2013 Fiscal Year Final Research Report
Field experiments on the restoration of hypoxic environment in enclosed bays: practice in Omura Bay as a simulator.
| Project/Area Number |
22248022
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| Research Category |
Grant-in-Aid for Scientific Research (A)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
General fisheries
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| Research Institution | Nagasaki University |
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Principal Investigator |
NAKATA Hideaki 長崎大学, 水産・環境科学総合研究科, 教授 (60114584)
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| Co-Investigator(Kenkyū-buntansha) |
MATSUOKA Kazumi 長崎大学, 水産・環境科学総合研究科, 教授 (00047416)
UMEZAWA Yu 長崎大学, 水産・環境科学総合研究科, 准教授 (50442538)
WADA Minoru 長崎大学, 水産・環境科学総合研究科, 准教授 (70292860)
KASAI Akihide 京都大学, フィールド科学教育研究センター, 准教授 (80263127)
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| Co-Investigator(Renkei-kenkyūsha) |
YAMAGUCHI Hitoshi 長崎大学, 工学研究科, 准教授 (10359143)
SUGIMOTO Ryou 福井県立大学, 海洋生物資源学部, 助教 (00533316)
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| Project Period (FY) |
2010-04-01 – 2014-03-31
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| Keywords | 水圏環境 / 環境保全 / 環境修復 |
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| Research Abstract |
Environmental restoration experiments using aeration combined with coastal bioremediation have been conducted in Omura Bay, an enclosed bay being suffering from hypoxia formation in the bottom water every summer, as a model area. Monitoring of nutrients, red-tide outbreaks, and microbial activities related to oxygen consumption has been made in parallel with the monitoring of hypoxia formation in the bottom water. The effectiveness of the restoration was synthetically evaluated and a practical plan for restoring sustainability and autonomous regulation of the Omura Bay ecosystem was newly proposed. Following our proposal, Nagasaki Prefecture will start practical field experiments in Omura Bay from the fiscal year 2014 as a part of the Action Plan for Environmental Conservation and Regional Promotion of Omura Bay.
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[Presentation] 内湾環境の診断と修復2012
Author(s)
中田英昭・山口仁士
Organizer
日本マリンエンジニアリング学会海洋環境研究委員会
Place of Presentation
長崎大学(長崎市)
Year and Date
2012-11-29
Invited
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