大型植物シャジクモが湖沼内の栄養塩の循環に与える影響<研究成果報告>

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This report describes about the effect of Charophytes on nutrient cycling, conducted in Lake Myall, Australia. Relationships between submerged plants biomass and gyttja layer thickness, decomposition characteristics of the four dominated species, mechanism of phosphorous accumulation by Chara, UV light effect on plant biomass are discussed. These results give that both Charophytes and gyttja may play a role of water quality stabilization. A possibility and condition of applying for Japanese lakes are suggested.