The heavy metal contaminations in surface sediments from Jinzhou Bay,Liaoning province was assessed by the SQGs(ERL/ERM) indices and the potential ecological risk assessment(Haknson) for the ecological risk in the area,and the SQGs indices were developed from a biological effects database for sediments for potential adverse biological impacts.The results showed that the assessment of the two methods were similar results,each evaluation method with own characteristics,and could be the evidence for each othe...