Keywords organochlorine pollutant;DDT;Protosalanx hyalocranius;Coilia nasus;Salangichthys tangkahkeii;aquatic food web;ecological risk;

• 有机氯污染物;滴滴涕;大银鱼;陈氏短吻银鱼;刀鲚;水生食物网;生态风险;