Relationship between growing number of river water quality and cyanobacteria by blue-green in lake

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  • Makino Ikuyo
    Environment Conservation Research Center, Tohoku University
  • Yahagi Yuji
    Graduate School of Engineering, Shibaura Institute of Technology

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Other Title
  • 河川水質の特徴とアオコ形成種の増殖との関係
  • カセン スイシツ ノ トクチョウ ト アオコ ケイセイシュ ノ ゾウショク ト ノ カンケイ

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With the nationwide spread of tourist attractions like campgrounds, recreational fishing, and fish farming, there are concerns over environmental degradation of rivers. This research has used the AGP (Algal Growth Potential) test to conduct studies on reservoir algae (Microcystis aeruginosa) proliferation testing, caused by fish farming, and artificial fishing bait (paste bait). The following conclusions were as follows. Artificial fishing bait (paste bait) greatly associates with the proliferation of Microcystis aeruginosa. In the algae proliferation testing using river water sampling, it was thought that releasing fishing bait into reservoirs was the cause of the eutrophication phenomenon.

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