Abstract: Based on the monitoring data,the kind,population density and biomass of benthic animals in Panjin Section of the Liaohe River were investigated and analysed.

• 摘 要: 对辽河盘锦段底栖动物的种类、种群密度和生物量进行了调查和分析，并采用生物多样性指数法对水质进行了评价。