Seasonal changes in the biomass of four species of <I>Microcystis</I> in Lake Kasumigaura
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概要
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Seasonal changes in the biomass of Microcystis species were investigated during 1982-1985 in Lake Kasumigaura, Japan. Microcystis in this lake was composed of four formas and species, i.e., <I>M. aeruginosa</I> f. <I>aeruginosa, M. aeruginosa</I> f. <I>flos-aquae, M. viridis</I> and <I>M. wesenbergii</I>. These taxa almost always appeared as a mixed population. The dominant species did not vary largely, station by station, but changed remarkably year by year. <I>M. aeruginosa</I> f. <I>aeruginosa</I> and <I>M. aeruginosa</I> f. <I>flos-aquae</I> tended to predominate in the early stage of the bloom or throughout the bloom, while <I>M. viridis</I> did so in the middle and late stages of the bloom. <I>M. wesenbergii</I> did not appear with a definite tendency. An over wintering population in the water was composed of <I>M. aeruginosa</I> f. <I>aeruginosa</I> and <I>M. viridis</I>. The importance of studies on <I>Microcystis</I> at the species level was discussed.
- 日本陸水学会の論文
日本陸水学会 | 論文
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