Oscillatoria sp, Lyngbya limnetica and Aphanizomenon flos-aquae took the absolute dominant in Cyanophyta.蓝藻以颤藻(Oscillatoria sp)、湖泊鞘丝藻(Lyngbya limnetica)、水华束丝藻(Aphanizomenon flos-aquae)占绝对优势；