Cyanobacterium <I>Microcystis</I> Bloom in a Eutrophicated Regulating Reservoir
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概要
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The effect of the hydraulic turnover rate on dominance of the cyanobacterium <I>Microcystis </I>was examined using field data from the summer of 2001 for the Minami-shio Reservoir, a shallow eutrophic regulating reservoir in Japan, where the water outflow and storage volumes are measured hourly. A <I>Microcystis </I>bloom occurred in late summer when the daily hydraulic turnover rate decreased to 15%. The hydraulic turnover rate provided an index of nutrient supply rate, because the nutrient load was input mostly in the inflowing water and because the water body was well mixed. Field measurement results indicate that the low hydraulic turnover rate led to the <I>Microcystis </I>bloom.
- 独立行政法人 国際農林水産業研究センターの論文
著者
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Miyazaki Tatsuo
Marine Biosystems Research Center Chiba University
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YOSHINAGA IKUO
Department of Applied Bioscience, Graduate School of Agriculture, Kyoto University
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YOSHINAGA Ikuo
Department of Hydraulic Engineering, National Institute for Rural Engineering
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MIURA Asa
Department of Hydraulic Engineering, National Institute for Rural Engineering
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SHIRATANI Eisaku
Department of Hydraulic Engineering, National Institute for Rural Engineering
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HITOMI Tadayoshi
Department of Hydraulic Engineering, National Institute for Rural Engineering
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