Evaluation of the water quality of the Hakata River based on diatoms |
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| Authors: | Masami Sakai Mitsuyasu Kawakami Kei Amada |
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| Institution: | 1. Dept. of Biology, University of Saskatchewan, Saskatoon, SK S7N 5E2, Canada;2. Global Institute for Water Security, University of Saskatchewan, Saskatoon, SK S7N 3H5, Canada;3. Saskatchewan Water Security Agency, Saskatoon, SK S7N 3R3, Canada;4. Toxicology Center, University of Saskatchewan, Saskatoon, SK S7N 5B3, Canada;5. School of Environment and Sustainability, University of Saskatchewan, Saskatoon, SK S7N 5C3, Canada |
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| Abstract: | We investigated the epilithic diatom assemblage of samples collected from three sites of the Hakata River, Fukuoka, Japan, on November 26, 2008. Each taxon was photographed and identified. The 1747 diatom frustules collected were classified into 33 taxa belonging to 17 genera. Nitzschia fonticola was abundant at all sites. The DAIpo (the diatom assemblage index to organic water pollution) values for sites 1, 2, and 3 were 50.2, 44.1 and 48.0, respectively, indicating that the water quality of the Hakata River was at β-mesosaprobic level. |
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| Keywords: | water quality evaluation diatom assemblage Hakata River DAIpo (diatom assemblage index to organic water pollution) |
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