摘要:对黄石市磁湖地表雨水径流污染进行了调查,研究了受纳水体中沉水植物菹草表面的附生藻的群落结构特征.结果显示,磁湖地表雨水径流中氨氮(NH3-N)和总磷(TP)的浓度远高于雨水;生活区地表雨水径流中氨氮(NH3-N)和化学需氧量(COD)的浓度大于绿地区域.与此同时,菹草表面附生藻共有60种,隶属于7门,34属.附生藻的平均生物量、附生密度分别为1.28×102mg/cm2、12.12×103cells/cm2.藻类ShannonWiener多样性指数值在2~3之间.
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