Development of Suppression and Reduction System for Toxic Cyanobacteria in Asia Pacific Region

亚太地区有毒蓝藻抑制和减少系统的开发

• 批准号: 17360260
• 负责人: IWAMI Norio
• 金额: $ 10.51万
• 依托单位: Meisei University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 2005
• 资助国家: 日本
• 起止时间: 2005 至 2007
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-17360260/
• 关键词: Asia Pacific Region; Bioreactor; Decrease; Hydrophyte; Predation and Decomposition; Suppression; Toxic cyanobacteria; Water bloom; 捕食分解

In this study, suppressing effect to harmful cyanobacteria, such as Microcystis by hybrid system which has combined channel planting hydrophyte for removal of nutrients and bioreactor fixing predacious microanimals was examined on experiment pond in Thailand. The fibroid carrier produced with waste plastic which had become unused in the locale was filled to the bioreactor, and Puckboong as eatable hydrophyte had been planted to the channel. The removal ability of toxic Microcystis was examined for a long term by this hybrid system, as a result the bioreactor achieved removal ratio more than 95%. Microanimal almost not detected on the experiment pond was gathered with high dense to the surface of carrier in bioreactor, and a lot of the microanimal community preying on Microcystis was observed. There is a possibility that microcystin remains in the bioreactor after the microanimal preys on Microcystis. As a result of the analysis that used high price performance liquid chromatography (HPLC), microcystin was not detected from outflow water of the bioreactor. This result suggests having the ability to produce enzymes by which either the microanimal or the bacteria in the bioreactor decomposes microcystin. The safety of hydrophyte as for food has improved because microcystin was completely decomposed though outflow water of the bioreactor enters the channel. The average removal ratio of nitrate-nitrogen and ammonium-nitrogen in the channel was 40% and 30% respectively. Moreover, a part of Puckboong that grew up was able to be harvested from the channel once about two weeks. Proper management to remove the nutrient from the pond water became possible by taking out Puckboong that grew up from the channel. In addition, the main material of this hybrid system confirmed obtaining was easy in Thailand.

本研究在泰国的实验池中，考察了沟槽种植水生植物去除营养物与生物反应器固定食肉性微动物相结合的杂交系统对微囊藻等有害蓝藻的抑制效果。将现场未使用的废塑料制成的肌瘤载体填充到生物反应器中，并在通道中种植可食用水生植物Puckboong。该混合系统对有毒微囊藻的去除率进行了长期考察，结果表明该生物反应器的去除率达到95%以上。实验池中几乎未检测到的微动物高密度聚集到生物反应器的载体表面，并观察到大量捕食微囊藻的微动物群落。微囊藻捕食微囊藻后，有可能微囊藻毒素残留在生物反应器中。采用高效液相色谱法（HPLC）对生物反应器出水进行分析，未检出微囊藻毒素。这一结果表明，有能力产生酶的微生物动物或细菌在生物反应器中分解微囊藻毒素。由于微囊藻毒素在生物反应器出水进入河道后被完全分解，提高了水生植物作为食品的安全性。硝态氮和氨态氮的平均去除率分别为40%和30%。另外，长出来的部分蒲蒲大约两周就能从河道中收获一次。通过清除从河道中生长出来的蒲公，可以对池塘水中的营养物质进行适当的管理。此外，该混合系统的主要材料证实在泰国容易获得。

项目成果

Control of toxic cyanobacterial blooms using eco-engineering methods

利用生态工程方法控制有毒蓝藻水华

• 发表时间: 2006
• 期刊: The Second Scientific Congress of East Asian Federation of Ecological Societies Vol.2
• 作者: Itayama TOMOAKI;Norio IWAMI;Yuhei INAMORI
• 通讯作者: Yuhei INAMORI

これからの大学等研究施設 第3編「環境科学編」

未来大学研究设施第3部分“环境科学”

• 发表时间: 2006
• 作者: 熊谷 朝臣;小松 光;智和 正明;大槻 恭一(分担)編: 森林水文学編集委員;森林水文学編集委員;大槻 恭一・熊谷 朝臣(分担)編: 全国大学演習林協議会;大槻 恭一(分担)編: これからの大学等研究施設編集委員会
• 通讯作者: 大槻 恭一(分担)編: これからの大学等研究施設編集委員会

Growth suppression of harmful cyanobacteria in eutrophication ponds and marshes of Thailand with hybrid reactor

利用混合反应器抑制泰国富营养化池塘和沼泽中有害蓝藻的生长

• 发表时间: 2008
• 作者: Norio IWAMI;Tomoaki ITAYAMA;Takashi KUWABARA;Yasuo OZAKI;Korntip Kannika;Niwooti Whangchiai;Werawan Ruangyuttikarn
• 通讯作者: Werawan Ruangyuttikarn

Degradation of the cyanobacterial hpatotoxin microcystin by bacteria isolated from a monoxenic culture of the flagellate Monas guttula

从鞭毛单胞菌培养物中分离出的细菌降解蓝藻毒素微囊藻毒素

• 发表时间: 2007
• 期刊: Jap. Jour. Water Treatment Biology Vol. 43, No. 2
• 作者: Naoshi Fujimoto;Naoki Ohno;Kunihiro Tanaka;Itaru Narahara;Akihiro Ohnishi;Masaharu Suzuki;Norio Iwami;Motoyuki Mizuochi;Yuhei Inamori
• 通讯作者: Yuhei Inamori

藍藻の捕食者と有毒アオコ対策

针对蓝绿藻天敌和有毒藻华的措施

• 发表时间: 2005
• 期刊: 月刊海洋 Vol.37, No.5
• 作者: 板山朋聡;田中伸幸;岩見徳雄;稲森悠平
• 通讯作者: 稲森悠平