晴彦・深松優宝・宮本浩史・吉川尚・松浦弘行・仁木将人・野原健司（東海大海洋）・林崎健一（北里大海洋）・石川智士（地球研）
  • Organizer: 平成25年度日本水産学会秋季大会
  • Place of Presentation: 三重大学
• [Presentation] Stable isotope analysis of set-net catch in Rayong, Thailand (2013)
  • Author(s): U. Khrueniam, T.Arimoto, T.Yoshikawa, K.Kon, Y.Okamoto, M.Yap, S.Ishikawa, K.Phuttharaksa, R.Munprasit, P.Laongmanee
  • Organizer: 平成25年度日本水産学会秋季大会
  • Place of Presentation: 三重大学
• [Presentation] Environmental Assessment and Ecosystem Health Survey (Component 3): Progress Report of Activities in Thailand (2013)
  • Author(s): Takashi Yoshikawa, Sukchai Arnupapboon, Ratana Munprasit, Jintana Salaenoi, Kazuya Watanabe, Yuki Okamoto, Udom Khrueniam, Takafumi Arimoto
  • Organizer: RIHN AC Project Joint Seminar in Thailand
  • Place of Presentation: Kasetsart University, EMDEC, Thailand