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Water Quality Chart of the River Kinokawa
紀ノ川の汚染地図
1986
Diatom
紀ノ川の汚染地図
The diatom communities in the River Kinokawa, a less polluted river in Japan, were surveyed in summer 1985. In almost all stations, Homeothrix janthina was dominant in algal communities on river bed. In these communities, we can find Achnanthes japonica or Nitzschia frustulum var. perpusilla with high abundancy. The former occured usualy in upper stream, the latter in downstream. From the data of diatom flora in each sampling station, water quality was estimated by using Diatom Assemblage Index
doi:10.11464/diatom1985.2.0_117
fatcat:mdpubfo4prhfxjuvzsfnl6gw4y