【摘要】 松花江底质中的多环芳烃含量远远高于江水,蚌体内也富集了较高倍数的多环芳烃,鲶鱼体内多环芳烃的含量大于食物链较低级层次的蚌。由于饮食结构的改变,通过食物链的富集进入禽蛋及人体的多环芳烃数量及含量是极少的,对人体健康暂不构成太大的威胁。更多还原

【Abstract】 The contents of PAHs in sediment of Songhua river are more higher than that in water.BCF of PAHs in the clam bodies is higher.The contents of PAHs in catfish are higher than that in clam.Owing to the change of dietary structure,they are too lower to constitute a threat to human health temporarily that the contents of PAHs entering duck’s eggs and human bodies by food chain.更多还原